EMBEDDING INFORMATION IN AN ELECTRONIC ELEMENT
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United States of America Patent
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Jun 13, 2019
app pub date -
Dec 12, 2017
filing date -
Dec 12, 2017
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Abstract
An electrical element is fabricated including an optically-detectable pattern of embedded information. An initial physical design is received for an electrical element that performs an electrical function, together with a pattern of information to be embedded in the electrical element. An encoding region is designated within the initial physical design of the electrical element. Information-encoding patterns are determined for one or more thin-film layers in the encoding region to form an optical layer structure that encodes the pattern of information. The initial physical design and the information-encoding patterns are combined into a modified physical design which is used to fabricate the electrical element. The fabricated electrical element performs the electrical function and forms an optically-detectable interference image including the embedded pattern of information when illuminated by incident light.
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