Multi chip module with conductive adhesive layer

Details Multi chip module with conductive adhesive layer Multi chip module with conductive adhesive layer

1998-04-23

1999-12-14

Clark, Sheila V.

Active solid-state devices (e.g., transistors, solid-state diode

Combined with electrical contact or lead

Die bond

257782, H01L 2348, H01L 2352, H01L 2940

Patent

active

060021802

ABSTRACT:
A method for forming a chip module such as a multi chip module or a memory module is provided. The multi chip module includes a substrate configured to mount a plurality of semiconductor dice thereon. The substrate includes raised contact members formed in patterns that correspond to the locations of bond pads on the dice. An anisotropic conductive adhesive layer is formed between the contact members on the substrate and the bond pads on the dice to secure the dice to the substrate and form an electrical connection therebetween. In addition, an underfill layer can be formed between the dice and substrate to fill the gap therebetween and further secure the dice to the substrate. Conductors and input/output pads formed on the substrate form electrical paths to and from the contact members. To form a memory module, one or more multi chip modules can be mounted to a supporting substrate having an edge connector in electrical communication with the conductors and with contact members on the substrates.

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