Patent ID: 9165885
Filing Date: 2015-10-20
Classification: H01L

Abstract:
1. A staggered via redistribution layer (RDL) for a package, comprising: a first polymer layer disposed over a metal via, the first polymer layer having a plurality of first polymer vias; a first redistribution line disposed on the first polymer layer and within the plurality of first polymer vias, the first redistribution line contacting a top surface of the metal via within the plurality of first polymer vias; a second polymer layer disposed on the first redistribution line, the second polymer layer having a plurality of second polymer vias, wherein each of the plurality of second polymer vias is laterally offset from the plurality of first polymer vias, wherein the plurality of second polymer vias is laterally above the metal via; and a second redistribution line disposed on the second polymer layer and within the plurality of second polymer vias, the second redistribution line electrically coupled to the first redistribution line.