Stiff discrete insert array for thermal PTR management with desired induced stress state that reduces tendency for write pole erasure
US9099116B2 · kind B2 · utility
0Cited by
12References
5Claims
0Family size
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Key dates
| Filing date | Aug 28, 2013 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Aug 28, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/6082
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present invention generally relate to a magnetic device having a discontinuous array of columns disposed near a magnetic pole. Each column has a length extending perpendicular to an air bearing surface and a width. The length is greater than the width.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.