Document:

Exhibit 10.1 

EMPLOYMENT AGREEMENT

                    AGREEMENT made as of October 23, 2006, between ZYGO CORPORATION, a Delaware corporation with an office at Laurel Brook Road, Middlefield, Connecticut 06455 (the “Company”), and JAMES R.
NORTHUP, residing at 15 Gray Rock Road, Southbury, Connecticut 06488 (the “Executive”). 

WITNESSETH

                    WHEREAS, the Company desires that Executive be employed to serve in a senior executive capacity with the Company, and Executive desires to be so employed by the Company upon the terms and conditions
herein set forth. 

                    NOW, THEREFORE, in consideration of the premises and of the mutual promises, representations and covenants herein contained, the parties hereto agree as follows: 

          1.       EMPLOYMENT

                    The Company hereby employs Executive and Executive hereby accepts such employment, subject to the terms and conditions herein set forth. Executive shall hold the office of Executive Vice President,
Corporate Business Development, reporting to the President and Chief Executive Officer of the Company.

          2.       TERM

                    The initial term of employment under this Agreement shall begin on the effective date of this Agreement (the “Employment Date”), and shall continue for a period of one year from that date,
subject to prior termination in accordance with the terms hereof. Thereafter, this Agreement shall automatically be renewed for successive one year terms, subject to prior termination in accordance with the terms hereof, unless either party shall
give the other thirty (30) days prior written notice of its or his intent not to renew this Agreement. The initial one-year term together with all such additional one-year period(s) of employment, if any, are collectively referred to herein as the
“term” of this Agreement. 

          3.       COMPENSATION

                    As compensation for the employment services to be rendered by Executive hereunder, the Company agrees to pay, or cause to be paid, to Executive, and Executive agrees to accept, payable in equal
installments in accordance with Company practice, an annual salary which shall in no event be less than $250,000, or such higher amount as the Board of Directors may determine from time to time. In addition, Executive shall be entitled to
additional contingent compensation from time to time in accordance with the terms of the Company’s Management Incentive Plan applicable to Executive (“MIP”), as the same may be amended from time to time by the Compensation Committee
of the Board. (The MIP could potentially be worth a maximum of forty percent (40%) of Executive’s base pay at target with an upside potential if all goals are achieved. This bonus is based upon the achievement of corporate and individual
goals

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established prior to the start of each fiscal year, which begins on July 1 of each year.) Notwithstanding the foregoing, for the fiscal year ending June 30, 2007, Executive shall be paid $75,000 in satisfaction of his MIP
award. 

          4.       EXPENSES

                    The Company shall pay or reimburse Executive, upon presentment of suitable vouchers, for all reasonable business and travel expenses which may be incurred or paid by Executive in connection with his
employment hereunder. Executive shall comply with such restrictions and shall keep such records as the Company may deem necessary to meet the requirements of the Internal Revenue Code of 1986, as amended from time to time, and regulations
promulgated thereunder. 

          5.       AUTOMOBILE

                    The Company shall, during the term of Executive’s employment hereunder, provide Executive with a monthly automobile allowance in the amount of $900 and a mileage reimbursement of $.10 per
mile for Company use of an automobile.  This car allowance is considered taxable income and therefore will have regular payroll taxes deducted. 

          6.       INSURANCE AND OTHER BENEFITS

                    Executive shall be entitled to such vacations and to participate in and receive any other benefits customarily provided by the Company (including, but not limited to, a 401(k) plan, an employee stock
purchase plan (sometimes referred to as the “Zygo Shares Plan”), a Section 125(c) pre-tax insurance premium and health/dependent care reimbursement program, profit sharing, pension, health insurance, dental coverage, life insurance,
AD&D, short and long-term disability, tuition reimbursement program, and travel accident insurance in accordance with the terms of such plans) and including stock option and/or stock purchase plans, all as determined from time to time by the
Board of Directors of the Company. Unused annual vacations may be carried over to the extent permitted by Company policy. 

          7.       STOCK OPTIONS; RESTRICTED STOCK

                    The Company and Executive will enter into an Non-Qualified Stock Option Agreement dated the Employment Date, providing for the purchase of 35,000 shares of ten (10) year stock options, at an exercise
price per share equal to the closing market price on the Employment Date, with 25% of the shares vesting at the end of each of the first four years. Executive may also receive additional options, from time to time, at the discretion of the
Compensation Committee of the Board. The form of Stock Option Agreement is attached hereto as Exhibit A. In addition, on the Employment Date, Executive will be awarded a restricted stock grant of 15,000 shares of the Company’s common stock,
which will vest at the rate of fifty percent (50%) on the third anniversary of the Employment Date and fifty percent (50%) on the fourth anniversary of the Employment Date, provided Executive is then still employed by the Company. 

