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Patent Searching and Data


Title:
縦結合共振子型表面波装置
Document Type and Number:
Japanese Patent JP4003511
Kind Code:
B2
Abstract:
A longitudinally coupled resonator-type surface acoustic wave device includes interdigital transducers including a plurality of electrode fingers disposed along the propagation direction of a surface acoustic wave on a surface acoustic wave device. An electrically discontinuous portion is provided in a central portion, in the finger overlap direction, in adjacent electrode fingers in adjacent interdigital transducers, and at least one floating electrode is disposed in the finger overlap direction in the electrically discontinuous portion.

Inventors:
Ikeura Mamoru
Hideya Horiuchi
Junya Ago
Michio Kadota
Application Number:
JP2002102224A
Publication Date:
November 07, 2007
Filing Date:
April 04, 2002
Export Citation:
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Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01L41/09; H03H9/145; H01L41/18; H01L41/187; H03H9/02; H03H9/64; H03H9/00; H03H9/25
Domestic Patent References:
JP2000295071A
Foreign References:
US5835990
Attorney, Agent or Firm:
Miyazaki saki main tax