Patent · US Expired

Elevating jig for semi-conductor wafers and similar articles

US4490087A · kind A · utility

13Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 1982
Grant dateDec 25, 1984
Priority date
Expiry dateJul 27, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S414/138
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An elevating jig, particularly suitable for elevating selected semi-conductor wafers in boat or holding member, has a base and a plurality of removable lift members which fit in apertures in the base. A locating member is provided at one end of the base for positioning a holding member on the base and the apertures in the base are at predetermined positions from the locating member. Lift members can be positioned as desired and when a holding member is placed on the jig certain wafers are lifted up, enabling easy withdrawal.

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