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US08118229B2 Method of printing marks on an optical article 有权
在光学制品上印刷标记的方法

Method of printing marks on an optical article
摘要:
An optical article with a plurality of optically detectable marks on a first surface of the optical article, wherein a mark of the plurality of marks has a thickness of less than or equal to about 1 micrometer, and wherein the plurality of optically detectable marks have uniform thickness.
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