Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MONSORNO RICHARD
  2. Issuer Name and Ticker or Trading Symbol
AMERICAN TECHNICAL CERAMICS CORP [amk]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President, Technology
(Last)
(First)
(Middle)
C/O AMERICAN TECHNICAL CERAMICS CORP, 2201 CORPORATE SQ. BLVD.
3. Date of Earliest Transaction (Month/Day/Year)
09/25/2007
(Street)

JACKSONVILLE, FL 32216
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 09/25/2007   D(1)   113,160 D $ 24.75 0 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Options $ 15.75 09/25/2007   D     40,000   (2) 10/25/2010 Common Stock 40,000 $ 9 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MONSORNO RICHARD
C/O AMERICAN TECHNICAL CERAMICS CORP
2201 CORPORATE SQ. BLVD.
JACKSONVILLE, FL 32216
      Vice President, Technology  

Signatures

 /S/RICHARD MONSORNO   09/25/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The dispositions reported in this Form 4 were in connection with the merger of the issuer with Admiral Byrd Acquisition Sub, Inc., a wholly-owned subsidiary of AVX Corporation, pursuant to that certain Agreement and Plan of Merger, dated as of June 15, 2007, by and among the issuer, AVX Corporation and Admiral Byrd Acquisition Sub, Inc. (the "Merger"), in exchange for the right to receive a cash payment equal to $24.75 per share.
(2) These options, which became fully vested on October 26, 2004 were converted in connection with the Merger in exchange for the right to receive a cash payment of $360,000, representing the right to receive $24.75 in cash less the applicable exercise price with respect to each share of common stock underlying such option.

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