Method and apparatus providing gradient index of refraction lens for image sensors
US8411375B2 · kind B2 · utility
19Cited by
10References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 25, 2008 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Feb 2, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/0087
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A lens and its method of making. The lens includes a material having a lower index of refraction and a material having a higher index of refraction arranged in a pattern such that the lens has a gradient effective index of refraction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.