Tape-like magnetic medium
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United States of America Patent
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N/A
Issued Date -
Aug 14, 2003
app pub date -
Oct 22, 2002
filing date -
Oct 23, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tape-like magnetic medium comprising a flexible substrate and a magnetic layer thereon which comprises magnetic pigment and polymeric binder. The magnetic layer has a thickness of at least 3 .mu.m and a specific surface porosity of at least 80 cm.sup.2/cm.sup.2. Also provided are a production process for the medium and a high-speed process for the production of a copy of a magnetic master tape.
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