Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – For plural devices
Reexamination Certificate
2008-03-25
2008-03-25
Pham, Long (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
For plural devices
C257S686000
Reexamination Certificate
active
11086719
ABSTRACT:
A system and method for reducing noise in a multi-layer ceramic package are provided. With the system and method, additional shielding wires are inserted into the reference planes wherever there are no signal vias present. These additional lines in the reference planes force stronger signal interaction with the reference (vdd/gnd) thereby reducing the interaction between the signals in the signal layers. As a result, the noise present in the signals of the signal layers is reduced.
REFERENCES:
patent: 2966719 (1961-01-01), Park
patent: 5812380 (1998-09-01), Frech et al.
patent: 2005/0224961 (2005-10-01), Farquhar et al.
U.S. Appl. No. 11/146,441, filed Jun. 6, 2005, Haridass et al.
Chun Sungjun
Frankel Jason Lee
Haridass Anand
Klink Erich
Singletary Brian Leslie
International Business Machines - Corporation
Pham Long
Salys Casimer K.
Walder, Jr. Stephen J.
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