| 发明名称 |
Surface acoustic wave device |
| 摘要 |
<p>A surface acoustic wave device is disclosed which includes a piezoelectric substrate upon which a surface wave propagation film, which is comprised of a diamond-like carbon or aluminum nitride film, is provided. <IMAGE></p> |
| 申请公布号 |
EP0820143(A2) |
申请公布日期 |
1998.01.21 |
| 申请号 |
EP19970112155 |
申请日期 |
1997.07.16 |
| 申请人 |
SANYO ELECTRIC CO. LTD |
发明人 |
TARUI, HISAKI;KURAMOTO, KEIICHI;HIRANO, HITOSHI;DOMOTO, YOICHI |
| 分类号 |
H03H9/02;H03H9/145;H03H9/25;(IPC1-7):H03H9/02 |
主分类号 |
H03H9/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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