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US 6,459,552 B1Granted
Thin film read head with coplanar pole tips
OwnerFrancis H. Liu, Hua-Ching Tong +1inventors
InventorsFrancis H. Liu, Hua-Ching Tong, Samuel W. Yuan
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Abstract
A thin film magnetic head employs pole tips members which are coplanar in a plane across the write gap to produce a written track whose width is determined by the thickness of the pole tip members. The coplanar write structure may be combined with a multilayer read sensor disposed in the write gap to produce a narrow trackwidth thin film magnetic head having both write and read capabilities.
Claims5
A magnetic thin film head for co-acting with a magnetic record member movable relative to said head comprising:
- a first magnetic pole member and a second magnetic pole member;
- a first pole tip member on said first pole member and a second pole tip member on said second pole member;
- said first pole tip member and said second pole tip member being coplanar with each other in a direction parallel to the direction of movement of the record member relative to said head;
- said first pole tip member and said second pole tip member having facing ends forming an inductive write gap therebetween, whereby the width of a track recorded on the record member by said head is determined by the thickness of said first pole tip member and said second pole tip member;
- and
- a multilayer read sensor element disposed in said inductive write gap.
3 more elements
Dependencies are inferred from the claim text.