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    • 7. 发明授权
    • Method and apparatus for labeling using diffraction grating-based encoded optical identification elements
    • 使用基于衍射光栅的编码光学识别元件进行标记的方法和设备
    • US07126755B2
    • 2006-10-24
    • US10661082
    • 2003-09-12
    • John A. MoonMartin A. PutnamAlan D. KerseyTuo LiJames DunphyF. Kevin Didden
    • John A. MoonMartin A. PutnamAlan D. KerseyTuo LiJames DunphyF. Kevin Didden
    • G02B5/18
    • G03H1/0272B01J2219/00459B01J2219/00463B01J2219/0047B01J2219/005B01J2219/00547B01J2219/00576B01J2219/00702B01L3/502761B01L3/5085B01L2200/0636B01L2200/0668B01L2300/0654B01L2400/0409B01L2400/0457B01L2400/0487G03H2210/53G03H2230/10G03H2270/20G03H2270/24
    • A method and apparatus for labeling an item using diffraction grating-based encoded optical identification elements 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 has one or more colocated pitches Λ which represent a unique identification digital code that is detected when illuminated by incident light 24. The incident light 24 may be directed transversely from the side of the substrate 10 (or from an end) with a narrow band (single wavelength) or multiple wavelength source, and the code is represented by a spatial distribution of light or a wavelength spectrum, respectively, or a combination thereof. The element 8 can provide a large number of unique codes, e.g., greater than 67 million codes, and can withstand harsh environments. The encoded element 8 may be used to label any desired item, such as large or small objects, products, solids, powders, liquids, gases, plants, minerals, cells and/or animals, or any combination of or portion of one or more thereof. The label may be used for many different purposes, such as for sorting, tracking, identification, verification, authentication, anti-theft/anti-counterfeit, security/anti-terrorism, or for other purposes. In a manufacturing environment, the elements 8 may be used to track inventory for production information or sales of goods/products.
    • 使用基于衍射光栅的编码光学识别元件8来标记物品的方法和设备包括具有设置在其中的至少一个衍射光栅12的光学基板10。 光栅12具有一个或多个共同定位的间距Lambda,其表示当被入射光24照射时检测到的唯一识别数字码。 入射光24可以从具有窄带(单波长)或多个波长源的基板10的一侧(或从一端)横向引导,并且代码由光或波长光谱的空间分布表示, 或其组合。 元件8可以提供大量独特的代码,例如大于6700万个代码,并且可以承受恶劣的环境。 编码元件8可以用于标记任何期望的物品,例如大的或小的物体,产品,固体,粉末,液体,气体,植物,矿物,细胞和/或动物,或者一个或多个的任何组合或部分 其中。 该标签可用于许多不同的目的,例如用于分类,跟踪,识别,验证,认证,防盗/防伪,安全/反恐,或用于其他目的。 在制造环境中,元件8可用于跟踪生产信息的库存或货物/产品的销售。
    • 10. 发明授权
    • Diffraction grating-based encoded microparticle assay stick
    • 基于衍射光栅的编码微粒测定棒
    • US07901630B2
    • 2011-03-08
    • US11226914
    • 2005-09-13
    • Martin A. PutnamJohn A. MoonTuo Li
    • Martin A. PutnamJohn A. MoonTuo Li
    • G01N33/00G01N33/556G03H1/00C12M1/34C12M3/00
    • G01N21/4788G01N21/6428G03H1/26G03H2001/0033
    • An assay stick 7 includes a transparent reaction vessel or tube 14 having one or more microbeads 8 disposed therein. The microbeads 8 have a plurality of unique identification digital codes based on a diffraction grating 12 disposed therein that are detected when illuminated by incident light 24. The incident light 24 may be directed transversely onto the side or onto an end of the tube 14 with a narrow band (single wavelength) or multiple wavelength source, in which case the code is represented by a spatial distribution of light or a wavelength spectrum, respectively. The assay stick 7 may be reused or disposed upon completion of the assay. Alternatively, the beads may be attached to a strip or planar surface. The encoded beads can also provide traceability, quality-control, and authenticity of each bead 8 to its source and/or to the chemistry on each bead 8. Also, the low sample volume of the assay stick allows for faster reactions and better sensitivity.
    • 测定棒7包括其中设置有一个或多个微珠8的透明反应容器或管14。 微珠8具有基于设置在其中的衍射光栅12的多个独特的识别数字代码,其被入射光24照射时检测。入射光24可以横向地被引导到管14的一侧或一端上,其中 窄带(单波长)或多波长源,在这种情况下,码分别由光或波长光谱的空间分布表示。 测定棒7可以在测定完成后重复使用或放置。 或者,珠可以附接到条或平面表面。 编码的珠粒还可以提供每个珠粒8到其来源和/或每个珠粒8上的化学物质的可追溯性,质量控制和真实性。而且,测定棒的低样本体积允许更快的反应和更好的灵敏度。