Patent · US Expired

Electron device testing apparatus having high current and low current testing features

US6781364B2 · kind B2 · utility

3Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 10, 2003
Grant dateAug 24, 2004
Priority date
Expiry dateJan 10, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/31905
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A testing apparatus for testing an electron device, has a first supply unit that supplies a first current to the electron device; a first feedback circuit which feeds back voltage applied to the electron device to the, first supply unit; a first switch which switches to whether or not connect electrically the electron device to the first feedback circuit; a second supply unit that supplies a second current to the electron device, the second supply unit being separated from the electron device by the first switch.

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