Patent · US Active

Backside illumination image sensor chips and methods for forming the same

US9142588B2 · kind B2 · utility

1Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 2014
Grant dateSep 22, 2015
Priority date
Expiry dateOct 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.