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          8.       CHANGE IN CONTROL 

                    (a)           Definition. A “Change in Control” shall mean the occurrence of any of the following events: 

                 (i)           The
      Company is merged with or consolidated with another corporation in a transaction
      in which (x) the Company is not the surviving corporation, and (y) the
      Company’s stockholders immediately prior to such transaction do not
      own at least 70% of the outstanding voting securities of the surviving
      corporation immediately following the transaction; or 

                  (ii)          Any
      person or entity or affiliated group of persons or entities becomes the
      holder of more than 51% of the Company’s outstanding shares of Common
      Stock.

                    (b)           Payments.  If a Change in Control occurs during the term of the Executive’s Employment pursuant to
this Agreement then, if Executive resigns or is terminated for other than “justifiable cause” (as defined in Section 11(d) hereof) for any reason within ninety (90) days after the Change in Control, the Company shall (a) continue existing
health insurance, dental coverage, key man life insurance, AD&D and disability coverage in effect for Executive at the time of his resignation for a period of the lesser of one year or until covered by another plan, and (b) continue the
Executive’s salary for a one year period; provided, however that during the applicable period in which benefits are being paid by the Company, Executive agrees to maintain a consulting relationship with the Company which shall not interfere
with other obligations of the Executive. 

          9.       DUTIES 

                    (a)           Executive shall perform such duties and functions as the President and Chief Executive Officer and Board of Directors of the Company shall
from time to time determine and Executive shall comply in the performance of his duties with the policies of, and be subject to, the direction of the President and Chief Executive Officer and the Board of Directors. 

                    (b)           Executive agrees to devote substantially all his working time, attention and energies to the performance of the business of the Company and
of any of its subsidiaries by which he may be employed; and Executive shall not, directly or indirectly, alone or as a member of any partnership or other organization, or as an officer, director or employee of any other corporation, partnership or
other organization, be actively engaged in or concerned with any other duties or pursuits which interfere with the performance of his duties hereunder, or which, even if non-interfering, may be inimical, or contrary, to the best interests of the
Company, except those duties or pursuits specifically authorized by the Board of Directors. 

                    (c)           All fees, compensation or commissions for personal services (excluding existing fees, if any, that Executive is receiving from present
Board of Director positions) received by Executive during the term of this Agreement shall be paid to the Company when received by Executive, except those fees that the Board of Directors determines may be kept by Executive. Executive will obtain
the approval of the Board of Directors before accepting any 

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director positions. This provision shall not be construed to prevent Executive from investing or trading in non-conflicting investments as he sees fit for his own account, including real estate, stocks, bonds, securities,
commodities or other forms of investments. 

          10.      TERMINATION OF EMPLOYMENT; EFFECT OF TERMINATION 

                    (a)           Executive’s employment hereunder may be terminated at any time upon written notice from the Company to Executive, 

                 (i)           upon
      the determination by the Board of Directors that Executive’s performance
      of his duties has not been fully satisfactory for any reason which would
      not constitute ‘justifiable cause” (as hereinafter defined) upon
      five (5) days’ prior written notice to Executive. 

                    (b)           Executive’s employment shall terminate upon: 

                 (i)           the
      death of the Executive; 

                  (ii)          the “disability” of
      Executive (as hereinafter defined pursuant to subsection (c) herein); and 

                  (iii)         the
      determination by the Board of Directors that ‘justifiable cause” exists
      therefor.

                    (c)           For the purposes of this Agreement, the term “disability” shall mean the inability of Executive, due to illness, accident or any
other physical or mental incapacity, to perform the essential functions of his job, with or without a reasonable accommodation, for a period of three (3) consecutive months or for a total of six (6) months (whether or not consecutive) in any twelve
(12) month period during the term of this Agreement. 

                    (d)           For the purposes hereof, the term “justifiable cause” shall mean and be limited to: any willful breach by Executive of the
performance of any of his duties pursuant to this Agreement; Executive’s conviction (which, through lapse of time or otherwise, is not subject to appeal) of any crime or offense involving money or other property of the Company or its
subsidiaries or which constitutes a felony in the jurisdiction involved; Executive’s performance of any act or his failure to act, for which if he were prosecuted and convicted, a crime or offense involving money or property of the Company or
its subsidiaries, or which constitutes a felony in the jurisdiction involved, would have occurred; any disclosure by Executive to any person, firm or corporation other than the Company, its subsidiaries and its and their directors, officers and
employees, of any confidential information or trade secret of the Company or any of its subsidiaries; any attempt by Executive to secure any personal profit in connection with the business of the Company or any of its subsidiaries; and the engaging
by Executive in any business other than the business of the Company and its subsidiaries which interferes with the performance of his duties hereunder 

                    (e)           If Executive shall die during the term of his employment hereunder, this Agreement shall terminate immediately. In such event, the estate
of Executive shall thereupon be 

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entitled to receive such portion of Executive’s annual salary as has been accrued but remains unpaid through the date of his death. 

