Lapping method and station to achieve tight dimension controls for both read and write elements of magnetic recording heads and magnetic storage device formed thereby
US8390962B2 · kind B2 · utility
8Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2005 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Sep 24, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/1278
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A station for performing a lapping method to achieve tight dimension controls for both read and write elements of magnetic recording heads is disclosed. A recording head having a read head stripe height and a write head throat height is lapped using a plurality of lapping forces. At least one of the plurality of lapping forces includes a torque force. A lapping wedge angle is controlled using at least one torque force, which controls the offset between the recording head read head stripe height and the write head throat height.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.