US 11,687,757 B2
Integrated circuit, wireless communication card and wiring structure of identification mark
Shyh-Bin Kuo, Hsinchu (TW); Hsiang-Chi Cheng, Hsinchu (TW); Sin-Jie Wang, Hsinchu (TW); Yi-Cheng Lai, Hsinchu (TW); Chung-Hung Chen, Hsinchu (TW); and Shih-Hsing Hung, Hsinchu (TW)
Assigned to Au Optronics Corporation, Hsinchu (TW)
Filed by Au Optronics Corporation, Hsinchu (TW)
Filed on Mar. 1, 2022, as Appl. No. 17/684,395.
Application 17/684,395 is a continuation of application No. 17/082,033, filed on Oct. 28, 2020, granted, now 11,301,740.
Claims priority of provisional application 62/947,190, filed on Dec. 12, 2019.
Prior Publication US 2022/0188589 A1, Jun. 16, 2022
Int. Cl. G06K 19/077 (2006.01); H05K 1/02 (2006.01); G06K 19/07 (2006.01)
CPC G06K 19/0772 (2013.01) [G06K 19/0701 (2013.01); H05K 1/028 (2013.01); H05K 1/0296 (2013.01); H05K 2201/10098 (2013.01); H05K 2201/10159 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An integrated circuit, comprising:
a memory;
a power supply wiring;
a ground wiring;
at least one identification mark pattern respectively having a first conductive wiring and a second conductive wiring overlapping each other, wherein the first conductive wiring is electrically connected to the power supply wiring, and the second conductive wiring is electrically connected to the ground wiring,
wherein the at least one identification mark pattern is identified by one of hollow portion and contour of the first conductive wiring of the at least one identification mark pattern, and the second conductive wiring of the at least one identification mark pattern is disposed between the first conductive wiring of the at least one identification mark pattern and a substrate,
wherein the power supply wiring and the ground wiring are electrically connected to at least one rectifier, and a plurality of first channel directions, which are from a source to a drain, in a plurality of transistors of the memory are the same as a plurality of second channel directions, which are from the source to the drain, in a plurality of transistors of the at least one rectifier.