EXHIBIT 10(aj)
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Confidential Treatment Requested as to certain information contained in this
Exhibit and filed separately with the Securities and Exchange Commission.

                           PURCHASE AND SALE AGREEMENT

                       50 MW Solar Module Production Line

                                 August 26, 2009

  1.    The Parties:

        Spire Corporation (the "Seller"), a business incorporated in the
        Commonwealth of Massachusetts, with its principal place of business at
        One Patriots Park, Bedford, Massachusetts, 01730-2396, U.S.A.;

        Uni-CHEM Co., Ltd. (the "Buyer"), a business established in Republic of
        Korea, with its principle place of business at 7 Floor, SAMWOO Building,
        50-12 Bangpo-Dong, Seocho-Gu, Seoul, Korea

  2.    Terms of Agreement:

        Seller agrees to sell to Buyer and Buyer agrees to buy from Seller the
        Products described in Article 3 below, pursuant to the provisions of the
        Purchase and Sale Agreement ("Agreement") hereinafter set forth. Such
        provisions shall prevail and no other article, condition, clause or term
        shall have any effect unless specifically admitted by this document.

  3.    The Products bought by Buyer and sold by Seller are set forth in this
        Article below and will be shipped to Buyer on or before June 1, 2010
        (reference section 5d). The capacity of the line is based on twenty-four
        hours per-day, seven days per-week, fifty weeks per-year option. Partial
        shipments are allowed as needed and any shipment may be transshipped as
        may be appropriate. The specifications of the Products are delineated in
        Attachment B hereto:

           ***






*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

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        ***
        NOTE: Shipments schedule are contingent upon receipt by Seller of
        Buyer's initial non-refundable down payment of *** on or before October
        20, 2009, as well as the fulfillment of certain other conditions, that
        if applicable, are stated elsewhere below. Any failure by Buyer to
        adhere to the payment plan as outlined in Article 4 may cause Seller to
        revise the shipment schedule.

  4.    Price and Terms of Payment:

        a.  Price:

            The price for the Products, including technical documents, technical
            services, and training in their operation and maintenance, as set
            forth above, is a total of U.S. Dollars $13,250,000 (Thirteen
            Million, Two Hundred Fifty Thousand US Dollars), Ex Works USA, and
            Japan.

                      50MW Automated Module Production Line
                      -------------------------------------
            No.       Description                                 Quantity
            --------------------------------------------------------------------
            ***











*** Represents text omitted pursuant to a request for confidential treatment.
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        ***
            Total for 50MW Automated Module Line               13,250,000

        b.  Seller will supply information on their recommended freight
            forwarder for the Ex-works shipment. If Buyer selects a third party
            freight forwarder Seller must accept the subject forwarder. If Buyer
            does not select Seller's recommended freight forwarder or a third
            party forwarder acceptable to Seller, Seller will then implement a
            *** additional Customer Service Surcharge.

        c.  Payment:

            Buyer shall make payments to Seller in accordance with the schedule
            outlined below:

        c1. Buyer shall make a non-refundable Down Payment to Seller by
            telegraphic transfer as soon as possible after execution of this
            Agreement but not later than October 20, 2009 based upon Seller's
            invoice, in the amount of *** Such payment shall be effected by
            Buyer via telegraphic transfer to Seller's bank as below:

            ***

        c2. Buyer subsequently shall establish irrevocable, transferable, and
            divisible confirmed Letter of Credit for the remaining balance price
            of the Products of each shipment, in the amounts listed in the
            schedule below:

            A Letter of Credit of *** shall be established. Such Letter of
            Credit shall be established on or before March 1, 2010. The
            expiration date for the Letter of Credit described in this Article
            shall not be earlier than one hundred and twenty (120) days from the
            date of the last scheduled shipment. Such Letter of Credit shall be
            drawable by Seller in One (1) sequence:

            i)    A draw of *** upon presentation of applicable shipping
                  documents for the Ex-Works shipment.as outlined in Attachment
                  F.






*** Represents text omitted pursuant to a request for confidential treatment.
The omitted material has been filed separately with the Securities and Exchange
Commission.

