Photodetector
US9728657B2 · kind B2 · utility
2Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2015 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Sep 8, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
Abstract
Provided is a photodetector including a substrate, a first doped region on the substrate, a second doped region having a ring structure, wherein the second doped region is provided in the substrate, surrounds the first doped region and is horizontally spaced apart from a side of the first doped region, an optical absorption layer on the first doped region, a contact layer on the optical absorption layer, a first electrode on the contact layer, and a second electrode on the second doped region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.