| 发明名称 |
Electret device and electrostatic operating apparatus |
| 摘要 |
An electret device includes an electret film capable of storing charges and a charge outflow inhibition film formed on an upper surface of a region having a high charge density in the electret film and inhibiting the charges stored in the electret film from flowing out.
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| 申请公布号 |
US7804205(B2) |
申请公布日期 |
2010.09.28 |
| 申请号 |
US20070928475 |
申请日期 |
2007.10.30 |
| 申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
MURAYAMA YOSHIKI;MATSUBARA NAOTERU |
| 分类号 |
G11C13/02;H01L23/58 |
主分类号 |
G11C13/02 |
| 代理机构 |
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