Exhibit 10.1
 
CHANGE OF CONTROL AND SEVERANCE AGREEMENT
 
     THIS CHANGE OF CONTROL SEVERANCE AGREEMENT (this “Agreement”), is entered
into as of this 25th day of April, 2011, between Amtech Systems, Inc., an
Arizona corporation (the “Company”), with offices at 131 South Clark Drive,
Tempe, Arizona, and Jeong Mo Hwang, Ph.D. (the “Executive”).
 
W I T N E S S E T H:
 
     WHEREAS, the Board of Directors of the Company (the “Board”) has appointed
the Executive to the position of Vice President and Chief Technology Officer;
 
     WHEREAS, the Board and the Executive desire to enter into this Agreement
and the Board has approved entry into this Agreement.
 
     NOW THEREFORE, in consideration of the mutual agreements, provisions and
covenants contained herein, and intending to be legally bound hereby, the
Company and the Executive do hereby agree as follows:
 
     1. Definitions.
 
     (a) “Additional Terms” shall have the meaning set forth in Section 5 of
this Agreement.
 
     (b) “Board” shall have the meaning set forth in the recitals to this
Agreement.
 
     (c) “Business Combination” shall have the meaning set forth in Section
2(b)(iii) of this Agreement.
 
     (d) “Cause” shall mean (i) the Executive’s willful, repeated or negligent
failure to perform his duties to the Company and to comply with any reasonable
or proper direction given by or on behalf of the Company’s Board of Directors
and the continuation of such failure following twenty (20) days written notice
to such effect, (ii) the Executive being guilty of serious misconduct on the
Company’s premises or elsewhere, whether during the performance of his duties or
not, which is reasonably likely to cause material damage to the reputation of
the Company or render it materially more difficult for the Executive to
satisfactorily continue to perform his duties and the continuation or a second
instance of such serious misconduct following twenty (20) days written notice to
such effect; (iii) the Executive being found guilty in a criminal court of any
offense of a nature which is reasonably likely to materially adversely affect
the reputation of the Company or to materially prejudice its interests if the
Executive were to continue to be employed by the Company; (iv) the Executive’s
commission of any act of fraud or theft involving the Company or its business,
or any intentional tort against the Company; or (v) the Executive’s violation of
any of the material terms, covenants, representations or warranties contained in
this Agreement and failure to correct such violation within twenty (20) days
after written notice by the Company. Notwithstanding the foregoing, “Cause”
shall only be deemed to exist if it is so determined by a resolution duly
adopted by the Board of Directors of the Company, at a duly noticed meeting at
which the Executive and his counsel are first given the opportunity to address
the Board with respect to such determination.
 

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     (e) “Change of Control” shall have the meaning set forth in Section 2(b) of
this Agreement.
 
     (f) “Company” shall have the meaning set forth in the preamble to this
Agreement.
 
     (g) “Disability” shall mean that the Executive, in the good faith
determination of the Board of Directors of the Company, based on the advice of a
qualified physician after a proper examination of the Executive, is unable to
render services of the character necessary to perform his duties to the Company
and that such inability (i) may be expected to be permanent, or (ii) may be
expected to continue for a period of at least six (6) consecutive months (or for
shorter periods totaling more than six (6) months during any period of twelve
(12) consecutive months). Termination resulting from Disability may only be
effected after at least thirty (30) days written notice by the Company of its
intention to terminate the Executive’s employment.
 
     (h) “Effective Date” shall mean the date of this Agreement.
 
     (i) “Exchange Act” shall mean the Securities Exchange Act of 1934, as
amended.
 
     (j) “Executive” shall have the meaning set forth in the preamble to this
Agreement.
 
     (k) “Good Reason” shall mean (i) the Company’s failure to elect or reelect,
or to appoint or reappoint, the Executive to the offices of Vice President and
Chief Technology Officer of the Company; (ii) material changes by the Company in
the Executive’s function, duties or responsibilities (including reporting
responsibilities) of a scope less than that associated with the positions of
Vice President and Chief Technology Officer of the Company; (iii) Executive’s
base salary is reduced by the Company below the highest base salary of Executive
in effect during the term of his Employment; (iv) relocation of Executive’s
principal place of employment to a place that is not within a radius of
twenty-five (25) miles of his primary residence; (v) failure by the Company to
obtain the assumption of this Agreement by any successor or assign of the
Company; or (vi) material breach of this Agreement by the Company, which breach
is not cured within five (5) days after written notice thereof is delivered to
the Company.
 
