Disc head slider having rails with enclosed depressions
US6678119B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2001 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Nov 27, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/6005
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disc head slider includes a longitudinal axis, a recessed region, and first and second elongated rails extending generally parallel to the longitudinal axis and being disposed about the recessed region. Each rail forms a respective bearing surface. First and second elongated depressions extend along the first and second rails, respectively, and each has a depression floor which is recessed relative to the respective bearing surface. First and second convergent channels are recessed within the first and second rails, respectively, relative to the respective bearing surfaces, and include a leading channel end open to fluid flow from the first and second depressions, respectively, channel side walls and a trailing channel end closed to the fluid flow and positioned forward of a portion of the respective bearing surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.