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公开(公告)号：CA2743985A1
公开(公告)日：2010-05-27
申请号：CA2743985
申请日：2009-11-17
Applicant: OPALUX INC
Inventor： ARSENAULT ANDRE , CHAN PAUL
Abstract: A security and/or authentication device comprising: a compressible photonic crystal having an ordered array of voids, the photonic crystal having a reflection peak, wherein compression against at least a portion photonic crystal results in a decrease of intensity of the reflection peak in at least that portion.
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