     (l) “Incentive Compensation” shall mean any annual cash bonuses, as
determined in accordance with any annual bonus plan adopted by the Company’s
Compensation Committee, to which the Executive is entitled for each fiscal year
during his term of employment.
 
     (m) “Incumbent Board” shall have the meaning set forth in Section 2(b)(ii)
of this Agreement.
 
     (n) “Initial Term” shall have the meaning set forth in Section 5 of this
Agreement.
 
     (o) “Outstanding Capital Stock” shall have the meaning set forth in Section
2(b)(i) of this Agreement.
 

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     (p) “Pending Change of Control” shall have the meaning set forth in Section
2(c) of this Agreement.
 
     (q) “Person” shall have the meaning set forth in Section 2(b)(i) of this
Agreement.
 
     (r) “Term” shall have the meaning set forth in Section 5 of this Agreement.
 
     (s) “Termination Date” means the date the Executive ceases work, which
cessation of work is a “separation from service” within the meaning of Section
409A.
 
     (t) “Voting Securities” shall have the meaning set forth in Section 2(b)(i)
of this Agreement.
 
2. Severance Provisions After Change of Control.
 
     (a) In the event that Executive’s employment with the Company is terminated
(other than as a consequence of death or Disability) either (x) by the Company
for any reason other than for Cause during a Pending Change of Control or within
one year following the occurrence of a Change of Control, or (y) by Executive
for Good Reason within one year following the occurrence of a Change of Control,
then Executive shall be entitled to receive from the Company the following:
 

           i)       a cash lump sum equal to an amount equal to one (1) year of
Executive’s base salary in effect on the Termination Date;       ii)   a cash
lump sum equal to the amount of accrued but unpaid Incentive Compensation earned
by the Executive, which amount shall be prorated for the year in which the
termination occurs and shall be calculated through the end of the last full
month prior to the Termination Date with a proportionate adjustment to all caps
and floors, if any, based upon the portion of the fiscal year worked prior to
the termination of Executive’s employment; and       iii)   full vesting of all
outstanding stock options and restricted stock grants held by Executive.

     The Company shall make termination payments required by Section 2(a)(i)
within ten (10) days of the Termination Date, and payments required by Section
2(a)(ii) within thirty (30) days of the Termination Date; provided, however, if
such ten (10) day or thirty (30) day period begins in one calendar year and ends
in another, Executive will not have the right to specify the calendar year of
payment. All payments to be made to the Executive upon a termination of
employment may only be made upon a “separation from service” (within the meaning
of Section 409A) of the Executive. For purposes of Section 409A, (i) each
payment made under this Agreement shall be treated as a separate payment; (ii)
the Executive may not, directly or indirectly, designate the calendar year of
payment; and (iii) no acceleration of the time and form of payment of any
nonqualified deferred compensation to the Executive or any portion thereof,
shall be permitted.
 

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     (b) For purposes of this Agreement, the term “Change of Control” shall
mean:
 
     (i) The acquisition, other than from the Company, by any individual, entity
or group (within the meaning of Rule 13d-3 promulgated under the Exchange Act or
any successor provision) (any of the foregoing described in this Section 2(b)(i)
hereafter a “Person”) of 20% or more of either (a) the then outstanding shares
of Capital Stock of the Company (the “Outstanding Capital Stock”) or (b) the
combined voting power of the then outstanding voting securities of the Company
entitled to vote generally in the election of directors (the “Voting
Securities”); provided, however, that any acquisition by (x) the Company or any
of its subsidiaries, or any employee benefit plan (or related trust) sponsored
or maintained by the Company or any of its subsidiaries or (y) any Person that
is eligible, pursuant to Rule 13d-1(b) under the Exchange Act, to file a
statement on Schedule 13G with respect to its beneficial ownership of Voting
Securities, whether or not such Person shall have filed a statement on Schedule
13G, unless such Person shall have filed a statement on Schedule 13D with
respect to beneficial ownership of 35% or more of the Voting Securities or (z)
any corporation with respect to which, following such acquisition, more than 60%
respectively, of the then outstanding shares of common stock of such corporation
and the combined voting power of the then outstanding voting securities of such
corporation entitled to vote generally in the election of directors is then
beneficially owned, directly or indirectly, by all or substantially all of the
individuals and entities who were the beneficial owners, respectively, of the
Outstanding Capital Stock and Voting Securities immediately prior to such
acquisition in substantially the same proportion as their ownership, immediately
prior to such acquisition, of the Outstanding Capital Stock and Voting
Securities, as the case may be, shall not constitute a Change of Control; or
 
