Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Chip mounted on chip
Reexamination Certificate
2011-06-28
2011-06-28
Arora, Ajay K (Department: 2892)
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Chip mounted on chip
C257S686000, C257SE25006, C438S109000
Reexamination Certificate
active
07969019
ABSTRACT:
Semiconductor device1includes: first wiring board5provided with a plurality of external terminals9on the under surface thereof; first semiconductor chip3with the under surface thereof mounted on the upper surface of first wiring board5; and second semiconductor chip10with the under surface thereof mounted on the upper surface of first semiconductor chip3. On the upper surface of first wiring board5, connecting pad6aand connecting pad6bare provided, while connecting pad6ais electrically connected with the under surface of first semiconductor chip3and connecting pad6bis arranged closely to an end portion of first semiconductor chip3. Connecting pad6aand connecting pad6bare electrically connected with external terminals9. Semiconductor device1further includes: connecting pad6cprovided as contacting or as being close to an upper end portion of second semiconductor chip10while being electrically connected with the upper surface of second semiconductor chip10, and wire12which electrically connects connecting pad6band connecting pad6c.
REFERENCES:
patent: 2003/0148598 (2003-08-01), Tu et al.
patent: 2004/0113253 (2004-06-01), Karnezos
patent: 2007/0075435 (2007-04-01), Suminoe et al.
patent: 2007/0241463 (2007-10-01), Yamaguchi et al.
patent: 9-260536 (1997-10-01), None
patent: 2001-085609 (2001-03-01), None
Anjoh Ichiro
Watanabe Mitsuhisa
Arora Ajay K
Elpida Memory Inc.
Young & Thompson
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