Flash chromium interlayer for improved hard disk magnetic recording performance
US5462796A · kind A · utility
23Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 1992 |
| Grant date | Oct 31, 1995 |
| Priority date | — |
| Expiry date | May 21, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A discontinuous flash chrome interlayer of about 5 to 25 .ANG. is incorporated between the upper and lower magnetic recording alloy layers. This flash non-magnetic separation layer is so thin that it is, in fact, a discontinuous layer, so that while the benefits of having some chrome flashed on the surface of the first portion of the magnetic recording alloy are achieved, yet the upper and lower magnetic recording alloy layers are not completely physically separated as they are in disks made according to known sputtering processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.