Patent · US Expired

Roller positioning apparatus

US5809832A · kind A · utility

5Cited by
5References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 1996
Grant dateSep 22, 1998
Priority date
Expiry dateAug 29, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/18648
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor processing system, such as a system for scrubbing both sides of a wafer at the same time, that includes a brush box containment apparatus for use with highly-acidic or other volatile chemical solutions, a roller positioning apparatus and a (brush) placement device.

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