Patent · US Expired

Integrated circuit device with isolated circuit elements

US5767561A · kind A · utility

65Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1997
Grant dateJun 16, 1998
Priority date
Expiry dateMay 9, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/762
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A device with at least one noise-sensitive element, at least one noise-generating element, and a porous silicon barrier in the substrate is disclosed. The porous silicon barrier isolates the noise-sensitive element from the signals coupled into the substrate by the noise-generating element. A process for making this device is also disclosed.

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