Document:

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                                                                   Exhibit 10.18

                             MEMORANDUM OF AGREEMENT
                           FOR STRATEGIC COLLABORATION

      This Memorandum of Agreement ("Agreement") made as of October 16th, 2001
(the "Effective Date") by and between FAIRCHILD IMAGING, INC., a Delaware
corporation, with a place of business at 1801 McCarthy Boulevard, Milpitas,
California ("FAIRCHILD IMAGING") and BRUKER AXS INC., a Delaware corporation,
with a place of business at 5465 East Cheryl Parkway, Madison, WI 53711
(hereinafter "BAXS"); collectively, the "Parties", severally, a "Party".

      WHEREAS, FAIRCHILD IMAGING has been a supplier to BAXS for certain CCD
Image detectors and devices in the field of X-Ray Crystallography ("Devices"
and/or "Products"), necessary to BAXS's successful prosecution of its business;
and

      WHEREAS, BAXS wishes to be a preferred customer and assured of a source of
supply of these Products and Devices; and

      WHEREAS, FAIRCHILD IMAGING wishes to be a preferred R&D and Supply partner
to BAXS in the field of X-Ray Crystallography; and

      WHEREAS, the Parties desire to establish a mutually exclusive agreement to
assure BAXS an exclusive source of supply, and assure FAIRCHILD IMAGING an
exclusive right to sell the Products, and to provide a framework document under
which the Parties may expeditiously process and administer orders;

      NOW THEREFORE, in consideration of the foregoing premises and the mutual
covenants contained herein, the Parties hereby agree as follows:

1.0   SCOPE OF EXCLUSIVITY.

      1.1   FAIRCHILD IMAGING agrees during the term of this Agreement not to
            sell the Products identified herein, or any improvements thereof,
            for X-Ray Crystallography without the prior consent of BAXS.

      1.2   BAXS agrees to purchase CCD based detector Products exclusively from
            FAIRCHILD IMAGING.

      1.3   FAIRCHILD IMAGING and BAXS acknowledge the contracts with other
            parties that predate this Agreement. Said contracts may continue
            through their natural expiration.

2.0   CONDITIONS OF EXCLUSIVITY:

      2.1   FAIRCHILD IMAGING SHALL:

            a)    Provide competitive technology at competitive prices;

            b)    Maintain an active research and development activity in CCD
                  based imaging detectors;

CONFIDENTIAL TREATMENT HAS BEEN REQUESTED AS TO CERTAIN PORTIONS OF THIS
EXHIBIT, WHICH PORTIONS HAVE BEEN OMITTED AND REPLACED WITH [**] AND FILED
SEPARATELY WITH THE COMMISSION.

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            c)    Consistently deliver Products meeting the camera performance
                  specifications incorporated into any current or resulting
                  order;

            d)    Provide BAXS preferred customer status;

            e)    Provide training and warranty service for Products as agreed
                  to in any current or resulting order.

2.2 BAXS SHALL:

            a)    Provide orders so as to generate no less than the following
                  annual revenue to Fairchild Imaging:

                              YEAR         MINIMUM REVENUE
                              ----         ---------------
                              2002             $[**]M
                              2003             $[**]M
                              2004             $[**]M
                              2005             $[**]M

            b)    Honor existing Orders/Agreements and issue new orders
                  sufficient to attain the annual revenue levels

            c)    Provide FAIRCHILD IMAGING the right of first refusal on new
                  CCD detector development projects for the field of X-ray
                  Crystallography; and

            d)    Meet all credit, financial and payment obligations from any
                  resulting purchase order or subcontract.

3.0 RELEASE OF EXCLUSIVITY:

      3.1   The purchase and sale obligations of this Agreement shall be on a
            mutually exclusive basis for the Products for so long as the
            conditions set forth in Section 2.0 hereto are met. Solely with
            respect to the exclusivity provisions provided herein, in the event
            that either party does not satisfy the requirements of Section 2.0,
            the other party may terminate its exclusivity obligations under
            Section 1.0 hereof by written notice to the other. If within ninety
            (90) days after such notice the party in violation of this
            Exclusivity clause has not cured the default within said notice
            period, such termination shall be effective for the remaining term
            of this Agreement and for any extensions hereof.

      3.2   Any termination of this Agreement shall have no effect on any
            outstanding Purchase Orders or Supply Agreements in effect at the
            time of said termination.

