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US 7,626,784 B2Granted
Magnetic recording head including main magnetic pole layer, return path layer, and coil layer
AssigneeTDK Corporation
InventorHisayuki Yazawa
Life of this patent
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Abstract
A magnetic recording head is provided. The magnetic recording head comprises a main magnetic pole layer, a return path layer, and a coil layer. A facing surface faces a recording medium. A yoke layer is formed between the main magnetic pole layer and the return path layer. An extending front end portion is formed in the return path layer and the yoke layer is disposed inside the extending front end portion in a height direction. The main magnetic pole layer includes a front end and a rear end and the yoke layer is formed on the surface of the main magnetic pole layer to cover the base.
Claims11
A magnetic recording head comprising:
- a main magnetic pole layer and a return path layer;
- a facing surface that faces a recording medium;
- and
- a coil layer,
- wherein a yoke layer is formed between the main magnetic pole layer and the return path layer,
- an extending front end portion that is formed in the return path layer, and the yoke layer is disposed inside the extending front end portion in a height direction,
- the main magnetic pole layer includes a front end and a rear end, and
- the yoke layer is formed on the surface of the main magnetic pole layer to cover the base.
5 more elements
Dependencies are inferred from the claim text.