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US 8,076,246 B2Granted
Method of manufacturing thermally assisted magnetic head
AssigneeTDK Corporation
InventorsKosuke Tanaka, Koji Shimazawa
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AssigneeTDK Corporation
InventorsKosuke Tanaka, Koji Shimazawa
Estimating the term…
A method comprises a first multilayer body forming step of forming a first multilayer body on a first cladding layer, the first multilayer body including a core layer and a first polishing stop layer in order from the first cladding layer side; a first multilayer body patterning step of pattering the first multilayer body, so as to expose the first cladding layer about the patterned first multilayer body; a second multilayer body forming step of forming a second multilayer body on the exposed first cladding layer and patterned first multilayer body, the second multilayer body including a second cladding layer and a second polishing stop layer in order from the first cladding layer side; and a removing step of polishing away a part of the second multilayer body formed on the first multilayer body.
A method of manufacturing a thermally assisted magnetic head, the method comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat…:…
Using thin films: fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating,…
Arrangements, methods or circuits: thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist…
Information storage based on relative movement between record carrier and transducer
About 3 years 5 months of term left · ends 13 Mar 2030 (estimated)
1. Field of the Invention
The present invention relates to a method of manufacturing a thermally assisted magnetic head which enables high-density recording.
2. Related Background Art
FIG. 1 is a perspective view of the hard disk drive in accordance with an embodiment;
FIG. 2 is a perspective view of an HGA 17;
FIG. 3 is an enlarged perspective view of a thermally assisted magnetic head 21 and its vicinity shown in FIG. 1;
Modes for carrying out the present invention will now be explained in detail with reference to the accompanying drawings. In the drawings, the same elements are referred to with the same numerals. For easier viewing of the drawings, ratios of sizes within and between constituents therein are arbitrary.
Hard Disk Drive
FIG. 1 is a perspective view of a hard disk drive in accordance with an embodiment.