Low-cost method of forming a color imager
US6852562B1 · kind B1 · utility
17Cited by
40References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2003 |
| Grant date | Feb 8, 2005 |
| Priority date | — |
| Expiry date | Dec 5, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/805
Abstract
A color imager, which has a plurality of photodiodes, utilizes a layer of metal that is formed over the photodiodes. The metal layer has a plurality of different sized openings that lie vertically over the photodiodes to physically diffract, and thereby filter, the incident light that strikes the color imager.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.