Patent · US Expired

Planarization method and technique for isolating semiconductor islands

US4662986A · kind A · utility

5Cited by
4References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 27, 1985
Grant dateMay 5, 1987
Priority date
Expiry dateJun 27, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/76224
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A technique for producing planarized semiconductor surfaces and for isolating semiconductor islands.

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