TRANSACTION AND ID CARDS HAVING SELECTED TEXTURE AND COLORING
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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https://www.forestdata.cn/dataDetail.html?id=e6117d1c-5c33-44d4-8c82-345aede94dac
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资源简介：
PROBLEM TO BE SOLVED: To provide metal cards and/or ceramic cards having a wide range of colors and textures. SOLUTION: Cards made in accordance with the invention include a specially treated thin decorative layer attached to a thick core layer of metal or ceramic material， where the thin decorative layer is designed to provide selected color(s) and/or selected texture(s) to a surface of the metal cards. Decorative layers for use in practicing the invention include: (a) an anodized metal layer; or (b) a layer of material derived from plant or animal matter (e.g.， wood， leather); or (c) an assortment of aggregate binder material (e.g.， cement， mortar， epoxies) mixed with laser reactive materials (e.g.， finely divided carbon); or (d) a ceramic layer; and (e) a layer of crystal fabric material. The cards may be dual interface smart cards which can be read in a contactless manner and/or via contacts. SELECTED DRAWING: Figure 1B
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
