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US08257784B2 Methods for identifying articles of manufacture 有权
识别制品的方法

Methods for identifying articles of manufacture
Abstract:
In one embodiment, a method for identifying an article of manufacture may include: producing a plurality of multilayer photonic structures, wherein each of the plurality of multilayer photonic structures has a unique intensity profile; incorporating one of the plurality of multilayer photonic structures that produces the unique intensity profile into a coating; and generating an electronic code corresponding to the unique intensity profile of one of the plurality of multilayer photonic structures.
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