Patent ID: 9436902
Filing Date: 2016-09-06
CPC Classification: G06K,H01L,H01Q

Claim Text:
1. A Radio Frequency Identification (RFID) tag precursor comprising: an assembly including an RFID integrated circuit (IC), a nonconductive repassivation layer on a surface of the IC and confined within a perimeter of the surface, and a conductive redistribution layer on the repassivation layer and confined within the perimeter of the surface, in which at least a first portion of the redistribution layer is electrically connected to the IC through a first opening in the repassivation layer, a substrate including a first antenna terminal; a second opening, formed by an etchant, in a nonconductive barrier present on at least one of the first antenna terminal and the first portion of the redistribution layer, and an adhesive attaching the assembly to the substrate; wherein