Patent ID: 9449941
Filing Date: 2016-09-20
CPC Classification: H01L

Claim Text:
1. A package-on-package (PoP) comprising: a substrate with a plurality of substrate traces; a first function chip on top of the substrate connected to the substrate by a first plurality of connections, wherein the first plurality of connections comprises solder bumps connected to the substrate by a plurality of solder mask defined (SMD) bonding pads on the surface of the substrate; and a second function chip on top of the first function chip, directly connected to the substrate by a plurality of bond-on-trace connectors on a bottom surface of the second function chip, wherein the plurality of bond-on-trace connectors are connected to the substrate without SMD bonding pads on the surface the substrate, wherein the second function chip has a first portion overlapping the first function chip and a second portion not overlapping the first function chip, and wherein the second function chip does not cover an entire surface of the first function chip.