Patent · US Expired

Disk washing apparatus

US5092011A · kind A · utility

36Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 1991
Grant dateMar 3, 1992
Priority date
Expiry dateApr 12, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S134/902
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Described herein is a disk washing apparatus for cleaning substrate disks of memory medium, which comprises in combination: a loader section having a magazine for holding a number of disks to be washed; a working section including a washing stage arranged to wash the front and rear faces of a disk simultaneously with inner and outer peripheral surfaces thereof, a rinsing stage arranged to rinse the front and rear faces of a disk simultaneously with inner and outer peripheral surfaces thereof, and a drying stage adapted to dry a washed and rinsed disk by high speed spin drying; an unloader section having a magazine for accommodating cleaned disks; and disk transfer chucks adapted to transfer disks one after another stepwise from the loader section to the unloader section, passing the disks successively to the washing, rinsing and drying stages of the working section, the washing, rinsing, and drying stages being located in series between the loader and unloader sections.

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