Method of fabricating magnets
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United States of America Patent
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Jun 14, 1983
Issued Date -
N/A
app pub date -
Dec 22, 1980
filing date -
May 2, 1977
priority date (Note) -
Expired
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Abstract
This disclosure relates to a bias field magnet for magnetic bubble memory devices which is formed of alternating layers of hard and soft ferrite powders which are subsequently fired together to form a magnetic structure. A particular embodiment of the present invention resides in a structure where the hard ferrite layer is encased on both its top and bottom surfaces by soft ferrite layers.
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