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            Other terms and conditions of this Letter of Credit shall be in
            accordance with the document entitled "Letter of Credit
            Requirements" and attached hereto as Attachment A. Buyer agrees to
            amend this Letter of Credit promptly upon Seller's request provided
            that Seller furnishes a satisfactory and reasonable explanation for
            such amendment, and that the terms of the amendment are mutually
            agreed upon by Buyer and Seller.

  5.    Performance and Performance Period:

        a. Conditions precedent for Seller to begin performance:

                  i.    Purchase and Sale Agreement signed by both Parties;

                  ii.   Down payment received by Seller on or before October 20,
                        2009.

        b. Performance:

            Seller shall make delivery in full of the of the Products, including
            all Product components; install products at the Buyer's site in
            accordance with standard industry practices; as well as provide
            equipment training (operation and maintenance), using its best
            efforts to deliver the Products in accordance with the shipment
            schedule in Article 3. Installation shall be defined as the task of
            making operational all applicable Products (equipment) including the
            disposition of each Product in its proper location, connection with
            the required utilities, (electricity, gas, water, compressed air,)
            and determination that each Product performs the mechanical
            functions for which it was designed as stated in Attachment A. All
            training services, training materials, equipment manuals, and the
            like shall be provided to Buyer by Seller prior to the Ex- Works
            shipment of the Products. Process training shall be conducted in
            accordance with the agenda and schedule to be mutually agreed upon
            by Seller and Buyer, and shall be completed prior to the Ex- Works
            shipment of the Products. The training is scheduled for a two (2)
            week term at Seller's facility. Every deliverable Product shall be
            new; shall evidence high quality workmanship, be free of any design
            defects that may inhibit the smooth operation; and which satisfies
            the purpose of this Agreement. Each unit of deliverable equipment
            shall correspond to the specifications attached as Attachment A; be
            accompanied by a standard spare parts package which shall be defined
            by Seller prior to Ex- Works shipment; and be subject to a Limited
            Warranty as specified elsewhere in Article 8 of this Agreement.

            All of the Products and related components delivered by the Seller
            shall be packed using new and sufficiently strong packaging
            appropriate for shipping, transportation, loading and unloading.
            According to the requirements of each unit of equipment and any
            other items included with them, the Seller shall, consistent with
            accepted industry standards, supply any protection necessary to
            protect such equipment and other items from humidity, water, rust,
            erosion, or any other

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            environmental factor which may damage the equipment or other items,
            and to insure that the Products arrive at the Buyer's site
            undamaged.

            Each package, box or crate shall include the following documents:

            1. Two (2) copies of a detailed packing list;
            2. Two (2) copies of quality certificated;
            3. Operation, service and repair manuals
            4. Spare parts list;
            5. Two (2) copies of assembly drawing as required for routine repair
               and maintenance.

        c.  Performance Period:
            The period of performance shall commence when the conditions
            precedent as described above are met and shall conclude with the
            delivery of the Products, the installation of the same at a site
            specified by the Buyer, completion of such training as is specified
            herein, and the qualification of the Products as agreed herein by
            the Parties.

        d.  Earlier Installation Date for Module Line
            To accommodate the Buyers request for an earlier start date on the
            Module line the Seller will install a 25MW semi automated line by
            March 15, 2010. The line will be operational and producing
            functional PV modules. During the operation of the 25MW
            semiautomated line the Buyer will be phasing in the Fully Automated
            Line of 50MW starting in June 2010. During the phase in period the
            25MW semi automated line will continue to be fully operational until
            the 50MW Fully Automated Line is complete.

  6.    Alterations to Product:

        The Products specified in Article 4 above and as described in detail in
        Attachment A hereto are standard Products manufactured and assembled by
        Seller. Any requirement by Buyer to have Seller modify specifications
        and features of the Products may affect the price, even if such
        modification eliminates a feature or relaxes a specification, as all
        changes require an engineering charge. Other charges may apply. Buyer
        will submit all such requirements to Seller as soon as they become
        known. Seller will advise Buyer as soon as practical the effect all such
        requirements are estimated to have on price, delivery schedule,
        performance, and warranties as herein stated. In particular, Buyer
        agrees that any subsequent requirement other than addressed above
        thereafter agreed upon by the Parties will constitute a change in
        Seller's performance requirements and may further affect the delivery
        schedule cited above. In the event of any changes required by Buyer, in
        requesting such change, Buyer thereby releases Seller from strict
        adherence to this schedule, although Seller is expected to use its best
        efforts to minimize or eliminate any delay that may result from changes
        required by Buyer. Seller reserves the right to make changes to the type
        or source of parts used to manufacture the components of the

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        Products to eliminate any procurement problems or to improve quality of
        operations. Such changes will be made without notice to Buyer, but
        Seller's responsibility to furnish Products of equal or improved in
        quality shall not be altered.

