Patent ID: 11901304
Assignee: GLOBALFOUNDRIES U.S. INC.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC H

Claim 6:
7. A method of verifying an integrated circuit (IC) structure, the method comprising:
detecting a layer of fluorescent material on an IC component, wherein the detected layer of fluorescent material defines a portion of an identification marker for the IC structure;
detecting the absence of fluorescent material on an adjacent IC component, wherein the detected layer of fluorescent material and the adjacent IC component define another portion of the identification marker for the IC structure; and
comparing the identification marker with a verification map for the IC structure to verify the IC structure, wherein the verification map indicates at least one of the location of the fluorescent material and an identifying characteristic of the IC component, the verification map further including a representation of an area of the IC structure, wherein the verification map includes a subset of a plurality of IC components having the fluorescent material.