                    (f)           Upon Executive’s “disability”, the Company shall have the right to terminate Executive’s employment. Notwithstanding
any inability to perform his duties, Executive shall be entitled to receive his compensation as provided herein until the termination of his employment for disability. Any termination pursuant to this subsection (f) shall be effective on the date 30
days after which Executive shall have received written notice of the Company’s rightful election to terminate. 

                    (g)           Notwithstanding any provision to the contrary contained herein, in the event that Executive’s employment is terminated by the Company
at any time for any reason other than justifiable cause, disability or death, the Company shall (i) pay Executive’s salary (payable in such amount and in such manner as set forth in Section 3 herein) from and after the date of such termination
through a period ending one (1) year after the date of termination, which amount shall be in lieu of any and all other payments due and owing to Executive under the terms this Agreement (other than any payments contemplated by Sections 8(b) and
11(e), as applicable). 

                    (h)           Upon the termination of Executive’s employment hereunder for “justifiable cause,” this Agreement shall terminate
immediately. 

          11.      REPRESENTATIONS AND AGREEMENTS OF EXECUTIVE 

                    (a)           Executive represents and warrants that he is free to enter into this Agreement and to perform the duties required hereunder, and that there
are no employment contracts or understandings, restrictive covenants or other restrictions, whether written or oral, preventing the performance of his duties hereunder.  Executive agrees to execute the form of Non-Solicitation Agreement in the form
of Exhibit B hereto, and the Certifications concerning the Revised Statement of Company Policy Regarding Insider Information and Stock Trading by Company Personnel, a copy of which is annexed hereto as Exhibit C.  Executive further represents and
warrants that he will comply with the Zygo Code of Business Conduct and Ethics and that he is in full compliance with all existing agreements, if any, between himself and the Company. 

                    (b)           Executive agrees to submit to a medical examination and to cooperate and supply such other information and documents as may be required by
any insurance company in connection with the Company’s obtaining life insurance on the life of Executive, and any other type of insurance or fringe benefit as the Company shall determine from time to time to obtain. 

          12.      NON-COMPETITION 

                    (a)           Executive agrees that during his employment by the Company (which shall be deemed to include the period in which Executive is receiving any
severance payments set forth in Section 10(g) hereto), and for a period of one (1) year after the termination of Executive’s employment hereunder (or, if applicable, after the final severance payment) (the “Non-Competitive Period”),
Executive shall not, directly or indirectly, as owner, partner, joint venturer, stockholder, employee, broker, agent, principal, trustee, corporate officer, director, 

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licensor, or in any capacity whatsoever engage in, become financially interested in, be employed by, render any consultation or business advice with respect to, or have any connection with, any business engaged in the research,
development, testing, design, manufacture, sale, lease, marketing, utilization or exploitation of any products or services which are designed for the same purpose as, are similar to, or are otherwise competitive with, products or services of the
Company or any of its subsidiaries, in any geographic area where, at the time of the termination of his employment hereunder, the business of the Company or any of its subsidiaries was being conducted or was proposed to be conducted in any manner
whatsoever; provided, however, that Executive may own any securities of any corporation which is engaged in such business and is publicly owned and traded but in an amount not to exceed at any one time one percent (1%) of any class of stock or
securities of such corporation. In addition, Executive shall not, directly or indirectly, during the Non-Competitive Period, request or cause contracting parties, suppliers or customers with whom the Company or any of its subsidiaries has a business
relationship to cancel or terminate any such business relationship with the Company or any of its subsidiaries or solicit, interfere with or entice from the Company any employee (or former employee) of the Company. 

                    (b)           Executive acknowledges that the Company conducts business on a worldwide basis, that its sales and marketing prospects are for continued
expansion into world markets and that, therefore, the territorial and time limitations set forth in this Section 12 are reasonable and properly required for the adequate protection of the business of the Company and its subsidiaries. In the event
any such territorial or time limitation is deemed to be unreasonable by a court of competent jurisdiction, Executive agrees to the reduction of the territorial or time limitation to the area or period which such court deems reasonable. 

