ELECTRIC/ACOUSTIC CONVERTER AND METHOD FOR MANUFACTURING THE SAME

Title:

ELECTRIC/ACOUSTIC CONVERTER AND METHOD FOR MANUFACTURING THE SAME

Document Type and Number:

Japanese Patent JP3844641

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide an electric/acoustic converter capable of surely fixing a frame and a housing by laser welding,
SOLUTION: A diaphragm unit part 3 is provided with a diaphragm frame 51, a diaphragm 52, and a resin film 53. The diaphragm 52 is arranged in the diaphragm 51. The resin film 53 is fixed to the diaphragm frame 51 and the diaphragm 52 with adhesive, and the diaphragm 52 is supported by the diaphragm frame 51 so that it can vibrate. The adhesive and the resin film 53 on the diaphragm frame 51 are removed from the position corresponding to the outermost peripheral part of the diaphragm frame 51 over a prescribed length.

Inventors:

Okaya Shigeo
Kiyoshi Urushiba
Suzuki Mikio

Application Number:

JP2000211707A

Publication Date:

November 15, 2006

Filing Date:

July 12, 2000

Export Citation:

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