| 发明名称 |
POLYIMIDES FOR HIGH-FREQUENCY APPLICATIONS |
| 摘要 |
<p>An element of a gigahertz electronic device is provided comprising a polyimide selected to have an imide equivalent weight of 375 or greater. The polyimide preferably has a dielectric loss at 12.8 GHz of 0.009 or less and a Tg of 260 DEG C or greater. Such elemen ts include circuit substrates and antennas.</p> |
| 申请公布号 |
WO0216473(A1) |
申请公布日期 |
2002.02.28 |
| 申请号 |
WO2000US35077 |
申请日期 |
2000.12.21 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
CHIEN, BERT, T.;EZZELL, STEPHEN, A. |
| 分类号 |
C08G73/10;H01B3/30;H01L23/14;H05K1/03;H05K3/28;(IPC1-7):C08G73/10 |
主分类号 |
C08G73/10 |
| 代理机构 |
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| 主权项 |
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