Thin-film magnetic head and method of manufacturing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Apr 26, 2001
app pub date -
Dec 13, 2000
filing date -
Oct 15, 1997
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A thin-film magnetic head includes an ABS and a three-layer pole tip structure located between the ABS and a position at a predetermined height from the ABS. The structure consists of a first pole, a recording gap layer and a second pole. The recording gap layer is made of a material having a etching rate equal to or higher than that of a material for making the first and second poles.
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