Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Reexamination Certificate
2006-12-12
2006-12-12
Patel, Ishwar (I. B.) (Department: 2841)
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
C361S794000
Reexamination Certificate
active
07148425
ABSTRACT:
The invention relates to a power plane system for suppressing ground bounce noise. The power plane system of the invention comprises a substrate, a power layer and a ground layer. The power layer comprises a plurality of metal units. There is a distance between two adjacent metal units. A plurality of bridges is used for connecting the metal units. The ground layer has a grounding metal plate. According to the invention, when the ground bounce noise occurs, the metal units can broaden the stop-band bandwidth. Therefore, the signals in the stop-band hardly are transmitted so as to suppress the ground bounce noise, and the high frequency ground bounce noise and the electromagnetic radiation can be suppressed efficiently.
REFERENCES:
patent: 5736796 (1998-04-01), Price et al.
patent: 5764491 (1998-06-01), Tran
patent: 5912809 (1999-06-01), Steigerwald et al.
patent: 6822526 (2004-11-01), Ryu et al.
patent: 6965168 (2005-11-01), Langhorn
Chen Sin-Ting
Lin Yen-Hui
Wang Ting-Kuang
Wu Tzong-Lin
Ladas and Parry LLP
National Sun Yat-Sen University
Patel Ishwar (I. B).
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