                    (c)           If any portion of the restrictions set forth in this Section 12 should, for any reason whatsoever, be declared invalid by a court of
competent jurisdiction, the validity or enforceability of the remainder of such restrictions shall not thereby be adversely affected. 

          13.      NON-DISCLOSURE AND INVENTIONS

                     AND DISCOVERIES AGREEMENT

                    Executive will execute the form of Zygo Corporation Non-Disclosure and Assignment of Inventions Agreement USA” in the form of Exhibit D hereto. 

          14.      RIGHT TO INJUNCTION 

                    Executive recognizes that the services to be rendered by him hereunder are of a special, unique, unusual, extraordinary and intellectual character involving skill of the highest order and giving them
peculiar value the loss of which cannot be adequately compensated for in damages. In the event of a breach of this Agreement by Executive, the Company shall be entitled to injunctive relief or any other legal or equitable remedies. Executive agrees
that the Company may recover by appropriate action the amount of the actual damage caused the Company by any failure, refusal or neglect of Executive to perform his agreements, representations and warranties herein contained. The remedies provided
in this Agreement shall be deemed cumulative and the exercise of one shall not preclude the exercise of any other remedy at law or in equity for the same event or any other event. 

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          15.      AMENDMENT OR ALTERATION

                    No amendment or alteration of the terms of this Agreement shall be valid unless made in writing and signed by both of the parties hereto. 

          16.      GOVERNING LAW

                    This Agreement shall be governed by the laws of the State of Connecticut applicable to agreements made and to be performed therein. 

          17.      SEVERABILITY

                    The holding of any provision of this Agreement to be invalid or unenforceable by a court of competent jurisdiction shall not affect any other provision of this Agreement, which shall remain in full
force and effect. 

          18.      NOTICES

                    Any notices required or permitted to be given hereunder shall be sufficient if in writing, and if delivered by hand, or sent by certified mail, return receipt requested, to the addresses set forth
above or such other address as either party may from time to time designate in writing to the other, and shall be deemed given as of the date of the delivery or mailing. 

          19.      WAIVER OR BREACH

                    It is agreed that a waiver by either party of a breach of any provision of this Agreement shall not operate, or be construed, as a waiver of any subsequent breach by that same party. 

          20.      ENTIRE AGREEMENT AND BINDING EFFECT

                    This Agreement contains the entire agreement of the parties with respect to the subject matter hereof and shall be binding upon and inure to the benefit of the parties hereto and their respective
legal representatives, heirs, distributors, successors and assigns. Notwithstanding the foregoing, all prior agreements, if any, between Executive and the Company relating to the confidentiality of information, trade secrets and patents shall not be
affected by this Agreement. 

          21.      SURVIVAL

                    The termination of Executive’s employment hereunder shall not affect the enforceability of Sections 7, 8, 10, 12, 13 and 14 hereof. 

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          22.      FURTHER ASSURANCES

                    The parties agree to execute and deliver all such further documents, agreements and instruments and take such other and further action as may be necessary or appropriate to carry out the purposes and
intent of this Agreement. 

          23.      HEADINGS

                    The section headings appearing in this Agreement are for the purposes of easy reference and shall not be considered a part of this Agreement or in any way modify, demand or affect its provisions.

                    IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date and year first above written. 

	 	
ZYGO CORPORATION 
  
	 	 

  
	 	
By: /s/ J. Bruce Robinson 
  
	 	
J. Bruce Robinson, President and Chief 
  
	 	
Executive Officer 
  
	 	 

  
	 	 

  
	 	
EXECUTIVE: 
  
	 	 

  
	 	 

  
	 	 

  
	 	
By: /s/ James R. Northup 
  
	 	
James R. Northup 
  

- 8 -Exhibit 10.2 

EMPLOYMENT AGREEMENT

                    AGREEMENT made as of November 20, 2006, between ZYGO CORPORATION, a Delaware corporation with an office at Laurel Brook Road, Middlefield, Connecticut 06455 (the “Company”), and JOHN M.
STACK, residing at 53 Sheffield Drive, Columbus, New Jersey 08222 (the “Executive”). 

WITNESSETH

                    WHEREAS, the Company desires that Executive be employed to serve in a senior executive capacity with the Company, and Executive desires to be so employed by the Company upon the terms and conditions
herein set forth. 

