Magnetic recording tape
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United States of America Patent
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Nov 23, 2004
Grant Date -
Dec 25, 2003
app pub date -
Jun 17, 2003
filing date -
Jun 18, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A magnetic recording tape comprising a magnetic layer, a flexible support and a backcoating layer in this order, wherein the backcoating layer has on its surface 10 to 200 projections having a height of 50 to 100 nm per 90 .mu.m side square as measured with an atomic force microscope and 10 or fewer projections having a height greater than 100 nm and not greater than 500 nm per 90 .mu.m side square as measured with an atomic force microscope, and the tape has a curvature of 3 to 30% of the tape width per meter.
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