- 专利标题: Joined body and surface acoustic wave device
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申请号: US17422769申请日: 2019-01-18
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公开(公告)号: US12081195B2公开(公告)日: 2024-09-03
- 发明人: Hirohisa Saito , Shigeru Nakayama , Yoshihiro Imagawa , Keiichiro Geshi , Yuichiro Yamanaka
- 申请人: Sumitomo Electric Industries, Ltd.
- 申请人地址: JP Osaka
- 专利权人: Sumitomo Electric Industries, Ltd.
- 当前专利权人: Sumitomo Electric Industries, Ltd.
- 当前专利权人地址: JP Osaka
- 代理机构: Faegre Drinker Biddle & Reath
- 国际申请: PCT/JP2019/001552 2019.01.18
- 国际公布: WO2020/148909A 2020.07.23
- 进入国家日期: 2021-07-14
- 主分类号: H03H9/25
- IPC分类号: H03H9/25 ; C04B35/443 ; H03H9/02 ; H03H9/64
摘要:
Provided is a joined body including a piezoelectric substrate and a polycrystalline spinel substrate provided on one main surface of the piezoelectric substrate, wherein the polycrystalline spinel substrate has a porosity of 0.005% or more and 0.6% or less.
公开/授权文献
- US20220069802A1 JOINED BODY AND SURFACE ACOUSTIC WAVE DEVICE 公开/授权日:2022-03-03
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