Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Chip mounted on chip
Patent
1997-10-08
1999-04-27
Saadat, Mahshid
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Chip mounted on chip
257778, 257738, 257779, H01L 2348, H01L 2352, H01L 2940
Patent
active
058982230
ABSTRACT:
The specification describes interconnection layouts for chip-on-chip packages using solder bump interchip connections as vias between a single level metal interconnection pattern on the lower support IC chip and another single level interconnection pattern on the upper IC chip. This arrangement allows for the formation of air isolated crossovers of features on either chip.
REFERENCES:
patent: 4764804 (1988-08-01), Sahara et al.
patent: 5034345 (1991-07-01), Shirahata
patent: 5480834 (1996-01-01), Lake et al.
patent: 5534465 (1996-07-01), Frye et al.
patent: 5585282 (1996-12-01), Wood et al.
patent: 5726500 (1998-03-01), Duboz et al.
Frye Robert Charles
Low Yee Leng
O'Connor Kevin John
Clark Jhihan B.
Lucent Technologies - Inc.
Saadat Mahshid
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