Patent ID: 6018463
Filing Date: 2000-01-25
Classification: H01L,H05K

Abstract:
A large non-hermetic package comprising:a substrate comprising a first printed wiring board;a high density multilayer interconnect attached to the substrate;a second printed wiring board disposed at an edge of the package that is bonded with an adhesive to the substrate, and that has a plurality of external attachment pads adjacent one edge and a plurality of interconnect pads adjacent the other edge wherein said second printed wiring board provides a transition from the plurality of interconnect pads to said external attachment pads that are used to interconnect to electronic components located on said second printed wiring board;electronic integrated circuit chips attached to the high density multilayer interconnect;a plurality of electrical interconnects interconnecting the interconnect pads to the electronic components, and interconnecting interconnect pads of the high density multilayer interconnect to the electronic integrated circuit chips;a chip on board coating disposed on the electronic integrated circuit chips and wire bonds; anda cover disposed over the package except for the external attachment pads exposed at the edge of the package.