Patent · US Expired

Chuck for holding a device under test

US7492172B2 · kind B2 · utility

8Cited by
764References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 2004
Grant dateFeb 17, 2009
Priority date
Expiry dateApr 21, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/2887
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A chuck that includes an upper surface for supporting a device under test and a conductive element that extends through the chuck to the upper surface of the chuck. The conductive element is electrically isolated from the upper surface of the chuck, and makes electrical contact with any device under test supported by the chuck.

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