Patent · US Expired

Automatic preform dispenser

US4944446A · kind A · utility

7Cited by
4References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 2, 1989
Grant dateJul 31, 1990
Priority date
Expiry dateNov 2, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/654
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method and apparatus for feeding preform wire into a preform dispenser, cutting a piece of preform, transferring the preform to a location over an integrated circuit ceramic package, and placing the preform in the package prior to placing and attaching a die in the ceramic package.

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