Light phase grating device
US5978127A · kind A · utility
79Cited by
1References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Sep 9, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a light phase grating device, by forming the beam with a bottom conductive layer, the beam will not stick to the conductive layer on the substrate. The triboelectric effect will not occur, because the bottom conductive layer of the beam will allow charges to dissipate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.