Exhibit 99.1

   American Technical Ceramics Corp. Announces Stockholder Approval of Merger

     HUNTINGTON STATION, N.Y.--(BUSINESS WIRE)--Sept. 21, 2007--AMERICAN
TECHNICAL CERAMICS CORP. (ATC) (AMEX: AMK), a leading manufacturer of
high-performance electronic components, including capacitors and thin film
circuits for a broad range of commercial and military applications, today
announced that, at a Special Meeting of Stockholders held today at the Company's
facilities in Jacksonville, Florida, the Company's stockholders approved the
Agreement and Plan of Merger among the Company, AVX Corporation and Admiral Byrd
Acquisition Sub, Inc. Pursuant to the Agreement and Plan of Merger, Admiral Byrd
Acquisition Sub, Inc. will be merged with and into the Company and, at the
effective time of the merger, the Company, as the surviving corporation in the
merger, will become a wholly-owned subsidiary of AVX. Pursuant to the merger,
each outstanding share of Company common stock will be converted into the right
to receive $24.75 in cash and each outstanding option will be converted into the
right to receive $24.75 in cash less the applicable exercise price with respect
to each share of common stock underlying such option. The merger will be
completed as soon as practicable following the satisfaction of all remaining
conditions to the merger set forth in the Agreement and Plan of Merger. It is
currently contemplated that the closing of the transaction will occur during the
week ending September 28, 2007. As a result of the merger and effective as of
the close of business on the closing date, trading in the Company's common stock
on the AMEX will be suspended. The Company will withdraw its common stock from
listing on the AMEX as promptly as practicable after the merger.

     American Technical Ceramics Corp. designs, develops, manufactures and
markets electronic components, including ceramic multilayer capacitors and
custom thin film circuits. ATC's products are utilized in a broad range of
commercial and military applications, including wireless infrastructure, fiber
optics, medical electronics, semiconductor manufacturing equipment and satellite
equipment. ATC is headquartered in Huntington Station, New York.

     AVX Corporation is a leading worldwide manufacturer and supplier of a broad
line of passive electronic components and interconnect products. AVX's
components can be found in products manufactured in a very broad range of
industries worldwide. AVX is headquartered in Myrtle Beach, SC. AVX can be found
on the Internet at http://www.avx.com.

     "Safe Harbor" statement under the Private Securities Litigation Reform Act
of 1995:

     This release may contain forward-looking statements that are subject to
risks and uncertainties, including, but not limited to, economic and political
conditions, the impact of competitive products, product demand and market
acceptance risks, changes in product mix, costs and availability of raw
materials, fluctuations in operating results, delays in development of
highly-complex products, risks associated with international sales and sales to
the U.S. military, risk of customer contract or sales order cancellation and
other risks detailed from time to time in American Technical Ceramics Corp.'s
filings with the Securities and Exchange Commission, including, without
limitation, those contained under the caption "Item 1. BUSINESS - CAUTIONARY
STATEMENTS REGARDING FORWARD - LOOKING STATEMENTS" in the Company's Annual
Report on Form 10-K. These risks could cause the Company's actual results for
future periods to differ materially from those expressed in any forward-looking
statements made by, or on behalf of, the Company. Any forward-looking statements
represent the Company's expectations or forecasts only as of the date they were
made and should not be relied upon as representing its expectations or forecasts
as of any subsequent date. The Company undertakes no obligation to correct or
update any forward-looking statement, whether as a result of new information,
future events or otherwise, even if its expectations or forecasts change.


     CONTACT: American Technical Ceramics Corp.
              Kathleen M. Kelly, 631-622-4710
              Vice President
              invest@atceramics.com