Photodetector and radiation detector
US10096630B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2017 |
| Grant date | Oct 9, 2018 |
| Priority date | — |
| Expiry date | Aug 31, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/807
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A photodetector according to an embodiment includes: a substrate with a first and second faces; pixels disposed to the substrate, each pixel including: light detection cells disposed on the first face, each light detection cell being surrounded by a first opening having a continuous closed curve shape formed on the second face when viewed from a side of the second face; a first wiring line disposed on the first face to connect to each of the light detection cells; first electrodes, each of the first electrodes being disposed in corresponding one of third openings and connected to the second face, the third openings being disposed in a first insulating film and exposing a part of respective regions of the light detection cells in the second face; a second electrode disposed on the second surface and connecting the first electrodes; and a light blocking material filled to the first opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.