发明名称 |
Composition including an item and an encoded optical substrate and a method for identifying an item |
摘要 |
A composition including an optical substrate removably attached to an item. At least a portion of the substrate has a diffraction grating embedded therein or thereon. The grating has a resultant refractive index variation at a grating location. The grating provides an output optical signal indicative of a code when illuminated by an incident light signal.
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申请公布号 |
US8498052(B2) |
申请公布日期 |
2013.07.30 |
申请号 |
US20090559304 |
申请日期 |
2009.09.14 |
申请人 |
MOON JOHN A.;PUTNAM MARTIN A.;KERSEY ALAN D.;FOURNIER DAVID;PINTO JOSEPH;ILLUMINA, INC. |
发明人 |
MOON JOHN A.;PUTNAM MARTIN A.;KERSEY ALAN D.;FOURNIER DAVID;PINTO JOSEPH |
分类号 |
G02B5/18 |
主分类号 |
G02B5/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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