A method and apparatus for drug product tracking (or other pharmaceutical, health care or
cosmetics products, and/or the packages or containers they are supplied with) using …

Microparticles 8 includes an optical substrate 10 having at least one diffraction grating 12
disposed therein. The grating 12 having a plurality of colocated pitches Λ which represent a …

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 …

A method and apparatus are provided for aligning optical elements or microbeads, wherein
each microbead has an elongated body with a code embedded therein along a longitudinal …

(57) ABSTRACT A method and apparatus f or performing an assay process, featuring
providing microbeads in a solution; placing the microbeads on an alignment substrate; …

Substrate; and the grating providing an output optical signal indicative of a code when
illuminated by an incident light signal propagating in free space, the output optical signal …

Microparticles 8 includes an optical substrate 10 having at least one diffraction grating 12
disposed therein. The grating 12 having a plurality of colocated pitches Λ which represent a …

The present invention features incorporating an adaptive spectral filter into a confocal
scanner optical arrangement or other suitable optical device to permit real time control of the …

An optical reader system 7 for diffraction grating-based encoded microbeads (or bead
reader system), comprises a reader box 100, which accepts a bead cell (or cuvette) 102 that …

3,968.476 4.011435 4,023,010 4,053,228 4,053,433 4,131,337 4,168,146 4,301,139
4,386,274 4400, 616 4,445,229 4,447,546 4,537,504 4,560,881 4,562,157 4,647,544 …