Semiconductor packaging substrate and method of producing...

Details Semiconductor packaging substrate and method of producing... Semiconductor packaging substrate and method of producing...

2005-09-20

2005-09-20

Thomas, Tom (Department: 2815)

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

Combined with electrical contact or lead

Of specified configuration

C257S758000, C257S700000, C257S692000

Reexamination Certificate

active

06946738

ABSTRACT:
A semiconductor packaging substrate and a process for producing the same is disclosed. An internal circuit is formed by lamination. Then, external circuit is formed on the internal circuit by build-up technology. The substrate can be used as a flip-chip ball grid array packaging substrate with high density and small pitch. Furthermore, the substrate of the invention has a plurality of bonding pads thereon. The bump pads are divided into power/ground bump pads, first signal bump pads, and second signal bump pads. The first signal bump pads surround the power/ground bump pads and are surrounded by the second signal bump pads.

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