8-K

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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       The Securities Exchange Act of 1934

         Date of Report (Date of earliest event reported): July 31, 2007
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                                SPIRE CORPORATION
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               (Exact Name of Registrant as Specified in Charter)

       Massachusetts                      0-12742                04-2457335
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(State or Other Jurisdiction           (Commission             (IRS Employer
     of Incorporation)                 File Number)          Identification No.)


One Patriots Park, Bedford, Massachusetts                        01730-2396
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(Address of Principal Executive Offices)                         (Zip Code)

                                 (781) 275-6000
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              (Registrant's telephone number, including area code)


     Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

|_|  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)
|_|  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
     (17 CFR 240.14a-12)
|_|  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))
|_|  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))
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Item 1.01 Entry into a Material Definitive Agreement.

     On July 31, 2007, Spire Corporation (the "Company") entered into
contractual relationship with Gloria Solar Co., Ltd. ("Gloria Solar"), a company
organized under the laws of the Republic of China (Taiwan), pursuant to which
(i) the Company agreed to sell to Gloria Solar certain assets belonging to the
Company's solar systems business and (ii) the Company and Gloria Solar agreed to
form a joint venture (the "Joint Venture") for the purpose of pursuing the solar
photovoltaic systems market within the United States; the Joint Venture will
design, market, sell and manage the installation of systems for the generation
of electrical power by solar photovoltaic means in primarily
commercial/industrial and utility segments of such market. The Joint Venture's
business is referred to herein as the "JV Business." The contractual
relationship is characterized by the following three major agreements:

1. An ASSET PURCHASE AGREEMENT pursuant to which the Company agreed to sell
certain assets belonging to its solar systems business to Gloria Solar for
$4,000,000. Such assets include the Company's module production line it has used
to make customized building integrated photovoltaic modules, module and systems
designs and related technical information. This agreement requires the Company
to recondition the equipment within a four-month period after closing and
provide a one-year warranty. The Company is allowed the rent-free use of the
equipment to complete certain existing requirements and for the training of its
equipment customers.

     In connection with the Asset Purchase Agreement, the parties entered into
certain ancillary agreements, including (i) a Subcontracting Agreement pursuant
to which Gloria Solar will subcontract the operation of the purchased assets to
the Joint Venture; and (ii) a Sublease Agreement pursuant to which the Company
will lease space to the Joint Venture for the purpose of operating the acquired
assets for Gloria Solar.

2. A CONTRIBUTION AGREEMENT pursuant to which (i) the Company agreed to
contribute to the Joint Venture its assets primarily relating to the JV Systems
Business, including certain intellectual property and know-how, access to
information technology assets and relationships, relationships with current and
previous customers, contract backlog and project opportunities, certain
registered trademarks, and employment relationships with staff members and (ii)
Gloria Solar agreed to contribute $5,000,000 in cash.

3. The OPERATING AGREEMENT of the Joint Venture, to be known as "Gloria Spire
Solar, LLC." As noted above, the JV Systems Business is to pursue the solar
photovoltaic systems market within the United States and, in connection
therewith, the Joint Venture will design, market, sell and manage the
installation of systems for the generation of electrical power by solar
photovoltaic means in primarily commercial/industrial and utility segments of
the market. Gloria Solar will own 55% of the Joint Venture and the Company will
own 45% of the Joint Venture. The Joint Venture's term is indefinite with
provisions for liquidation/termination, including in any instance of default, as
set forth in the Operating Agreement.

     If the managing board, as described below, determines that additional
capital is required to support the operations of the Company, the Joint Venture
shall make a call for additional funds. Within ten (10) days after the members
have received written notice of the call, the members shall make additional
capital contributions to the Joint Venture in proportion to each member's
interest in the Joint Venture. If a member fails to fund its pro rata portion of
any capital call, the non-defaulting member may purchase the defaulting member's
shortfall; however, in no event may the Company's or Gloria Solar's interest in
the Joint Venture be reduced to below 10%.

