Image capturing device and camera
US11094731B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2019 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Feb 11, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/807
Abstract
An image capturing device is provided. The device comprises a photodiode including a first semiconductor region of a first conductivity type and a second semiconductor region of a second conductivity type, a third semiconductor region of the second conductivity type, an insulator arranged between the photodiode and the third semiconductor region and a channel stop region of the first conductivity type which covers a side and a bottom surface of the insulator. The channel stop region includes a fourth semiconductor region arranged between the insulator and the second semiconductor region and a fifth semiconductor region arranged between the insulator and the third semiconductor region. An impurity concentration in the fourth semiconductor region is higher than an impurity concentration in the fifth semiconductor region and the impurity concentration in the fifth semiconductor region is not less than an impurity concentration in the first semiconductor region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.