  7.    Certain Responsibilities of Buyer:

        a.  Installation Site Preparation:

            Buyer will have an Installation Site, including utility/facility
            (power, water, compressed air, factory floor space) requirements,
            prepared for Seller to install the Products at the time of its
            arrival at the location/address specified by Buyer, but in any case
            not later than thirty (30) days after the arrival of the last
            Product at such location/address. Failure by Buyer to make such a
            Site, including all required utility/facility items available at or
            before the expiration of the thirty (30) day period will allow
            Seller, at its sole discretion, to consider itself absolved of any
            further performance with regard to training and installation except
            at Seller's convenience thereafter. Any delay for any reason (save
            for Force Majeure) arising with the Buyer that delays the completion
            of installation beyond ninety (90) days after the arrival of the
            Products at Buyer's Site will cause the full amount of the
            outstanding balance at that time to become due and payable by Buyer,
            at Seller's sole discretion. Buyer will promptly make the required
            change to the Letter of Credit to facilitate this collection upon
            application of Seller. Seller shall, in such instance adjust its
            installation schedule for its own convenience but with consideration
            to Buyer's schedule to the maximum extent possible. In addition, any
            direct added costs incurred by Seller by reason of Buyer's failure
            to proceed with installation of the Product and training of its
            personnel shall be charged to Buyer, invoiced separately, and
            payable thirty (30) days from invoice date. The site shall possess
            all the utility/facility requirements as agreed by both parties. If
            the Seller's technical staff is not able to arrive at the site at a
            time mutually convenient, the Buyer may start inspection and
            installation at its own risk.

        b.  Inspection:

            The Buyer shall inform the Seller of the inspection date twenty (20)
            days prior to the scheduled date for inspection. Seller may send its
            representative(s) to join in the inspection at its expense. If any
            part is missing, defective, damaged, or there is any other
            non-conformity present, Buyer shall notify Seller immediately in
            writing with appropriate documentation. Buyer shall correct such
            non-conformities in accordance with the warranty attached to the
            Agreement as Attachment B. Seller's adherence to the terms of the
            warranty prior to the completion of installation does not in any way
            shorten the ordinary warranty period. Seller has the right to
            photograph or videotape the container opening and inspection
            process.

        c.  Supplemental Training:

            Seller will provide supplemental training during the course of the
            installation process for up to four (4) operators (training of
            additional operators may result in additional cost). All such
            training is understood to be supplemental to the training conducted
            at

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            Seller's facility, and constitutes "on-the-job-training" conducted
            during the Installation process. All such trainees must be
            proficient in spoken and written English, or Buyer must provide at
            its expense a skilled interpreter/translation expert to render
            Seller's trainer/installer's instructions into trainee's native
            language in an effective and efficient manner. Seller will provide
            operation, repair and maintenance manuals to Buyer in English, and
            will attempt to provide them to Buyer sufficiently in advance of the
            installation process to allow Buyer to translate or have them
            translated and copied. Seller does not warrant the content of such
            documents if translated.

        d.  Materials

            Buyer must send five thousand (5000) of each type of cell to be used
            eight (8) weeks before the scheduled shipment date. In addition, at
            the time of installation Buyer must have available all required
            materials to produce 30 modules including with a minimum two
            thousand (2000) solar cells of the type that the system will run in
            the initial production configuration

  8.    Warranty:

        Seller sells the Products set forth herein with a Limited Warranty as
        shown in Attachment C hereto. It is this Limited Warranty and no other
        that shall apply to any claims of defects in parts and/or labor on any
        unit of the Products. Seller expressly disclaims any and all other
        promises or guarantees that may be purported to apply.

        If any defects are found except where limited by the specific terms of
        the Limited Warranty, including but not limited to damaged, missing,
        substandard or malfunctioning parts and components, the Buyer has the
        right to have the Products and/or any of their components repaired
        and/or replaced in accordance with the Limited Warranty terms by the
        Seller.

