Patent · US Expired

Wafer handling apparatus and method

US4529353A · kind A · utility

34Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 1983
Grant dateJul 16, 1985
Priority date
Expiry dateJan 27, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S414/141
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Compact apparatus characterized by cleanliness of operation, high throughput and low cost is designed for automatically loading and unloading wafer-carrying trays that are designed to be mounted in the reaction chamber of a processing system. A key component of the apparatus comprises a unique wafer vacuum chuck.

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