Patent ID: 9373567
Filing Date: 2016-06-21
CPC Classification: H01L

Claim Text:
1. A method of making a package structure, the method comprising: a) forming a horizontal plate and a plurality of first conductive bumps by two separate molds, wherein said horizontal plate is conductive and arranged at a bottom of a lead frame; b) stamping said plurality of first conductive bumps on corresponding locations of said horizontal plate; c) arranging a first component above and electrically connected to said horizontal plate of said lead frame by said plurality of first conductive bumps; d) forming a plurality of second conductive bumps on said horizontal plate outside of a region covered by said first component, wherein each of said plurality of second bumps extends to a height greater than said first component; e) forming a plurality of third conductive bumps on said plurality of second conductive bumps; and f) arranging a second component above said first component and electrically connecting said second component to said plurality of third conductive bumps.