                    NOW, THEREFORE, in consideration of the premises and of the mutual promises, representations and covenants herein contained, the parties hereto agree as follows: 

          1.       EMPLOYMENT

                    The Company hereby employs Executive and Executive hereby accepts such employment, subject to the terms and conditions herein set forth. Executive shall hold the office of President, Optics Business
Unit, reporting to the President and Chief Executive Officer of the Company.

          2.       TERM

                    The initial term of employment under this Agreement shall begin on the effective date of this Agreement (the “Employment Date”), and shall continue for a period of one year from that date,
subject to prior termination in accordance with the terms hereof. Thereafter, this Agreement shall automatically be renewed for successive one year terms, subject to prior termination in accordance with the terms hereof, unless either party shall
give the other thirty (30) days prior written notice of its or his intent not to renew this Agreement. The initial one-year term together with all such additional one-year period(s) of employment, if any, are collectively referred to herein as the
“term” of this Agreement. 

          3.       COMPENSATION

                    As compensation for the employment services to be rendered by Executive hereunder, the Company agrees to pay, or cause to be paid, to Executive, and Executive agrees to accept, payable in equal
installments in accordance with Company practice, an annual salary which shall in no event be less than $225,000, or such higher amount as the Board of Directors may determine from time to time. In addition, Executive shall be entitled to
additional contingent compensation from time to time in accordance with the terms of the Company’s Management Incentive Plan applicable to Executive (“MIP”), as the same may be amended from time to time by the Compensation Committee
of the Board. (The MIP could potentially be worth a maximum of forty percent (40%) of Executive’s base pay at target with an upside potential if all goals are achieved.  This bonus is based upon the achievement of corporate and individual
goals

- 1 -

established prior to the start of each fiscal year, which begins on July 1 of each year. Executive’s participation in the MIP for the 2007 fiscal year will be prorated based on his start date with the Company.) 

          4.       EXPENSES

                    The Company shall pay or reimburse Executive, upon presentment of suitable vouchers, for all reasonable business and travel expenses which may be incurred or paid by Executive in connection with his
employment hereunder. Executive shall comply with such restrictions and shall keep such records as the Company may deem necessary to meet the requirements of the Internal Revenue Code of 1986, as amended from time to time, and regulations
promulgated thereunder. 

          5.       AUTOMOBILE

                    The Company shall, during the term of Executive’s employment hereunder, provide Executive with a monthly automobile allowance in the amount of $900 and a mileage reimbursement of $.10 per
mile for Company use of an automobile.  This car allowance is considered taxable income and therefore will have regular payroll taxes deducted. 

          6.       INSURANCE AND OTHER BENEFITS

                    Executive shall be entitled to such vacations and to participate in and receive any other benefits customarily provided by the Company (including, but not limited to, a 401(k) plan, an employee stock
purchase plan (sometimes referred to as the “Zygo Shares Plan”), a Section 125(c) pre-tax insurance premium and health/dependent care reimbursement program, profit sharing, pension, health insurance, dental coverage, life insurance,
AD&D, short and long-term disability, tuition reimbursement program, and travel accident insurance in accordance with the terms of such plans) and including stock option and/or stock purchase plans, all as determined from time to time by the
Board of Directors of the Company. Unused annual vacations may be carried over to the extent permitted by Company policy. 

          7.       STOCK OPTIONS; RESTRICTED STOCK

                    The Company and Executive will enter into an Non-Qualified Stock Option Agreement dated the Employment Date, providing for the purchase of 15,000 shares of ten (10) year stock options, at an exercise
price per share equal to the closing market price on the Employment Date, with 25% of the shares vesting at the end of each of the first four years. Executive may also receive additional options, from time to time, at the discretion of the
Compensation Committee of the Board. The form of Stock Option Agreement is attached hereto as Exhibit A. In addition, on the Employment Date, Executive will be awarded a restricted stock grant of 10,000 shares of the Company’s common stock,
which will vest at the rate of fifty percent (50%) on the third anniversary of the Employment Date and fifty percent (50%) on the fourth anniversary of the Employment Date, provided Executive is then still employed by the Company. 

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          8.       RELOCATION SUPPORT 

                    (a)           Executive shall receive reimbursement for (i) temporary living expenses in an amount not to exceed $25,000 (which amount will be “grossed up” to cover federal and state taxes,
assuming a 25% tax rate, in the aggregate) to cover accommodations, food, car rental and other expenses for temporary living purposes only; (ii) closing cost expenses (including mortgage points), not to exceed $10,000, for the purchase of a home
in Connecticut; and (iii) realtor commission fees, up to six percent (6%) of the sales price on Executive’s current primary residence, in an amount not to exceed $50,000.  The Company will also assist Executive in connection with
Executive’s physical relocation to the Middlefield, Connecticut area by providing a designated professional mover to pack, move and unpack Executive’s regular household goods and, if necessary, by providing Executive with up to three
months of storage and coverage for the move out of storage for Executive’s household items.  The moving and storage costs will be billed directly to the Company. 

