Patent ID: 11972966
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. The method of claim 2, wherein the forming the redistribution wiring structure comprises:
forming a first insulating layer on the first surface of the carrier;
forming a first opening in the first insulating layer, the forming the first opening including performing a first exposure process based on a first correction value for each layer of exposure positions in the redistribution wiring structure at a level equal to or below the first insulating layer; and
forming a first redistribution wiring on the first insulating layer, the first redistribution wiring filling the first opening, the forming the first redistribution wiring including performing a second exposure process based on a second correction value for each layer of exposure positions in the redistribution wiring structure at a level equal to or below the first redistribution wiring, and the plurality of redistribution wiring layers including the first redistribution wiring.