Magnetic head comprising recording part, reading part, heater for expansion of the recording part, and heater for expansion of the reading part
US8811127B1 · kind B1 · utility
12Cited by
2References
11Claims
0Family size
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Key dates
| Filing date | Feb 22, 2013 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Feb 22, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic head includes a reading part, a recording part that is laminated on the reading part in a planer view, a recording part expansion heater, a reading part expansion heater, and a thermal expansion promoting layer that is prepared at a position closer to the reading part than to the recording part and extends to an air bearing surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.