Patent ID: 9521795
Filing Date: 2016-12-13
CPC Classification: H01L,H05K

Claim Text:
1. A method comprising: placing a package component group over a bottom jig, wherein the package component group comprises a plurality of first package components, with neighboring ones of the plurality of first package components contact with each other to form the package component group; placing a plurality of second package components over the plurality of first package components, wherein the plurality of first package components and the plurality of second package components in combination form a modified package component group, wherein first metal connectors in the plurality of first package components are aligned to respective second metal connectors of the plurality of second package components; placing a top jig over the plurality of first package components; securing the bottom jig, the top jig, and the modified package component group using a clamp to form an integrated jig assembly; stacking a plurality of weight units over the plurality of second package components, wherein the plurality of weight unit comprises: performing a metal-to-metal bonding on the integrated jig assembly to bond the first metal connectors to the second metal connectors, wherein each of the plurality of weight units applies a weight on respective underlying ones of the plurality of second package components individually during the metal-to-metal bonding.