Metal-dielectric coating for image sensor lids
US7133197B2 · kind B2 · utility
26Cited by
18References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2004 |
| Grant date | Nov 7, 2006 |
| Priority date | — |
| Expiry date | Jun 30, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/282
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An infrared filter includes an optical filter stack disposed on a first surface of a substrate, the optical filter stack includes a plurality of dielectric layers and a plurality of metal layers alternating with the dielectric layers. and a transmission-enhancing coating. The infrared filter obtains an average transmission greater than or equal to 75% between 400 nm and 600 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.