Patent ID: 11901303
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A structure, comprising:
an integrated circuit;
an insulating encapsulation laterally encapsulating the integrated circuit;
a redistribution circuit structure disposed on the integrated circuit and the insulating encapsulation, the redistribution circuit structure comprising layers of dummy patterns and redistribution wirings electrically insulated from the dummy patterns, wherein the layers of dummy patterns are located above and electrically insulated from the integrated circuit;
under-ball metallurgy (UBM) patterns disposed on and electrically connected to the redistribution wirings of the redistribution circuit structure; and
conductive balls disposed on the UBM patterns, wherein the dummy patterns are laterally surrounded by the redistribution wirings.