Disc Structure and Method For Manufacturing Same
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United States of America Patent
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Issued Date -
Aug 28, 2008
app pub date -
Dec 27, 2005
filing date -
Dec 28, 2004
priority date (Note) -
Abandoned
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Abstract
An object of the present invention is to provide a disk structure and a disk-structure manufacturing method that are capable of preventing the degradation of a signal-to-noise ratio resulting from the occurrence of an eddy current. On a disk 101, a thin film of metal 102, a magnetic thin film 103, and an insulating film 104 are formed in this order, and on the insulating film 104, an RF-ID chip 106 and components of an antenna 109 connected to the RF-ID chip 106 are formed.
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