                    (b)           Reimbursement may be obtained by Executive by submitting, to the Company’s Human Resources Department, appropriate documentation or receipts with respect to the temporary living expenses and
appropriate closing documentation with respect to closing cost expenses and realtor commission fees. Reimbursement is subject to applicable federal, state and FICA tax, which will be withheld from Executive’s reimbursement check. 

                    (c)           The relocation benefits set forth in this paragraph 8 are available for up to 12 months following the Employment Date. In the event that Executive leaves his employment voluntarily, or is
terminated for cause pursuant to Section 11 hereof, Executive shall be required to repay any relocation benefits received under this Section 8. 

          9.       CHANGE IN CONTROL 

                    (a)           Definition. A “Change in Control” shall mean the occurrence of any of the following events: 

                 (i)           The
      Company is merged with or consolidated with another corporation in a transaction
      in which (x) the Company is not the surviving corporation, and (y) the
      Company’s stockholders immediately prior to such transaction do not
      own at least 70% of the outstanding voting securities of the surviving
      corporation immediately following the transaction; or 

                  (ii)          Any
      person or entity or affiliated group of persons or entities becomes the
      holder of more than 51% of the Company’s outstanding shares of Common
      Stock.

                    (b)           Payments.  If a Change in Control occurs during the term of the Executive’s Employment pursuant to
this Agreement then, if Executive resigns or is terminated for other than “justifiable cause” (as defined in Section 11(d) hereof) for any reason within ninety (90) days after the Change in Control, the Company shall (a) continue existing
health insurance, dental coverage, key man life insurance, AD&D and disability coverage in effect for Executive at the time of his resignation for a period of the lesser of one year or until covered by another plan, and (b) continue the
Executive’s salary for a six (6) month period; provided, 

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however that during the applicable period in which benefits are being paid by the Company, Executive agrees to maintain a consulting relationship with the Company which shall not interfere with other obligations of the Executive.

          10.      DUTIES 

                    (a)           Executive shall perform such duties and functions as the President and Chief Executive Officer and Board of Directors of the Company shall
from time to time determine and Executive shall comply in the performance of his duties with the policies of, and be subject to, the direction of the President and Chief Executive Officer and the Board of Directors. 

                    (b)           Executive agrees to devote substantially all his working time, attention and energies to the performance of the business of the Company and
of any of its subsidiaries by which he may be employed; and Executive shall not, directly or indirectly, alone or as a member of any partnership or other organization, or as an officer, director or employee of any other corporation, partnership or
other organization, be actively engaged in or concerned with any other duties or pursuits which interfere with the performance of his duties hereunder, or which, even if non-interfering, may be inimical, or contrary, to the best interests of the
Company, except those duties or pursuits specifically authorized by the Board of Directors. 

                    (c)           All fees, compensation or commissions for personal services (excluding existing fees, if any, that Executive is receiving from present
Board of Director positions) received by Executive during the term of this Agreement shall be paid to the Company when received by Executive, except those fees that the Board of Directors determines may be kept by Executive. Executive will obtain
the approval of the Board of Directors before accepting any director positions. This provision shall not be construed to prevent Executive from investing or trading in non-conflicting investments as he sees fit for his own account, including real
estate, stocks, bonds, securities, commodities or other forms of investments. 

          11.      TERMINATION OF EMPLOYMENT; EFFECT OF TERMINATION 

                    (a)           Executive’s employment hereunder may be terminated at any time upon written notice from the Company to Executive, 

                 (i)           upon
      the determination by the Board of Directors that Executive’s performance
      of his duties has not been fully satisfactory for any reason which would
      not constitute ‘justifiable cause” (as hereinafter defined) upon
      five (5) days’ prior written notice to Executive. 

                    (b)           Executive’s employment shall terminate upon: 

                 (i)           the
      death of the Executive; 

                  (ii)          the “disability” of
      Executive (as hereinafter defined pursuant to subsection (c) herein); and

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                 (iii)         the
      determination by the Board of Directors that “justifiable cause” exists
      therefor.

                    (c)           For the purposes of this Agreement, the term “disability” shall mean the inability of Executive, due to illness, accident or any
other physical or mental incapacity, to perform the essential functions of his job, with or without a reasonable accommodation, for a period of three (3) consecutive months or for a total of six (6) months (whether or not consecutive) in any twelve
(12) month period during the term of this Agreement. 

