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Patent Searching and Data


Title:
ELASTIC WAVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/060522
Kind Code:
A1
Abstract:
Provided is an elastic wave device that can increase the Q value even when miniaturization has advanced. This elastic wave device 1 comprises a piezoelectric layer 2 comprising lithium niobate or lithium tantalite, and a first electrode 3 and a second electrode 4 that face in the direction intersecting the thickness direction of the piezoelectric layer 2, wherein the first electrode 3 and the second electrode 4 are adjacent electrodes to each other, and when the thickness of the piezoelectric layer 2 is d and the distance between centers of the first electrode 3 and the second electrode 4 is p, d/p is 0.5 or less.

Inventors:
NAGATOMO SHO (JP)
KIMURA TETSUYA (JP)
YAMANE TAKASHI (JP)
Application Number:
JP2020/036415
Publication Date:
April 01, 2021
Filing Date:
September 25, 2020
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03H9/145; H03H9/17; H03H9/25
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (3-8 Tokiwamachi 1-chome, Chuo-ku, Osaka-sh, Osaka 28, JP)
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