Patent · US Expired

On chip transformer isolator

US7447492B2 · kind B2 · utility

56Cited by
158References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 3, 2004
Grant dateNov 4, 2008
Priority date
Expiry dateApr 19, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/3011
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An integrated circuit having voltage isolation capabilities includes a first area of the integrated circuit containing functional circuitry that is located in the substrate of the integrated circuit. A second area of the integrated circuit contains an integrated RF isolation circuitry for voltage isolating the functional circuitry. The RF isolation circuitry is located in the metal layers of the integrated circuit.

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