Thin-film magnetic head
US5901021A · kind A · utility
27Cited by
4References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1996 |
| Grant date | May 4, 1999 |
| Priority date | — |
| Expiry date | May 17, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3106
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A thin-film magnetic head includes an upper protective layer, a lower protective layer, and a head forming layer which is provided between the upper and lower protective layers, and the head forming layer further includes a recording head forming layer, a reproducing head forming layer, and a separation layer which is provided between the recording and reproducing head forming layers, while any one of the upper protective layer, the lower protective layer and the separation layer is formed by a diamond-like carbon coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.