Polyimides for high-frequency applications
US6392004B1 · kind B1 · utility
2Cited by
9References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2000 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Aug 21, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31721
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
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° C. or greater. Such elements include circuit substrates and antennas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.