Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Reexamination Certificate
2006-11-01
2010-11-30
Mayo, III, William H (Department: 2831)
Electricity: conductors and insulators
Conduits, cables or conductors
Insulated
C174S1170FF, C174S1170FF
Reexamination Certificate
active
07842886
ABSTRACT:
A transmission cable includes multiple signal lines formed on one side of an insulation layer and a ground line between the signal lines. The ground line is electrically connected to a shield layer formed on a back surface side of the insulation layer and to a noise suppressing layer having a high electric resistance value than the shield layer via a metal bump embedded and formed in the insulation layer. The noise suppressing layer has a function to suppress an unwanted emission and/or a noise and has a function as an etching barrier layer serving as an etching stopper in a step for forming the metal bump. Thus, the transmission cable can suppress an increase of an electric resistance and a connection resistance between the ground line and the shield layer.
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Hanamura Kenichirou
Hori Tomomitsu
Kobayashi Kazuyoshi
K & L Gates LLP
Mayo, III William H
Sony Chemical & Information Device Corporation
Sony Corporation
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