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公开(公告)号：KR20200144671A
公开(公告)日：2020-12-30
申请号：KR20190072626
申请日：2019-06-19
Applicant: KOREAMINT , KOREA ELECTRONICS TECHNOLOGY
Inventor： KIM HYUN SOO , KIM SOO DONG , CHOE WON GYUN , KIM YOUNG SEOK , KIM YOUNGMIN , PARK KEUMHWAN
Abstract: 본발명은캡슐벽, 상기캡슐벽의내부에액상매질및 자성안료를함유하는마이크로캡슐을포함하며, 상기자성안료는적어도한층의자성층을포함하는시야각의존성색변환안료이고, 상기자성안료는상기캡슐내벽에고정되거나상기액상매질에의해유동성을갖는보안요소에관한것이다.
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