Laminated perpendicular writer head including amorphous metal
AssigneeWestern Digital (Fremont), LLC
InventorsYunJun Tang, Kyusik Sin, Yingjian Chen
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Abstract
A writer pole for perpendicular recording and a method of manufacturing the same are provided. The writer pole comprises a laminated structure of a first magnetic layer, a second magnetic layer, and a non-magnetic amorphous metal spacer layer disposed between the first and second magnetic layers. Additional ferromagnetic and non-magnetic layers can be added, in an alternating fashion, to produce other laminated structures. Forming a perpendicular writer element includes forming a first magnetic layer, forming a spacer layer on the first magnetic layer, and forming a second magnetic layer on the spacer layer. Forming the perpendicular writer element can further include trimming the writer pole.
Claims20
A writer pole for perpendicular recording, the writer pole comprising:
- a first magnetic layer;
- a second magnetic layer;
- and
- a spacer layer disposed between the first and second magnetic layers and comprising a non-magnetic amorphous metal.
A method of manufacturing a perpendicular recording head, the method comprising:
- forming a reader element;
- and
- forming a perpendicular writer element including forming a writer pole by forming a first magnetic layer,
- forming a spacer layer, comprising a non-magnetic amorphous metal, on the first magnetic layer, and
- forming a second magnetic layer on the spacer layer.
Dependencies are inferred from the claim text.