Backside illumination image sensor chips and methods for forming the same
US9142588B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2014 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Oct 28, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A die includes a first plurality of edges, and a semiconductor substrate in the die. The semiconductor substrate includes a first portion including a second plurality of edges misaligned with respective ones of the first plurality of edges. The semiconductor substrate further includes a second portion extending from one of the second plurality of edges to one of the first plurality of edges of the die. The second portion includes a first end connected to the one of the second plurality of edges, and a second end having an edge aligned to the one of the first plurality of edges of the die.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.