Metal thin film magnetic recording medium
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United States of America Patent
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Jan 2, 1996
Grant Date -
N/A
app pub date -
Mar 11, 1994
filing date -
Mar 15, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a metal thin film magnetic recording medium in which an underlying Cr layer, a magnetic recording layer and a protection layer are laminated in this order on a non-magnetic medium substrate. The medium substrate comprises an NiPX layer laminated in this order on a non-metallic base plate such as a glass base plate or a carbon base plate. X is one or mope elements belonging to a group of 4, 5 and 6 in a periodic table, and the content X is less than 20 at % in total. A heat accumulating non-magnetic layer having excellent heat conductivity may be formed on the non-metallic base plate and laminated between the NiPX layer thereon.
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