Magnetic barrier paper
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United States of America Patent
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Aug 14, 1990
Grant Date -
N/A
app pub date -
Mar 10, 1989
filing date -
Mar 10, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided by the present invention is a novel magnetic barrier paper comprised of low hysteresis iron powder. Preferably, the iron powder employed has a hysteresis value of not more than about 5 parts per thousand. The magnetic barrier paper of the present invention is particularly applicable to the protection of floppy disks, as well as electronic components, from stray magnetic fields.
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