      3.3   Except as limited by Section 1.0, it is understood that neither
            party shall be precluded from its normal marketing and/or purchasing
            efforts in connection with the sale of its products and/or services.

      3.4   Each party shall act as an independent contractor. No agency,
            partnership, joint venture or other joint relationship is created by
            this Agreement. Except as may be specifically contracted under
            separate order or agreement, neither party shall be liable to the
            other for any costs, expenses, risks or liabilities, including
            special, consequential, or incidental damages, arising out of the
            other parties efforts in connection with this Agreement.

[**]  Indicates that information has been omitted and filed separately with the
      Commission pursuant to a request for confidential treatment.

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4.0   PLACEMENT OF ORDERS. BAXS will purchase additional Products by issuance
      of BAXS's Purchase Order or Subcontract (herein "Order") which shall be in
      writing and contain the following information: (i) identity of Products by
      quantity, part number, description and charges, (ii) shipment instructions
      (including destination, and requested delivery dates in accordance with
      FAIRCHILD IMAGING's standard or quoted lead times), and (iii) "special
      provisions" to any given Order upon mutual agreement of the parties. The
      parties agree to establish mutually agreeable terms and conditions for
      each Order and/or Supply Agreement, including the 486 CCD Backside Thinned
      Camera Supply Agreement. Any new Orders placed and accepted pursuant to
      this Agreement shall be subject to the terms and conditions as negotiated
      therein

5.0   ORDER OF PRECEDENCE. Once accepted by FAIRCHILD IMAGING, each new Order is
      a separate contract between BAXS and FAIRCHILD IMAGING. With respect to
      any New Order accepted by FAIRCHILD IMAGING, in the event of any conflict
      between the terms of this Agreement and the Order Terms and Conditions as
      described and identified in Section 4.0 above, the Order Terms and
      Conditions shall take precedence and control. In the event of conflict
      between any provision of this Agreement itself and/or the Product
      Specification set forth as part of any new Order, the conflict will be
      resolved by giving precedence to the Product Specification.

6.0 PLANNING.

      6.1   During the term of this Agreement the parties agree to meet no less
            frequently than semiannually to discuss and update its business
            strategies and forecast. The areas of discussion shall be: Market
            requirements, technology, production planning, product development
            and other items as mutually agreed upon.

      6.2   BAXS shall provide on a monthly basis a rolling 12 month forecast of
            Product requirements. The requirements of the first three months
            shall be firm with the remaining 9 months deemed as advisory.

7.0   TERM OF AGREEMENT. This Agreement becomes effective upon the Effective
      Date and, unless otherwise agreed to in writing by the parties, will
      continue through December 31, 2005 (the "Term"), unless sooner terminated
      in accordance with Section 3.1 herein.

8.0   PROPRIETARY INFORMATION. In carrying out the terms of this Agreement, each
      party contemplates that it may be necessary to disclose proprietary
      information to the other. The parties wish to protect such proprietary
      information from unauthorized use and disclosure and accordingly, neither
      party shall disclose to any person or persons outside its organization, or
      to any person or persons within its organization not having a need to know
      for the purposes of this Agreement, any information or data which is
      submitted in writing and designated by an appropriate stamp, marking, or
      legend thereon to be of a proprietary nature or, which is orally submitted
      and identified as proprietary provided that the disclosing party notifies
      the receiving party in writing specifically identifying such proprietary
      information so orally submitted within thirty (30) days of the oral
      submission or disclosure. In addition, the receiving party shall use

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      such information only as contemplated by this Agreement. This section 8.0
      shall remain in full force and effect after any expiration or termination
      of the agreement.

9.0   SUCCESSORS AND ASSIGNS. Except as expressly provided in this Agreement,
      the provisions of this Agreement shall be binding upon, and inure to the
      benefit of, the Parties and their respective successors and assigns;
      provided, however, that no Party may assign, delegate or otherwise
      transfer any of its rights or obligations under this Agreement without the
      written consent of the other Party. Notwithstanding the foregoing, either
      Party may freely assign this Agreement and the rights and obligations
      hereunder to any successor or through merger or otherwise or acquisition
      of all, or substantially all, of the business or assets of the assigning
      party.

10.0  APPLICABLE LAW. This Agreement shall be governed by and construed in
      accordance with the laws of the California, exclusive of its Conflicts of
      Laws provisions.