  9.    Product Qualification; Standard for Equipment Acceptance and Completion:

        Provided that the Buyer has satisfied its obligations as set forth
        herein, Seller will provide performance conditions in accordance with
        Attachment D hereto; the "Acceptance Protocol." Such Acceptance
        Protocol, signed by both Buyer and Seller prior to shipment shall
        demonstrate Seller's equipment meets the applicable specifications for
        the acceptance.

        In the event that the results of the Acceptance Protocol show that the
        Product(s) fail to meet one or more of the performance conditions and
        such failure is demonstrably attributable to the Seller, Seller, at no
        additional charge to Buyer, shall undertake actions to correct such
        defective performance.

        The liabilities expressly assumed by Seller under this Agreement shall
        be Seller's only liability hereunder, at contract and law, and Buyer
        hereby releases Seller from any and all liability and claims of
        liability in excess thereof. Seller's total aggregate maximum total

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        liability shall be determined jointly by both Parties pursuant to an
        analysis of the deficiencies giving rise to any claim by Buyer.

        Upon the satisfactory installation and training of Buyer's staff for the
        products by Seller, Seller shall issue Acceptance Certificate(s) as in
        Attachment F. Should acceptance by Customer in accordance with the
        Acceptance Protocol not occur at Spire Solar, or otherwise deferred or
        postponed by Customer, or Customer provisionally accepts the Product(s),
        Customer's commercial use of the Product(s) for more than sixty (60)
        days after installation is completed, or for any thirty day period
        thereafter with out execution of the Acceptance Protocol shall be deemed
        by both Parties as definitive and final acceptance thereof. All retained
        payments shall become immediately due and payable.

  10.   Indemnity:

        Buyer shall indemnify, defend, protect and hold harmless Seller from any
        action, suit, complaint, allegation and controversy of whatever kind
        which originates in Buyer's operation of the installed Products and the
        sale or use of any products that was manufactured using the Products,
        provided that Buyer failed to follow all or some portion of the
        instructions for use provided by Seller, and provided also that no
        portion of the cause has its origin in any act of gross negligence on
        the part of Seller.

  11.   Confidentiality:

        Certain matters regarding this relationship embodied by this Agreement
        may be considered confidential or sensitive to one or the other Party to
        this Agreement. The Parties agree that all such matters, once
        identified, will be treated in accordance with the Confidential
        Disclosure Agreement attached hereto as Attachment E. This Agreement
        does not confer any right of ownership to any technical data disclosed
        to Buyer for Process Technology development purposes, and Buyer shall
        not release any technical data to any third party without the written
        approval of Seller.

  12.   No License:

        This Agreement does not convey any license to Buyer to use Seller's name
        or any form of its corporate identification in any jurisdiction. Buyer
        is allowed a limited non-exclusive license to use certain technical data
        for the purpose of developing process technology.

  13.   General Provisions:

        a.  No Waiver - Waiver of any provision of this Agreement, in whole or
            in part, in any one instance shall not constitute a waiver of any
            other provision in the same instance, or any waiver of the same
            provision in any other instance, but each provision shall continue
            in full force and effect with respect to any other then-existing or
            subsequent breach.

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        b.  Notice - Any notice required or permitted under this Agreement shall
            be given in writing to the Parties at their respective addresses as
            specified above, or at such other address for a Party as that Party
            may specify by notice (i) by delivery in hand or, (ii) registered or
            certified mail, return receipt requested, or courier or some other
            form of expedited delivery service that provides for delivery to the
            sender of a signed receipt. Notice so sent shall be effective upon
            receipt unless otherwise specified herein or in the notice.

        c.  Arbitration of Disputes - All disputes arising out of or in
            connection with this Agreement that cannot be readily or amicably
            solved by the Parties shall be finally settled pursuant to the Rules
            of Arbitration of the International Chamber of Commerce by three
            arbitrators appointed in accordance with said rules. The place of
            arbitration shall be the city of New York USA and the arbitration
            shall be conducted in the English language.

