Patent · US Expired

System and method for processing workpieces

US4717461A · kind A · utility

362Cited by
8References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 1986
Grant dateJan 5, 1988
Priority date
Expiry dateSep 15, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S438/908
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method of processing a plurality of semiconductor wafers from a wafer cassette including a wafer transfer housing and one or more processing chambers. A wafer is removed from its cassette and transported through the transfer housing into one or more processing chambers for etching, deposition or other such operations. The processed wafer is replaced into its cassette after being transported back through the wafer transfer housing.

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