Patent · US Expired

Thin wafer insert

US7219802B2 · kind B2 · utility

6Cited by
11References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2002
Grant dateMay 22, 2007
Priority date
Expiry dateOct 14, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S206/832
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A plastic insert (20) is configured to provide support of thin wafers (49) in wafer carriers (45) configured to provide peripheral wafer support. The invention includes the insert, the insert in combination with a wafer carrier, and the, methods of supporting the thin wafers as provided by the insert and the wafer carrier. The insert (20), in preferred embodiments, utilize tabs (80, 82) that fit into the side wall recesses (53) and have an interference fit in said recesses to secure the insert in place.

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