发明授权
US07686341B2 Data carrier, method for the production thereof and gravure printing plate 失效
数据载体,其生产方法和凹版印刷版

Data carrier, method for the production thereof and gravure printing plate
摘要:
The invention relates to a data carrier having a security element that is at lest visually testable and has an embossing in at least a partial area, the embossing being a halftone blind embossing executed by inkless line intaglio printing, and to a method for producing the data carrier and a printing plate for blind-embossing a security element.
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