     (ii) Individuals who, as of the Effective Date, constitute the Board (the
“Incumbent Board”) cease for any reason to constitute at least a majority of the
Board, provided that any individual becoming a director subsequent to the date
hereof whose election or nomination for election by the Company’s shareholders,
was approved by a vote of at least a majority of the directors then comprising
the Incumbent Board shall be considered as though such individual were a member
of the Incumbent Board, but excluding, for this purpose, any such individual
whose initial assumption of office is in connection with an actual or threatened
election contest relating to the election of the Directors of the Company (as
such terms are used in Rule 14a-11 of Regulation 14A, or any successor section,
promulgated under the Exchange Act); or
 
     (iii) Approval by the shareholders of the Company of a reorganization,
merger or consolidation (a “Business Combination”), in each case, with respect
to which all or substantially all holders of the Outstanding Capital Stock and
Voting Securities immediately prior to such Business Combination do not,
following such Business Combination, beneficially own, directly or indirectly,
more than 60% of, respectively, the then outstanding shares of common stock and
the combined voting power of the then outstanding voting securities entitled to
vote generally in the election of directors, as the case may be, of the
corporation resulting from the Business Combination; or
 
     (iv) (a) a complete liquidation or dissolution of the Company or (b) a sale
or other disposition of all or substantially all of the assets of the Company
other than to a corporation with respect to which, following such sale or
disposition, more than 60% of respectively, the then outstanding shares of
common stock and the combined voting power of the then outstanding voting
securities entitled to vote generally in the election of directors is then owned
beneficially, directly or indirectly, by all or substantially all of the
individuals and entities who were the beneficial owners, respectively, of the
Outstanding Capital Stock and Voting Securities immediately prior to such sale
or disposition in substantially the same proportion as their ownership of the
Outstanding Capital Stock and Voting Securities, as the case may be, immediately
prior to such sale or disposition; or
 

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     (v) The first purchase under a tender offer or exchange offer for 20% or
more of the outstanding shares of stock (or securities convertible into stock)
of the Company, other than an offer by the Company or any of its subsidiaries or
any employee benefit plan sponsored by the Company or any of its subsidiaries.
 
     (c) For purposes of this Agreement, the term “Pending Change of Control”
shall mean the occurrence of one of the following events as the result of which
a Change of Control pursuant thereto is reasonably expected to occur within
ninety (90) days after the date of determination as to whether there is a
Pending Change of Control: (i) the Company executes a letter of intent, term
sheet or similar instrument with respect to a transaction or series of
transactions, the consummation of which would result in a Change of Control;
(ii) the Board approves a transaction or series of transactions, the
consummation of which would result in a Change of Control; (iii) a Person makes
a public announcement of a tender offer for the Common Stock of the Company, the
consummation of which would result in a Change of Control; or (iv) a Person
makes a public announcement of, or makes a public filing with respect to, the
intention of that Person to seek to change the membership of the Board of
Directors of the Company in a manner that would result in a Change of Control. A
Pending Change of Control shall cease to exist upon a Change of Control.
 
     Should the Executive be terminated for any other reason than that described
in Section 2(a), the Executive shall be entitled to severance pay, the amount of
which shall be determined by the Compensation Committee of the Board of
Directors taking into consideration the Executive’s contributions to the
Company’s success and growth and the Executive’s length of service; provided,
however, that if the Executive is terminated for cause there shall be no
severance payment.
 
     3. Specified Employee. Notwithstanding anything in this Agreement to the
contrary, if at the time of the Executive’s “separation from service” (as
defined in Section 409A) the Executive is a “specified employee” (within the
meaning of Section 409A and the Company’s specified employee identification
policy) and if any payment, reimbursement and/or in-kind benefit that
constitutes nonqualified deferred compensation (within the meaning of Section
409A) is deemed to be triggered by the Executive’s separation from service,
then, to the extent one or more exceptions to Section 409A are inapplicable
(including, without limitation, the exception under Treasury Regulation Section
1.409A-1(b)(9)(iii) relating to separation pay due to an involuntary separation
from service and its requirement that installments must be paid no later than
the last day of the second taxable year following the taxable year in which such
an employee incurs the involuntary separation from service), all payments,
reimbursements, and in-kind benefits that constitute nonqualified deferred
compensation (within the meaning of Section 409A) to the Executive shall not be
paid or provided to the Executive during the six-month period following the
Executive’s separation from service, and (i) such postponed payment and/or
reimbursement/in-kind amounts shall be paid to the Executive in a lump sum
within thirty (30) days after the date that is six (6) months following the
Executive’s separation from service; and (ii) any amounts payable to the
Executive after the expiration of such six- (6-) month period shall continue to
be paid to the Executive in accordance with the terms of this Agreement.
 

