Optical waveplate, method of manufacturing the same, and waveguide device using the same
US5901259A · kind A · utility
21Cited by
2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 1997 |
| Grant date | May 4, 1999 |
| Priority date | — |
| Expiry date | Apr 11, 2017 |
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.