Patent ID: 9312150
Filing Date: 2016-04-12
CPC Classification: H01L

Claim Text:
1. A method of making a semiconductor device, comprising: providing a substrate singulated from a substrate panel; forming a conductive layer including a first metal on the substrate; providing a semiconductor wafer including a semiconductor die; forming a bump including a second metal on the semiconductor die; forming an adhesive layer over the substrate; positioning the substrate proximate to the semiconductor die to contact the bump to the conductive layer and form a bonding interface; curing the adhesive layer by heating the semiconductor die and bonding interface to a melting point of the first metal for a time sufficient to melt a portion of the first metal from the conductive layer and to cure the adhesive layer to secure the semiconductor die to the substrate; dissolving a portion of the bump by metallurgically reacting the bump and the conductive layer at the melting point of the first metal; forming a bonding phase at the bonding interface by mixing a dissolved portion of the bump with a molten portion of the first metal; and singulating the semiconductor wafer to separate the semiconductor die after forming the bonding phase.