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     4. Reimbursements And In-Kind Benefits. Notwithstanding any other provision
of the applicable plans and programs, all reimbursements and in-kind benefits
provided under this Agreement shall be made or provided in accordance with the
requirements of Section 409A, including, where applicable, the requirement that
(i) the amount of expenses eligible for reimbursement and the provision of
benefits in kind during a calendar year shall not affect the expenses eligible
for reimbursement or the provision of in-kind benefits in any other calendar
year; (ii) the reimbursement for an eligible expense will be made on or before
the last day of the calendar year following the calendar year in which the
expense is incurred; (iii) the right to reimbursement or right to in-kind
benefit is not subject to liquidation or exchange for another benefit; and (iv)
each reimbursement payment or provision of in-kind benefit shall be one of a
series of separate payments (and each shall be construed as a separate
identified payment) for purposes of Section 409A.
 
     5. Term. The term of this Agreement (the “Term”) shall commence on the
Effective Date and shall continue for an initial term of three (3) years (the
“Initial Term”). Thereafter, the Term shall continue for successive one (1) year
terms (the “Additional Terms”) unless either the Company or the Executive
provides written notice of termination of this Agreement not less than one
hundred twenty (120) days prior to the end of the Initial Term or any Additional
Term, or unless earlier terminated by the mutual written consent of the Company
and the Executive.
 
     6. Notices. Any notice required or permitted to be given under this
Agreement shall be sufficient if in writing and if sent by registered or
certified mail, return receipt requested to his residence in the case of the
Executive, or to its principal office in the case of the Company, or to such
other addresses as they may respectively designate in writing.
 
     7. Entire Agreement; Waiver. This Agreement contains the entire
understanding of the parties and may not be changed orally but only by an
agreement in writing, signed by the party against whom enforcement of any
waiver, change, modification or discharge is sought. Waiver of or failure to
exercise any rights provided by this Agreement in any respect shall not be
deemed a waiver of any further or future rights.
 
     8. Binding Effect; Assignment. The rights and obligations of this Agreement
shall bind and inure to the benefit of any successor of the Company by
reorganization, merger or consolidation, or any assignee of all or substantially
all of the Company’s business or properties. The Executive’s rights hereunder
are personal to and shall not be transferable or assignable by the Executive.
 
     9. Headings. The headings contained in this Agreement are for reference
purposes only and shall not affect the meaning or interpretation of this
Agreement.
 
     10. Governing Law; Arbitration. This Agreement shall be construed in
accordance with and governed for all purposes by the laws and public policy of
the State of Arizona applicable to contracts executed and to be wholly performed
within such state. Any dispute or controversy arising out of or relating to this
Agreement shall be settled by arbitration in accordance with the rules of the
American Arbitration Association and judgment upon the award may be entered in
any court having jurisdiction thereover. The arbitration shall be held in
Maricopa County or in such other place as the parties hereto may agree.
 

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     11. Further Assurances. Each of the parties agrees to execute, acknowledge,
deliver and perform, and cause to be executed, acknowledged, delivered and
performed, at any time and from time to time, all such further acts, deeds,
assignments, transfers, conveyances, powers of attorney and/or assurances as may
be necessary or proper to carry out the provisions or intent of this Agreement.
 
     12. Severability. The parties agree that if any one or more of the terms,
provisions, covenants or restrictions of this Agreement shall be determined by a
court of competent jurisdiction to be invalid, void or unenforceable, the
remainder of the terms, provisions, covenants and restrictions of this Agreement
shall remain in full force and effect and shall in no way be affected, impaired
or invalidated.
 
     13. Counterparts. This Agreement may be executed in several counterparts,
each of which shall be deemed to be an original, but all of which together will
constitute one and the same Agreement.
 
     IN WITNESS WHEREOF, AMTECH SYSTEMS, INC. has caused by instrument to be
signed by a duly authorized officer and the Executive has hereunto set his hand
the day and year first above written.
 

COMPANY:       EXECUTIVE:         AMTECH SYSTEMS, INC.                 By       
  Name:   Jeong Mo Hwang, Ph.D.   Title:    

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