Optical device, lens-barrel, image pickup apparatus and electronic apparatus
US7621682B2 · kind B2 · utility
2Cited by
5References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2006 |
| Grant date | Nov 24, 2009 |
| Priority date | — |
| Expiry date | Feb 17, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0006
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical device includes a transparent substrate, and a multi-layer film including a dielectric film having a multi-layer structure formed on the transparent substrate, and a transparent conductive thin film having a predetermined thickness formed at a part of the dielectric film. The transparent conductive thin film may be formed at the outermost layer of the dielectric film and may have a thickness of 5 to 20 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.