                    (d)           For the purposes hereof, the term “justifiable cause” shall mean and be limited to: any willful breach by Executive of the
performance of any of his duties pursuant to this Agreement; Executive’s conviction (which, through lapse of time or otherwise, is not subject to appeal) of any crime or offense involving money or other property of the Company or its
subsidiaries or which constitutes a felony in the jurisdiction involved; Executive’s performance of any act or his failure to act, for which if he were prosecuted and convicted, a crime or offense involving money or property of the Company or
its subsidiaries, or which constitutes a felony in the jurisdiction involved, would have occurred; any disclosure by Executive to any person, firm or corporation other than the Company, its subsidiaries and its and their directors, officers and
employees, of any confidential information or trade secret of the Company or any of its subsidiaries; any attempt by Executive to secure any personal profit in connection with the business of the Company or any of its subsidiaries; and the engaging
by Executive in any business other than the business of the Company and its subsidiaries which interferes with the performance of his duties hereunder. 

                    (e)           If Executive shall die during the term of his employment hereunder, this Agreement shall terminate immediately. In such event, the estate
of Executive shall thereupon be entitled to receive such portion of Executive’s annual salary as has been accrued but remains unpaid through the date of his death. 

                    (f)           Upon Executive’s “disability”, the Company shall have the right to terminate Executive’s employment. Notwithstanding
any inability to perform his duties, Executive shall be entitled to receive his compensation as provided herein until the termination of his employment for disability. Any termination pursuant to this subsection (f) shall be effective on the date 30
days after which Executive shall have received written notice of the Company’s rightful election to terminate. 

                    (g)           Notwithstanding any provision to the contrary contained herein, in the event that Executive’s employment is terminated by the Company
at any time for any reason other than justifiable cause, disability or death, the Company shall (i) pay Executive’s salary (payable in such amount and in such manner as set forth in Section 3 herein) from and after the date of such termination
through a period ending six (6) months after the date of termination, which amount shall be in lieu of any and all other payments due and owing to Executive under the terms this Agreement (other than any payments contemplated by Sections 8(b) and
11(e), as applicable). 

                    (h)           Upon the termination of Executive’s employment hereunder for “justifiable cause,” this Agreement shall terminate
immediately. 

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          12.      REPRESENTATIONS AND AGREEMENTS OF EXECUTIVE 

                    (a)           Executive represents and warrants that he is free to enter into this Agreement and to perform the duties required hereunder, and that there
are no employment contracts or understandings, restrictive covenants or other restrictions, whether written or oral, preventing the performance of his duties hereunder.  Executive agrees to execute the form of Non-Solicitation Agreement in the form
of Exhibit B hereto, and the Certifications concerning the Revised Statement of Company Policy Regarding Insider Information and Stock Trading by Company Personnel, a copy of which is annexed hereto as Exhibit C.  Executive further represents and
warrants that he will comply with the Zygo Code of Business Conduct and Ethics and that he is in full compliance with all existing agreements, if any, between himself and the Company. 

                    (b)           Executive agrees to submit to a medical examination and to cooperate and supply such other information and documents as may be required by
any insurance company in connection with the Company’s obtaining life insurance on the life of Executive, and any other type of insurance or fringe benefit as the Company shall determine from time to time to obtain. 

          13.      NON-COMPETITION 

                    (a)           Executive agrees that during his employment by the Company (which shall be deemed to include the period in which Executive is receiving any
severance payments set forth in Section 11(g) hereto), and for a period of one (1) year after the termination of Executive’s employment hereunder (or, if applicable, after the final severance payment) (the “Non-Competitive Period”),
Executive shall not, directly or indirectly, as owner, partner, joint venturer, stockholder, employee, broker, agent, principal, trustee, corporate officer, director, licensor, or in any capacity whatsoever engage in, become financially interested
in, be employed by, render any consultation or business advice with respect to, or have any connection with, any business engaged in the research, development, testing, design, manufacture, sale, lease, marketing, utilization or exploitation of any
products or services which are designed for the same purpose as, are similar to, or are otherwise competitive with, products or services of the Company or any of its subsidiaries, in any geographic area where, at the time of the termination of his
employment hereunder, the business of the Company or any of its subsidiaries was being conducted or was proposed to be conducted in any manner whatsoever; provided, however, that Executive may own any securities of any corporation which is engaged
in such business and is publicly owned and traded but in an amount not to exceed at any one time one percent (1%) of any class of stock or securities of such corporation. In addition, Executive shall not, directly or indirectly, during the
Non-Competitive Period, request or cause contracting parties, suppliers or customers with whom the Company or any of its subsidiaries has a business relationship to cancel or terminate any such business relationship with the Company or any of its
subsidiaries or solicit, interfere with or entice from the Company any employee (or former employee) of the Company. 

