US 12,332,480 B2
Identification system
Arpan Dasgupta, Beacon, NY (US); Norman W. Robson, Hopewell Junction, NY (US); and Danny Moy, Bethel, CT (US)
Assigned to GLOBALFOUNDRIES U.S. Inc., Malta, NY (US)
Filed by GlobalFoundries U.S. Inc., Malta, NY (US)
Filed on Dec. 6, 2022, as Appl. No. 18/076,265.
Prior Publication US 2024/0184045 A1, Jun. 6, 2024
Int. Cl. G02B 6/12 (2006.01); B23K 26/352 (2014.01); G02B 6/124 (2006.01); G02B 6/125 (2006.01); H01L 23/544 (2006.01); B41M 5/24 (2006.01)
CPC G02B 6/124 (2013.01) [B23K 26/352 (2015.10); G02B 6/125 (2013.01); H01L 23/544 (2013.01); B41M 5/24 (2013.01); G02B 6/12009 (2013.01); H01L 2223/544 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A structure comprising at least one waveguide structure and at least one damaged region positioned in a unique pattern on the at least one waveguide structure and which comprise scattering spots visible in non-visible light to identify a photonics chip, wherein the at least one waveguide structure comprises multiple waveguide structures split from a grating coupler.