Composition adapted for use in texturing process for magnetic disc
US5626640A · kind A · utility
3Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 1996 |
| Grant date | May 6, 1997 |
| Priority date | — |
| Expiry date | Apr 12, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/82
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A composition capable of forming uniform textured streaks and eliminating or reducing the occurrence of protrusions to as few as possible on the ground layer (the ground layer of a magnetic layer) of a magnetic disc. The composition comprises minute grains or powder of diamond etc., an alkylene gycol monoalkyl ether and a fatty acid or a metallic salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.