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发明名称
Identification Medium
摘要
An identification medium provided with a laminated structure comprises laminated layers of a magnetically controllable layer, in which magnetic microcapsules are dispersed, and a color shifting layer.
申请公布号
US2009162625(A1)
申请公布日期
2009.06.25
申请号
US20060087046
申请日期
2006.12.19
申请人
NHK SPRING CO., LTD.
发明人
TAKEUCHI ITSUO;HOSHINO HIDEKAZU;NASUBIDA SHINYA
分类号
G02F1/17;B32B7/02;B42D15/10;G02F1/19;G03H1/18
主分类号
G02F1/17
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代理人
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