Disk for cleaning magnetic head of disk drive
US5373409A · kind A · utility
Inventor
Key dates
| Filing date | Mar 24, 1993 |
| Grant date | Dec 13, 1994 |
| Priority date | — |
| Expiry date | Mar 24, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/41
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk for use in cleaning a magnetic head of disk drive comprises an inner ring of memory and an outer ring made of a tough and yet gentle material for use in removing impurities from the surface of the magnetic head. The disk is capable of doing an automatic inspection of the status of the cleaning process in accordance with a control program, and of sending out an instruction to trigger an automatic interruption of the cleaning process at such time when the job of cleaning the magnetic head is completed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.