Imager element, device and system with recessed transfer gate
US7768047B2 · kind B2 · utility
12Cited by
17References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2007 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Nov 29, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/014
Abstract
An imager element, device and imaging system image sensor pixel. The image sensor pixel includes a collection region, a floating diffusion region, and a transfer transistor having a recessed gate. The recessed gate is configured to couple the collection region to the floating diffusion region so that collected charge is transferred during activation. The recessed gate has an effective gate length greater than a physical gate length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.