                    (b)           Executive acknowledges that the Company conducts business on a worldwide basis, that its sales and marketing prospects are for continued
expansion into world markets and that, therefore, the territorial and time limitations set forth in this Section 13 are reasonable and properly required for the adequate protection of the business of the Company and its 

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subsidiaries. In the event any such territorial or time limitation is deemed to be unreasonable by a court of competent jurisdiction, Executive agrees to the reduction of the territorial or time limitation to the area or period
which such court deems reasonable. 

                    (c)           If any portion of the restrictions set forth in this Section 13 should, for any reason whatsoever, be declared invalid by a court of
competent jurisdiction, the validity or enforceability of the remainder of such restrictions shall not thereby be adversely affected. 

          14.      NON-DISCLOSURE AND INVENTIONS  

                     AND
DISCOVERIES AGREEMENT

                    Executive will execute the form of Zygo Corporation Non-Disclosure and Assignment of Inventions Agreement USA” in the form of Exhibit D hereto. 

          15.      RIGHT TO INJUNCTION 

                    Executive recognizes that the services to be rendered by him hereunder are of a special, unique, unusual, extraordinary and intellectual character involving skill of the highest order and giving them
peculiar value the loss of which cannot be adequately compensated for in damages. In the event of a breach of this Agreement by Executive, the Company shall be entitled to injunctive relief or any other legal or equitable remedies. Executive agrees
that the Company may recover by appropriate action the amount of the actual damage caused the Company by any failure, refusal or neglect of Executive to perform his agreements, representations and warranties herein contained. The remedies provided
in this Agreement shall be deemed cumulative and the exercise of one shall not preclude the exercise of any other remedy at law or in equity for the same event or any other event. 

          16.      AMENDMENT OR ALTERATION 

                    No amendment or alteration of the terms of this Agreement shall be valid unless made in writing and signed by both of the parties hereto. 

          17.      GOVERNING LAW 

                    This Agreement shall be governed by the laws of the State of Connecticut applicable to agreements made and to be performed therein. 

          18.      SEVERABILITY 

                    The holding of any provision of this Agreement to be invalid or unenforceable by a court of competent jurisdiction shall not affect any other provision of this Agreement, which shall remain in full
force and effect. 

 - 7 - 

          19.      NOTICES

                    Any notices required or permitted to be given hereunder shall be sufficient if in writing, and if delivered by hand, or sent by certified mail, return receipt requested, to the addresses set forth
above or such other address as either party may from time to time designate in writing to the other, and shall be deemed given as of the date of the delivery or mailing. 

          20.      WAIVER OR BREACH

                    It is agreed that a waiver by either party of a breach of any provision of this Agreement shall not operate, or be construed, as a waiver of any subsequent breach by that same party. 

          21.      ENTIRE AGREEMENT AND BINDING EFFECT

                    This Agreement contains the entire agreement of the parties with respect to the subject matter hereof and shall be binding upon and inure to the benefit of the parties hereto and their respective
legal representatives, heirs, distributors, successors and assigns. Notwithstanding the foregoing, all prior agreements, if any, between Executive and the Company relating to the confidentiality of information, trade secrets and patents shall not be
affected by this Agreement. 

          22.      SURVIVAL

                    The termination of Executive’s employment hereunder shall not affect the enforceability of Sections 7, 8, 9, 11, 13, 14 and 15 hereof. 

          23.      FURTHER ASSURANCES

                    The parties agree to execute and deliver all such further documents, agreements and instruments and take such other and further action as may be necessary or appropriate to carry out the purposes and
intent of this Agreement. 

          24.      HEADINGS

                    The section headings appearing in this Agreement are for the purposes of easy reference and shall not be considered a part of this Agreement or in any way modify, demand or affect its provisions.

- 8 -

                    IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date and year first above written. 

	 	
ZYGO CORPORATION 
  
	 	 

  
	 	
By: /s/ J. Bruce Robinson 
  
	 	
J. Bruce Robinson, President and Chief 
  
	 	
Executive Officer 
  
	 	 

  
	 	 

  
	 	
EXECUTIVE: 
  
	 	 

  
	 	 

  
	 	 

  
	 	
/s/ John M. Stack 
  
	 	
John M. Stack 
  

- 9 -

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