Thin film recording head with a localized coating to protect against corrosion and electrostatic discharge
US6879470B2 · kind B2 · utility
15Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2002 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Dec 4, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/3996
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A thin film head for use in a tape drive includes a read portion, a write portion, and a giant magnetoresistive (GMR) element disposed in the read portion. The read and write portions have a tape bearing surface. A sensing surface of the GMR element is recessed from the tape bearing surface as a result of a lapping process and coated with a material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.