Optical waveplate, method of manufacturing the same, and waveguide device using the same
US6115514A · kind A · utility
19Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1998 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Jul 7, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/12116
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical waveplate includes a polyimide with a film thickness of 20 .mu.m or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.