        d.  Force Majeure - Neither Party to this Agreement shall be responsible
            to the other Party for delays or errors in its performance or other
            breach under this Agreement occurring solely by reason of
            circumstances beyond its control, including acts of civil or
            military authority, national emergencies, fire, major mechanical
            breakdown, labor disputes, flood or catastrophe, acts of God,
            insurrection, war, riots, severe weather, delays of suppliers, or
            failure of transportation, communication or power supply.

        e.  Miscellaneous - This Agreement: (i) may be executed in any number of
            counterparts, each of which, when executed by both Parties to this
            Agreement shall be deemed to be an original, and all of which
            counterparts together shall constitute one in the same instrument;
            (ii) shall be governed by and construed under the laws of The
            Commonwealth of Massachusetts applicable to contracts made,
            accepted, and performed wholly in The Commonwealth, without
            application to the principle of conflict of laws; (iii) except and
            to the extent expressly provided for in Article 11, this Agreement
            constitutes the entire agreement between the Parties with respect to
            its subject matter, superceding all prior oral and written (except
            as previously noted) written communications, proposals,
            negotiations, representations, understandings, courses of dealing,
            agreements, contracts, and the like between the Parties in such
            respect; (iv) may be amended, modified, and any right under this
            Agreement may be waived in whole or in part, only by a writing
            signed by both Parties; (v) contains headings only for convenience,
            which headings do not form part, and shall not be used in
            construction, of this Agreement; (vi) shall bind and inure to the
            benefit of the Parties and their respective legal representatives,
            successors and assigns, including, without limitation, to a Parties
            corporate parents or affiliates, provides that no Party may delegate
            any of its obligations under this Agreement or assign this Agreement
            except to a related entity or successor by sale or merger, without
            prior written consent of the other party. This Agreement is in the
            English language only which language shall be controlling in all
            aspects.

        f.  In the event either Party is in default for sixty (60) days in any
            obligation hereunder, and the other Party has given written notice
            specifying the claimed

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            particulars of such default, which shall continue for a period of
            thirty (30) days after the date of such notice, the party giving
            notice may thereupon terminate this Agreement forthwith by giving
            the other Party ten (10) days written notice of termination. Buyer
            shall nevertheless be obligated to pay Seller all payments due
            pursuant to Seller's costs to date.

  14.   United States Export Regulations:

        Seller is subject to the Export Regulations of the United States
        Department of Commerce and other regulatory agencies that regulate the
        export from the United States of certain technical data and information.
        Because of these regulations, the Parties to this Agreement recognize
        that Seller can furnish such technical data to Buyer only on the
        condition that Buyer not re-export the technical data and/or information
        to any country to which Seller may not, without a validated export
        license, export such data directly. Buyer acknowledges that Buyer is
        knowledgeable of such Export Regulations and agrees not to violate them
        or take any action or fail to take such action that would allow
        technical data and/or information or any product based upon them to be
        shipped either directly or indirectly to any country not permitted by
        said regulations unless prior written authorization is obtained from the
        relevant agencies having jurisdiction over such shipment either directly
        or through Seller.

  15.   Compliance with Laws Generally:

        Both Parties agree that they will diligently comply with all relevant
        laws, statutes, orders and administrative regulations of all relevant
        jurisdictions, at all relevant times. Each Party additionally agrees to
        indemnify and hold the other Party harmless from any governmental action
        at law that results from the willful or negligent failure of the
        indemnifying Party to comply with any relevant law, statute, order or
        administrative regulation. The Parties hereby certify that they are, to
        the best of their knowledge, compliant with all such laws, statutes,
        orders, and administrative regulations.

  16.   Assignment:

        This Agreement shall not be assignable by either party hereto without
        the express prior written consent of the other party, except that it may
        be assigned without such consent to the successors to and assigns of
        substantially the entire assets and business of such party. No
        assignment hereof shall be valid without the assumption in writing by
        such successors or assigns of all obligations under this Agreement. When
        duly assigned in accordance with the foregoing, this Agreement shall be
        binding upon and inure to the benefit of the assignee.

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IN WITNESS WHEREOF, the Parties hereto have set their respective hand and seals
signifying their concurrence and endorsement with and of the foregoing, in a
number of counterpart copies, each of which shall be deemed to be an original
for all purposes and deemed effective and binding on the date at the head of
this document.


