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
US8158239(B2)
申请公布日期
2012.04.17
申请号
US20060087046
申请日期
2006.12.19
申请人
TAKEUCHI ITSUO;HOSHINO HIDEKAZU;NASUBIDA SHINYA;NHK SPRING CO., LTD.
