Patent · US Expired

Method of semiconductor surface measurment and an apparatus for realizing the same

US5140272A · kind A · utility

23Cited by
14References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 1988
Grant dateAug 18, 1992
Priority date
Expiry dateSep 23, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R27/2605
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method of semiconductor surface measurement for measuring electrical characteristics of a surface of a semiconductor body is disclosed, by which an electrode, whose surface, which is opposite to the surface of a semiconductor substrate, is flat and the gap between the electrode and the surface is smaller than 0.5 .mu.m.

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