Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Chip mounted on chip
Reexamination Certificate
2006-03-07
2006-03-07
Clark, Jasmine (Department: 2815)
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Chip mounted on chip
C257S781000, C257S784000, C257S685000
Reexamination Certificate
active
07009303
ABSTRACT:
Disclosed here is a multi-chip module enhanced in performance and reduced in size. A second semiconductor chip having bonding pads at the periphery of its surface is mounted over a first semiconductor chip laid out over a surface of a substrate back to back and a spacer is provided at a portion of the second semiconductor chip surface except for a predetermined area that includes the portion where the bonding pads are formed while a third semiconductor chip is mounted over the spacer, the third semiconductor having the same circuit function as the second semiconductor chip and oriented similarly to the second semiconductor chip. The bonding pads of the second and third semiconductor chips are connected to their corresponding electrodes formed over the substrate through bonding wires respectively, then the first to third semiconductor chips and the bonding wires provided over the substrate are all sealed by a sealing agent.
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Ishida Shinpei
Kuroda Hiroshi
Clark Jasmine
Miles & Stockbridge P.C.
Renesas Technology Corp.
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