Title:
JOINED BODY AND SURFACE ACOUSTIC WAVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/148909
Kind Code:
A1
Abstract:
This joined body is provided with a piezoelectric substrate and a spinel polycrystalline substrate provided on one primary surface of the piezoelectric substrate, and the spinel polycrystalline substrate has a porosity of 0.005%-0.6%.
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Inventors:
SAITO HIROHISA (JP)
NAKAYAMA SHIGERU (JP)
IMAGAWA YOSHIHIRO (JP)
GESHI KEIICHIRO (JP)
YAMANAKA YUICHIRO (JP)
NAKAYAMA SHIGERU (JP)
IMAGAWA YOSHIHIRO (JP)
GESHI KEIICHIRO (JP)
YAMANAKA YUICHIRO (JP)
Application Number:
PCT/JP2019/001552
Publication Date:
July 23, 2020
Filing Date:
January 18, 2019
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H03H9/25; C04B35/443
Domestic Patent References:
| WO2015129302A1 | 2015-09-03 |
Foreign References:
| JP2016100729A | 2016-05-30 | |||
| JP2007214902A | 2007-08-23 | |||
| JP2016100744A | 2016-05-30 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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