Uni-CHEM CO. Ltd                       Spire Corporation

/s/ Hochan Lee                         /s/ Rodger W. LaFavre
----------------------------------     ----------------------------------
By:     Hocan Lee                      By:     Rodger LaFavre

Title:  Chairman/CEO                   Title:  Chief Operating Officer















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                                  ATTACHMENT A

                       Letter of Credit (L/C) Requirements


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                                  ATTACHMENT B

                                   DATA SHEETS

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                                  ATTACHMENT C

                  STANDARD LIMITED WARRANTY FOR SPIRE EQUIPMENT

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                                  ATTACHMENT D

                              ACCEPTANCE PROTOCOLS

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                                  ATTACHMENT E

                        CONFIDENTIAL DISCLOSURE AGREEMENT



















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                                  ATTACHMENT F

                             ACCEPTANCE CERTIFICATES

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  1.    PASSING OF TITLE AND TRANSFER OF RISK

        a)  Spire Corporation ("Spire") shall retain ownership of the Products
            supplied until full payment has been received. The Customer shall
            take all necessary measures for the protection of the proprietary
            rights of Spire until such time that all title is legally
            transferred to Customer.

        b)  Title of any part of the Work shall pass to the Buyer upon the date
            on which complete (100%) payment for that work has been made by the
            Buyer. Any understanding to the contrary is null and void unless
            expressly admitted in writing by Spire.

        c)  Notwithstanding the clause "Termination for Cause", if no specific
            Incoterms have been defined herein, then the risk of damage to and
            loss and any part of the Work shall pass to the Buyer on the date of
            Certification of Ready to Ship.

  2.    TERMINATION FOR CAUSE

        Without prejudice to any other rights of Spire under applicable law:

        a)  if the Buyer commits a breach of its obligations under this
            Contract, which breach is not remedied within a reasonable time
            period, the term of which shall be solely determined by Spire, or

        b)  if the Buyer becomes insolvent or files a petition in bankruptcy or
            has such petition filed against it

        then Spire may, by written notice, terminate this Contract without
        prejudice or any liability of the Buyer under this Contract prior to
        such termination.

  3.    CANCELLATION

        a)  Prior to shipment, Customer may unilaterally cancel or terminate any
            delivery of Products under the Terms and Conditions of Offer with
            written notice to Spire and upon payment of cancellation penalties
            as follows: if Spire receives Customer's written cancellation notice

            i.    within 60 days of the scheduled shipment date, cancellation
                  charges shall be 80% of the applicable order amount, or
                  applicable fraction thereof.

            ii.   more than 60 days, but less than 90 days of the scheduled
                  shipment date, cancellation charges shall be 60% of the
                  applicable order amount, or applicable fraction thereof.

            iii.  90 days or more, but less than 150 days of the scheduled
                  shipment date, cancellation charges shall be 40% of the
                  applicable order amount, or applicable fraction thereof.

            iv.   150 days or more of the scheduled shipment date, cancellation
                  charges shall be 35% of the applicable order amount, or
                  applicable fraction thereof.

  4.    DELAY IN ACCEPTANCE

        Costs that are incurred due to a delay in Product acceptance, which are
        not due to any fault or defect in the Spire product itself, must be paid
        by the Buyer. Delays of Product acceptance as described above may
        require a readjustment of the delivery time in accordance with and
        appropriate to the delays of the acceptance of the Product.

  5.    WARRANTY

        Unless stated elsewhere in writing and endorsed in writing by Seller,
        the Limited Warranty will last 12 (twelve) months from the date upon
        which it became effective ("Effective Date"). The term of this Limited
        Warranty begins with the earliest occurrence of the following events,
        which shall define as the Effective Date of the Limited Warranty:

        a)  the day after the conclusion of the successful Factory Acceptance
            Test (or any equivalent event) of the Product covered by this
            Limited Warranty; or

        b)  sixty-one (61) days after arriving at Buyer's site, if the Factory
            Acceptance Test has not commenced prior to that date as a result of
            Buyer's actions for any reason; or

        c)  sixty-one (61) days from the date of Seller's notice to Buyer of
            "Certificate-Product Ready to Ship", if the failure to ship prior to
            that date is due to Buyer's delay for any reason, or

        d)  the date upon which the Product is first used in commercial
            production.

            i.    "commercial production" shall be defined as the use of Product
                  to manufacture goods for commercial sale.