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US 2012/0069470 A1Published application
PMR head with integrated side shield (ISS)
AssigneeHeadway Technologies, Inc.
InventorsCherng-Chyi Han, Lijie Guan, Joe Smyth, Moris Dovek
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Abstract
A PMR head comprises a substrate, a magnetic pole formed over the substrate, the pole having a pole tip having a cross-sectional tapered shape wherein the pole tip is surrounded by a write gap layer, an integrated shield comprising side shields on the substrate laterally surrounding the pole tip and a trailing shield overlying the pole tip and integral with the side shields.
Claims6
A perpendicular magnetic recording (PMR) head comprising:
- a substrate;
- a magnetic pole formed over said substrate, said magnetic pole having a pole tip having a cross-sectional tapered shape, said pole tip surrounded by a write gap layer;
- and
- an integrated shield comprising side shields on said substrate laterally surrounding said pole tip and a trailing shield overlying said pole tip and integral with said side shields.
1 more element
Dependencies are inferred from the claim text.