Patent ID: 9674955
Date: 2017-06-06
CPC Classifications: H01L,H05K

Claim:
1. A tape carrier package comprising: a base element including an insulating film, a first adhesive layer disposed on the insulating film, and a second adhesive layer disposed beneath the insulating film; a circuit pattern layer laminated beneath the second adhesive layer of the base element; a through hole group passing through the base element, wherein the through hole group passes from a top surface of the first adhesive layer to a bottom surface of the second adhesive layer; a first plating layer disposed on the circuit pattern layer and formed in the through hole group; and a second plating layer disposed beneath the circuit pattern layer; wherein the through hole group includes a first through hole passing through the first adhesive layer, a second through hole passing through the insulating film, and a third through hole passing through the second adhesive layer; wherein a bottom surface of the first plating layer is in direct contact with a top surface of the circuit pattern layer, wherein a thickness of the first plating layer equals a thickness of the second adhesive layer, wherein a width of the second plating layer equals a width of the circuit pattern layer, and wherein the second plating layer has a top surface corresponding to a bottom surface of the circuit pattern layer.