Patent · US Expired

Apparatus and method for testing semiconductor chip

US7420382B2 · kind B2 · utility

1Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 2005
Grant dateSep 2, 2008
Priority date
Expiry dateApr 28, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R3/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An apparatus includes a test board for testing electrical characteristics of the semiconductor chip; socket pins vertically disposed on the test board to electrically connect the test board, and external terminals of the semiconductor chip; socket springs interposed between the socket pins and the test board and making the socket pins vertically elastic; a plurality of laser beam transmitters vertically penetrating the socket pins, the socket springs, and the test board; and a laser beam source supplying laser beams to the laser beam transmitters.

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