Magnetic recording head having secondary sub-gaps
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United States of America Patent
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Sep 21, 2010
Grant Date -
N/A
app pub date -
Feb 18, 2005
filing date -
Feb 18, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A magnetic head and method for making same which can be used for formatting or writing servo tracks or data on a tape. In one example, the magnetic head may include a magnetic thin film layer; at least one gap defined in the magnetic thin film layer; and at least one secondary sub-gap structure within the magnetic thin film layer, the at least one gap positioned proximate the at least one secondary sub-gap structure. Through the use of the secondary sub-gap structure, the gap (i.e. a record gap or channel) can be made thinner than in conventional heads.
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