Identification function paper and identification card
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United States of America Patent
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-
Jan 29, 2008
Grant Date -
Jun 9, 2005
app pub date -
Nov 17, 2004
filing date -
Nov 19, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides identification functional paper which allows secure measurement of a change in signal caused by a magnetic material and excels in waveform reproducibility when measuring a single specimen two or more times, and an identification card including the identification functional paper. The identification functional paper includes a magnetized fiber obtained by filling the fiber inner cavity with a magnetic material, and the identification card includes the identification functional paper.
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