11.0  ENFORCEMENT OF PROVISIONS. The failure on any occasion by the BAXS or
      FAIRCHILD IMAGING to enforce any provision of or exercise any rights
      reserved in this Agreement or comparable provisions or rights in any prior
      agreement between the parties will not prevent their assertion on any new
      occasion.

12.0  FORCE MAJEURE. The obligations of the parties hereunder shall be suspended
      by the occurrence of any unforeseeable event beyond the control of the
      parties which renders performance impossible or onerous, such as acts of
      God, or, riot, sabotage, fire, explosion, flood, casualty, inability to
      obtain suitable and sufficient labor or materials due to labor strikes or
      difficulties, or law or regulation restricting performance.

13.0  TITLES AND HEADINGS. The headings to the sections of this Agreement are
      inserted for convenient reference only and will not be considered a part
      of this Agreement.

14.0  DISPUTES. The Parties shall endeavor to resolve disagreements amicably. In
      the event that the Parties disagree as to their respective obligations
      and/or one or more of the terms of this Agreement and this disagreement
      has not been resolved by mutual communication between the Parties, the
      Parties shall declare a "dispute" and refer the matter to their respective
      Chief Executive Officers who shall thereafter confer in an effort to
      resolve the dispute amicably. Such discussions shall occur prior to the
      institution of any legal proceedings unless an emergent condition exists
      and/or such discussions cannot be scheduled within a reasonable time
      period.

15.0  ENTIRE AGREEMENT. This Agreement, including its Attachments and referenced
      documents, constitutes the sole and entire agreement between the parties
      concerning the subject matter and supersedes all communications or
      agreements written or oral. This Agreement shall not be amended nor shall
      any waiver of any right hereunder be effective, unless set forth in a
      document executed by duly authorized representatives of both parties,
      referencing this Agreement, and denoted as an "Amendment".

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The signatory for each of the parties certifies that he or she has authority to
bind the respective party to this Agreement.

      IN WITNESS HEREOF, the Parties hereto have executed this Agreement as of
the day and year first above written.

SELLER:                                    BUYER:

FAIRCHILD IMAGING, INC.                    BRUKER AXS INC.

By: /s/ Charles J. Arduini                 By: /s/ Martin Haase
   ----------------------------------         ----------------------------------
Printed Name: Charles J. Arduini           Printed Name: Martin Haase, Ph.D.
             ------------------------                   ------------------------
Title: President & CEO                     Title: President & CEO
      -------------------------------            -------------------------------
Date: 10/16/01                             Date:
     --------------------------------           --------------------------------

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                                                                   Exhibit 10.19

                    SEPARATION AGREEMENT AND GENERAL RELEASE

       In consideration of the mutual covenants to be performed by John B.
Bourke ("Employee"), and Bruker AXS Inc. (the "Company"), and set forth in their
entirety herein, the parties agree as follows this 7th day of November 2001:

       1. EFFECTIVE DATE. This Agreement shall take effect upon execution by
Employee (the "Effective Date").

       2. SEPARATION FROM EMPLOYMENT. Employee and the Company acknowledge that
Employee shall cease to be an employee of the Company on May 8, 2002 (the
"Separation Date"). As of the Separation Date, Employee is relieved of all
duties and responsibilities for the Company and is no longer authorized to
transact business on behalf of the Company. Until the Separation Date, Employee
shall continue to serve as the Company's Chief Financial Officer in Madison,
Wisconsin with a major focus on the following:

            a. Implementation of the Company's financial reporting and control
system.

            b. Closing of the Company's fiscal year 2001 and first quarter 2002.

            c. Assistance during the Company's initial public offering.

       3. PAYMENTS AND BENEFIT

            a. The Company shall pay Employee a lump sum payment of $ 150,000,
less payroll deductions required to be made under local, state and federal law
(the "Severance Payment"), in three (3) equal quarterly installments of $ 50,000
each on the first day of the quarter starting in July 1st, 2002.

            b. The Company will pay Employee all wages and accrued but unused
vacation pay through the Separation Date.

            c. Employee shall have the right to continue to receive health
insurance after the Separation Date at Employee's expense in accordance with the
Consolidated Omnibus Budget Reconciliation Act ("COBRA"). Employee will receive
separate correspondence regarding his COBRA rights.

            d. On the Separation Date, 50,000 of Employee's stock options in
Company will vest and all other stock options of Employee in Company will
automatically be terminated.

            e. Other than the payments and benefits described in this paragraph,
Employee acknowledges that he is not entitled to and shall not receive any
additional money, compensation or other benefits from the Company.

