Patent · US Active

Integrated circuits separated by through-wafer trench isolation

US8853816B2 · kind B2 · utility

4Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 2012
Grant dateOct 7, 2014
Priority date
Expiry dateDec 5, 2032

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D84/038
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An isolated semiconductor circuit comprising: a first sub-circuit and a second sub-circuit; a backend that includes an electrically isolating connector between the first and second sub-circuits; a lateral isolating trench between the semiconductor portions of the first and second sub-circuits, wherein the lateral isolating trench extends along the width of the semiconductor portions of the first and second sub-circuits, wherein one end of the isolating trench is adjacent the backend, and wherein the isolating trench is filled with an electrically isolating material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.