Magnetic head with wear resistant layer having alignment mark, and magnetic head unit incorporating same
US5513057A · kind A · utility
9Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 1995 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | May 15, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/48
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Magnetic head unit comprising a magnetic head secured in a housing and having a magnetic head structure provided with a head face and at least one transducing gap terminating in the head face. A wear- resistant layer (31 ) having at least one alignment mark (35, 36, 37) occupying a defined position with respect to the transducing gap is provided on the head face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.