       4. GENERAL RELEASE. In exchange for the consideration described in
paragraph 3 above, to which Employee acknowledges he is not otherwise entitled,
Employee hereby releases and forever discharges the Company, and its affiliated,
related, parent and subsidiary companies,

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and their past and present officers, directors, agents, employees, shareholders,
successors, subsidiaries, attorneys, investors and any person or entity acting
for or on behalf of them (the "Releasees"), from liability for any and all
claims, damages, causes of action, wages or commissions, both in law and equity,
which Employee or his personal representative, heirs, or assigns, ever had, now
has or may have, whether known or unknown, and whether asserted or not, arising
out of any act event, neglect or omission occurring from the beginning of the
world to the date of this Agreement ("Claims"), including, but not limited to,
any Claims arising out of or in any way related to his employment by Company and
the termination of that employment. This includes, but is not limited to, any
Claims that may exist under any federal, state or local laws prohibiting
discrimination, such as Title VII of the Civil Rights Act of 1964, the Americans
with Disabilities Act, the Age Discrimination in Employment Act the Older
Workers Benefit Protection Act, the Employee Retirement Income Security Act
Wisconsin Stat. Ann. ss.ss.111 ET SEQ., and any other federal, state or local
statutory or common law Claims affecting or relating to the claims or rights of
employees, as same may be amended from time to time. Excepted from this General
Release is the right to enforce performance of this Agreement, and to sue for
damages for breach of this Agreement. Employee states that he has not previously
filed or joined in any complaints or charges or lawsuits against the Company
before any governmental agency or court of law. Employee will not file or permit
to be filed on his behalf, either individually or as a member of any class
seeking relief against the Releasees, any lawsuit or administrative complaint
asserting any Claims. In the event any of the Releasees are required to defend
against any suit or administrative complaint filed by or on behalf of Employee
in breach of this Agreement, Employee shall reimburse the Company for all
payments made to him or on his behalf under paragraph 3 and he shall be liable
for all expenses, including costs and attorneys' fees. incurred as a result of
such breach.

       5. RESCISSION. Employee acknowledges that he has been advised to consult
with an attorney regarding the terms of this Agreement. Employee and Company
recognize that, under federal law, Employee is entitled to have twenty-one (21)
days to consider this Agreement before signing same, and seven (7) days to
rescind this Agreement after signing. Rescission by Employee must be made by
delivering a signed, written notice of rescission to the Company's CEO at the
Company's offices. If Employee rescinds this Agreement, it shall not be
effective or enforceable.

       6. Other AGREEMENT. Employee hereby acknowledges that the
[Non-Disclosure] Agreement signed by Employee shall remain in full force and
effect in accordance with its terms, and that he remains bound by its terms.

       7. NON-DISPARAGEMENT. Employee will not make any oral or written
statement, or take any other action, which disparages or criticizes Company's
management, employees, products or services, or damages the Company's reputation
or impairs its normal operations.

       8 ENTIRE AGREEMENT. This Agreement constitutes the entire agreement
between Employee and Company with respect to the subject matter hereof. No
promises or oral or written statements have been made to either party other than
those in this Agreement. If any portion of this Agreement is found to be
unenforceable, then both Employee and Company desire

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that all other portions that can be separated from it or appropriately limited
in scope shall remain fully valid and enforceable.

       9. ASSIGNMENT. Employee may not assign any of his rights or delegate any
of his duties or obligations under this Agreement. The rights and obligations of
the Company under this Agreement shall inure to the benefit of the successors
and assigns of the Company.

       10. GOVERNING LAW. This Agreement shall be governed by and construed in
accordance with the laws of the State of Wisconsin. Any and all legal
proceedings regarding this Agreement or the subject matter hereof shall be
brought only in the state or federal courts of the State of Wisconsin, to whose
jurisdiction the parties submit.

       11. COUNTERPARTS. This Agreement may be executed in any number of
counterparts, each of which will be deemed an original, but all of which will be
deemed one and the same instrument.

       IN WITNESS WHEREOF, the parties have hereunto set their hands and seals
as of the date first written above.

                                         BRUKER AXS INC.

/s/ John B. Bourke                       By: /s/ Martin Haase
------------------------------------        ------------------------------------
John B. Bourke
                                         Title:  President & CEO

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