Patent · US Expired

Method for testing an on-off function of semiconductor devices which have an isolated terminal

US5537054A · kind A · utility

20Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1986
Grant dateJul 16, 1996
Priority date
Expiry dateMar 10, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G3/006
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A testing method is provided for a semiconductor device which includes a control terminal and a pair of main terminals wherein one of the main terminals is isolated from the outside by a dielectric. First, a voltage which changes with time is applied to the isolated main terminal through the dielectric. A control signal which controls conduction and non-conduction of the semiconductor device is the applied to the control terminal. Following this, the test is made by detecting a displacement current flowing through at least one of the two main terminals and the control terminal.

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