     The Joint Venture will have a managing board composed of five (5) managers
with a rotating chairmanship, allowing any member with at least 50% of the
membership units to appoint three

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(3) managers, and any member with at least 35% of the membership units to
appoint two (2) managers. Major decisions of this body will require at least one
affirmative vote by a Company-appointed manager and at least one affirmative
vote by a Gloria Solar-appointed manager.

     With respect to transfers of membership interests, for the first
twenty-four (24) months, neither party may transfer its membership interest.
Thereafter, each member shall have a right of first refusal with respect to
proposed transfers by the other member. In the event of a "change in control" of
a member, the other members may purchase such member's interest in the Joint
Venture.

     Further participation by the Company in the business of the Joint Venture
is restricted; for a period of three (3) years, the Company may not mass
manufacture, market or sell solar cell modules with less than 575 watt capacity,
and may do so thereafter only outside the United States. The Company is not
restricted in showing its equipment customers how to manufacture modules or from
using module design technology for research and development purposes. The
members are expected to refrain from competing with Joint Venture in the solar
systems business in the U.S. market.

     For any purchase of photovoltaic modules, the Joint Venture shall first
offer to acquire such modules from Gloria Solar, on the same terms it would
otherwise acquire them from a third party supplier in an arm's-length
transaction. If Gloria Solar cannot meet those terms, the Joint Venture may
acquire such modules from a third party supplier. For any purchase of
photovoltaic module manufacturing equipment, the Joint Venture shall first offer
to acquire such equipment from the Company, on the same terms it would otherwise
acquire them from a third party supplier in an arm's-length transaction. If the
Company cannot meet those terms, the Joint Venture may acquire such equipment
from a third party supplier.

     In connection with the Operating Agreement, the parties entered into
several ancillary agreements, including (i) a Transitional Services Agreement,
whereby the Company furnishes the Joint Venture with certain administrative and
maintenance services at specified rates; (ii) a Technology License Agreement,
whereby the Joint Venture grants the Company a limited license to certain
photovoltaic module and systems technology which was part of the Company's
contribution to the assets of the Joint Venture, for the purpose of allowing the
Company to continue to do the things expressly permitted under the Operating
Agreement; (iii) an Assignment and Assumption Agreement, whereby the Company
assigns certain contracts and agreements to the Joint Venture; and (iv) several
Trademark License Agreements, whereby the Company licenses the use of its
primary mark ("Spire") and logo elements, for use only in conjunction with the
term "Solar," or as a composite, as in "Gloria Spire Solar LLC." These licenses
are both to Gloria Solar and to the Joint Venture, with a further one from
Gloria Solar to the Joint Venture for use of the mark "Gloria."

     The transactions contemplated by these agreements are expected to close
within thirty (30) days of the date of the agreements, subject to certain
closing conditions, including, without limitation, board approval by both
parties and the Company obtaining a waiver from its Loan Agreement with Silicon
Valley Bank.

     In addition, on July 31, 2007, the Company and Gloria Solar entered a
purchase and sale agreement whereby Gloria Solar will purchase a nominal
50-megawatt module production line for the price of $3.8 million. The equipment
is scheduled to be delivered in the first half of 2008.

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Item 9.01 Financial Statements and Exhibits.

     (d)  Exhibits

          Exhibit No.       Description
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          99.1              Press Release of the Company dated August 6, 2007.



































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                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.



                                      SPIRE CORPORATION

Date: August 6, 2007                  By: /s/ Christian Dufresne
                                          --------------------------------
                                          Christian Dufresne
                                          Chief Financial Officer and Treasurer

























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                                  EXHIBIT INDEX


Exhibit No.          Description
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99.1                 Press Release of the Company dated August 6, 2007.

EX-99.1

                                                                    EXHIBIT 99.1
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SPIRE CORPORATION NEWS RELEASE

              Spire and Gloria Solar Establish PV Systems Business

     Spire will also provide Gloria Solar, Taiwan, with an additional
50-megawatt module assembly line.

