IDENTIFICATION MEDIUM, METHOD FOR PRODUCING IDENTIFICATION MEDIUM, AND METHOD FOR USING IDENTIFICATION MEDIUM

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专利权人:

Zeon Corporation

发明人:

OOISHI, Hitoshi

申请号：

EP20150814788

公开号：

EP3163335(A4)

申请日:

2015.06.30

申请国别(地区):

欧洲专利局

年份:

2018

代理人:

摘要：

An identification medium including a metal foil and a cholesteric resin layer fragmentally disposed on the metal foil. In the identification medium, chromaticity coordinates (x1, y1) in an xy chromaticity diagram of the metal foil and chromaticity coordinates (x2, y2) in an xy chromaticity diagram of the cholesteric resin layer satisfy: 0 ‰¤ x 1 ˆ’ x 2 ‰¤ 0.02 and 0 ‰¤ y 1 ˆ’ y 2 ‰¤ 0.02.

来源网站：

中国工程科技知识中心

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http://www.ckcest.cn/home/