Patent · US Expired

Method and apparatus for automatically positioning electronic dice within component packages

US5894218A · kind A · utility

85Cited by
72References
42Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 1996
Grant dateApr 13, 1999
Priority date
Expiry dateAug 7, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/53178
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus of assembling and disassembling semiconductor dice to be tested from the components of a temporary test package. A computer-controlled vision system is employed to align the dice with the temporary test package bases, and an automated robot arm system is employed to retrieve and assemble the dice with the various package components. The invention has particular utility in the burn-in and other pre-packaging testing of die to establish known good dice (KGD).

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