BEDFORD, Mass. -- (BUSINESS WIRE) -- August 6, 2007 -- Spire Corporation
(Nasdaq: SPIR) announced today that it has finalized with Gloria Solar Co., Ltd.
(Gloria Solar), of Tainan, Taiwan, Republic of China, an affiliate of E-TON
Solar Tech Co., Ltd., a joint venture (Joint Venture) to address the domestic
solar photovoltaic (PV) systems market. The Joint Venture's business will be
named Gloria Spire Solar, LLC, and it will headquarter its operations in
Bedford, Massachusetts.

Gloria Spire Solar will conduct business as a PV Systems integrator within the
United States, designing, marketing, selling, and managing installations of
solar PV systems, with particular focus on the commercial/industrial and utility
markets. Along with the establishment of this PV Systems venture, Gloria Solar
purchased from Spire Corporation its existing building integrated PV module
manufacturing facility, which will be operated by the Joint Venture in Bedford.
Additionally, another 50MW Spire module manufacturing facility was ordered by
Gloria Solar for its existing operations in Tainan, Taiwan, Republic of China,
this additional capacity will also be available to support the Joint Venture.
Mr. Mark Goodreau, who has been managing Spire's existing systems integration
business, will lead the collaboration as its first Chief Executive Officer.

Roger G. Little, Chairman and CEO of Spire Corporation, said, "We are excited to
form this Joint Venture with Gloria Solar and expand our position in the PV
systems business. The collaboration brings together the Spire experience and
pedigree of over 1.5MW of commercial/industrial solar PV installations of all
sorts, and the Gloria financial and PV material supply resources, which will
enable the Joint Venture to become a major player in the U.S. marketplace."

George Hsu, Chief Operating Officer of Gloria Solar, said, "We will have 20MW of
module manufacturing capacity, including a production line in the United States
with UL and IEC certification from this collaboration. By working with Spire, we
achieve a win-win situation in the blooming PV market in the United States. We
will continue to expand with an additional 75MW of module manufacturing
equipment from Spire in coming quarters, to become a leading PV player in the
world."

About Spire Corporation
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Spire Corporation provides products and services to the solar energy, biomedical
and optoelectronics industries worldwide operating with three entities: Spire
Solar, Spire Biomedical and Bandwidth Semiconductor. For more information visit
www.spirecorp.com.

About Gloria Solar Co., Ltd.

Gloria Solar Ltd. is a leading manufacturer in Taiwan, producing high quality
solar products including specialty panels for automobile applications, building
integrated photovoltaic (BIPV) modules and standard PV modules. Through its
Joint Venture with Spire Corporation, Gloria completed vertical integration from
ingots, wafers, module production, to system installation. For more information
visit www.gloriasolar.com.tw.

Contact: Spire Corporation
         Rodger W. LaFavre, 781-275-6000
         Chief Operating Officer

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CERTAIN MATTERS DESCRIBED IN THIS NEWS RELEASE MAY BE FORWARD-LOOKING STATEMENTS
SUBJECT TO RISKS AND UNCERTAINTIES THAT COULD CAUSE ACTUAL RESULTS TO DIFFER
MATERIALLY FROM THOSE INDICATED IN THE FORWARD-LOOKING STATEMENTS. SUCH RISKS
AND UNCERTAINTIES INCLUDE, BUT ARE NOT LIMITED TO, THE RISK OF DEPENDENCE ON
MARKET GROWTH, COMPETITION AND DEPENDENCE ON GOVERNMENT AGENCIES AND OTHER THIRD
PARTIES FOR FUNDING CONTRACT RESEARCH AND SERVICES, AS WELL AS OTHER FACTORS
DESCRIBED IN THE COMPANY'S FORM 10-KSB AND OTHER PERIODIC REPORTS FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION.

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