Write first design for a perpendicular thin film head
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United States of America Patent
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Jun 28, 2011
Grant Date -
Nov 11, 2004
app pub date -
May 6, 2003
filing date -
May 6, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A magnetic head structure for perpendicular recording and reading. The head structure includes a write head portion for writing data to magnetic media via lines of flux oriented substantially perpendicular to a surface of the media facing the write head portion. The write head portion includes a first pole piece having a first pole tip, a probe pole piece with a probe pole tip for emitting magnetic flux, an insulation stack positioned between the pole pieces, and one or more write coils embedded in the insulation stack. A read head portion that has been fabricated after the write head portion is coupled to the write head portion.
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