Composite type thin-film magnetic head
US6125018A · kind A · utility
155Cited by
8References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 10, 1998 |
| Grant date | Sep 26, 2000 |
| Priority date | — |
| Expiry date | Jun 10, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/4886
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A composite type thin-film magnetic head. In one embodiment, a projection is formed on a second magnetic film layer of a composite type thin-film magnetic head. The position where this projection is formed is the area where a second magnetic film layer and third magnetic film layer face each other across a gap film layer. A width b of the projection is smaller than a width a of the third magnetic layer film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.