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

                                  SCHEDULE 13G
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                            CVD EQUIPMENT CORPORATION
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                                (Name of Issuer)

                                  COMMON STOCK
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                         (Title of Class of Securities)

                                    126601103
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                                 (CUSIP Number)

                                DECEMBER 31, 2009
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             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

|X|      Rule 13d-1(b)
|_|      Rule 13d-1(c)
|_|      Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS
FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB
CONTROL NUMBER.

SEC 1745 (12-02)


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1.    NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

      GAGNON SECURITIES LLC
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2.    CHECK THE APPROPRIATE BOX IF A GROUP*           (a) |_|
                                                      (b) |X|
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3.    SEC USE ONLY

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4.    CITIZENSHIP OR PLACE OF ORGANIZATION

      DELAWARE LIMITED LIABILITY COMPANY
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    NUMBER OF       5.  SOLE VOTING POWER                   250,000
      SHARES        ------------------------------------------------------------
   BENEFICIALLY     6.  SHARED VOTING POWER                 0
     OWNED BY       ------------------------------------------------------------
       EACH         7.  SOLE DISPOSITIVE POWER              250,000
    REPORTING       ------------------------------------------------------------
   PERSON WITH:     8.  SHARED DISPOSTIVE POWER             0
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9.    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      250,000
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10.   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
      (SEE INSTRUCTIONS) |_|
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11.   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

      5.3%
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12.   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

      IA
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ITEM 1.
      (a)   Name of Issuer:
            CVD Equipment Corporation

      (b)   Address of Issuer's Principal Executive Offices:
            1860 Smithtown Avenue
            Ronkonkoma, New York  11779

Item 2.
      (a)   Name of Person Filing:

            This Schedule 13G is being filed by Gagnon Securities LLC (the
            "Reporting Person"). Gagnon Securities LLC is an investment adviser
            registered under Section 203 of the Investment Advisers Act of 1940
            and furnishes investment advice to several customer accounts,
            foundations, partnerships, trusts, and private investment funds
            (collectively, the "Funds"). The Reporting Person expressly
            disclaims beneficial ownership of all securities held in the Funds'
            accounts. In addition, the filing of this Schedule 13G shall not be
            construed as an admission that the Reporting Person or any of its
            affiliates is a beneficial owners of any securities covered by this
            Schedule 13G for any other purposes than Section 13(d) of the
            Securities Exchange Act of 1934.

      (b)   Address of Principal Business Office or, if none, Residence:

      (c)   Citizenship:
            GAGNON SECURITIES LLC: Delaware Limited Liability Company

      (d)   Title of Class of Securities: Common Stock, $0.01 par value

      (e)   CUSIP Number: 126601103

Item 3.     If this statement is filed pursuant to ss.ss.240.13d-1(b) or
            240.13d-2(b) or (c), check whether the person filing is a:
      (a) [ ] Broker or dealer registered under section 15 of the Act
              (15 U.S.C. 78o).
      (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
      (c) [ ] Insurance company as defined in section 3(a)(19) of the Act
              (15 U.S.C. 78c).
      (d) [ ] Investment company registered under section 8 of the Investment
              Company Act of 1940 (15 U.S.C 80a-8).
      (e) [X] An investment adviser in accordance with
              ss.240.13d-1(b)(1)(ii)(E);
      (f) [ ] An employee benefit plan or endowment fund in accordance with
              ss.240.13d-1(b)(1)(ii)(F);
      (g) [ ] A parent holding company or control person in accordance with
              ss. 240.13d-1(b)(1)(ii)(G);
      (h) [ ] A savings associations as defined in Section 3(b) of the Federal
              Deposit Insurance Act (12 U.S.C. 1813);
      (i) [ ] A church plan that is excluded from the definition of an
              investment company under section 3(c)(14) of the Investment
              Company Act of 1940 (15 U.S.C. 80a-3);
      (j) [ ] Group, in accordance with ss.240.13d-1(b)(1)(ii)(J).


      Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

      (a)   Amount beneficially owned: GAGNON SECURITIES LLC: 250,000

      (b)   Percent of class: GAGNON SECURITIES LLC: 5.3%
            Calculation of percentage of beneficial ownership is based on the
            4,761,100 outstanding shares of Issuer Common Stock set forth on the
            Issuer's most recent 10-Q filed on November 16, 2009.

      (c)   Number of shares as to which the person has:
            (i)   Sole power to vote or to direct the vote:
                  GAGNON SECURITIES LLC: 250,000
            (ii)  Shared power to vote or to direct the vote:
                  GAGNON SECURITIES LLC: 0
            (iii) Sole power to dispose or to direct the disposition of:
                  GAGNON SECURITIES LLC: 250,000
            (iv)  Shared power to dispose or to direct the disposition of:
                  GAGNON SECURITIES LLC: 0

ITEM 5  OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

Not applicable.

ITEM 6  OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

      The Funds described above in Item 2 have the right to receive or the power
to direct the receipt of dividends from, or the proceeds from the sale of,
securities held in their respective accounts. To the knowledge of the Reporting
Person, the interest in any such Fund does not exceed 5% of the class of
securities. The Reporting Person disclaims beneficial ownership of all such
securities.

ITEMS 7 - 9  Not Applicable

ITEM 10. CERTIFICATION

      (a)   The following certification shall be included if the statement is
            filed pursuant to ss.240.13d-1(b):

            By signing below I certify that, to the best of my knowledge and
            belief, the securities referred to above were acquired and are held
            in the ordinary course of business and were not acquired and are not
            held for the purpose of or with the effect of changing or
            influencing the control of the issuer of the securities and were not
            acquired and are not held in connection with or as a participant in
            any transaction having that purpose or effect. [X]


                                    SIGNATURE

      After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

                                    February 12, 2010
                                    -----------------
                                    Date

                                    GAGNON SECURITIES LLC

                                    /s/ Neil Gagnon
                                    ---------------
                                    Signature

                                    Neil Gagnon
                                    -----------
                                    Name/Title

The original statement shall be signed by each person on whose behalf the
statement is filed or his authorized representative. If the statement is signed
on behalf of a person by his authorized representative other than an executive
officer or general partner of the filing person, evidence of the
representative's authority to sign on behalf of such person shall be filed with
the statement, provided, however, that a power of attorney for this purpose
which is already on file with the Commission may be incorporated by reference.
The name and any title of each person who signs the statement shall be typed or
printed beneath his signature.

NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. SEE ss.240.13d-7 for other
parties for whom copies are to be sent.

ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE FEDERAL
CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001)