Automatic cleaning apparatus for disks
US5081733A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 7, 1990 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Aug 7, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S134/902
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
An automatic cleaning apparatus for disks is provided with detachable sections including, in order, a workpiece feeder section, an isolation section, a scrubber section, a second isolator section, and a workpiece receiver section. Additional units of any section may also be assembled into the cleaning apparatus. Transfer of cleaning liquid from one section to another is minimized by adjustment of a weir on each section to establish a constant liquid level in each section. Additionally, turbulence at the opening from one section to another is reduced by use of a thin shutter closed by an apertured press piece. Improved arrangements for introducing workpieces into the cleaning fluid, scrubbing the workpieces, recovering the workpieces from the fluid and transporting the workpieces within the cleaning fluid are provided so that the entire scrubbing process can be carried out automatically and with minimum contamination or damage of the workpieces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.