Patent · US Expired

Sheet-fed treating device

US7232502B2 · kind B2 · utility

2Cited by
9References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 9, 2002
Grant dateJun 19, 2007
Priority date
Expiry dateSep 1, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J37/32211
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A processing unit of the invention is a single wafer processing unit including: a processing container that can be vacuumed; a stage arranged in the processing container, on which an object to be processed can be placed; a discharging pipe connected to a bottom part of the processing container and extending substantially downward linearly; a vacuum pump directly connected to the discharging pipe; and a stage-supporting pillar arranged to extend in a substantially central portion of the discharging pipe and in a direction of the discharging pipe, the stage-supporting pillar supporting the stage.

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