Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Reexamination Certificate
2005-08-16
2005-08-16
Gibson, Randy W. (Department: 2841)
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
C174S255000, C174S266000, C361S795000
Reexamination Certificate
active
06930258
ABSTRACT:
Through holes36are formed to penetrate a core substrate30and lower interlayer resin insulating layers50, and via holes66are formed right on the through holes36, respectively. Due to this, the through holes36and the via holes66are arranged linearly, thereby making it possible to shorten wiring length and to accelerate signal transmission speed. Also, since the through holes36and the via holes66to be connected to solder bumps76(conductive connection pins78), respectively, are directly connected to one another, excellent reliability in connection is ensured.
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Iwata Yutaka
Kawasaki Yogo
Satake Hiroaki
Tanabe Tetsuya
Gibson Randy W.
Ibiden Co. Ltd.
Patel Ishwar (I. B).
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