Title:
SUBSTRATE WITH BUILT-IN FUNCTIONAL ELEMENT
Document Type and Number:
WIPO Patent Application WO/2011/125354
Kind Code:
A1
Abstract:
Provided is a substrate with a built-in functional element, which has the functional element on a metal plate, wherein crosstalk-noise among signal wirings can be reduced, and characteristic impedance can be matched furthermore. The substrate with a built-in functional element comprises: a metal plate that has a recess section, and that is to become the ground; a functional element that is arranged at the recess section, and has electrode terminals; a first insulation layer that covers the functional element, and that is arranged to be in contact with the metal plate; a first wiring layer comprising first signal wirings that are arranged in opposition to the metal plate with the first insulation layer interposed therebetween; a second insulation layer that covers the first wiring layer; and a ground layer comprised of a ground plane that is arranged in opposition to the first wiring layer with the second insulation layer interposed therebetween.
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Inventors:
OHSHIMA DAISUKE (JP)
MORI KENTARO (JP)
NAKASHIMA YOSHIKI (JP)
KIKUCHI KATSUMI (JP)
YAMAMICHI SHINTARO (JP)
MORI KENTARO (JP)
NAKASHIMA YOSHIKI (JP)
KIKUCHI KATSUMI (JP)
YAMAMICHI SHINTARO (JP)
Application Number:
PCT/JP2011/050874
Publication Date:
October 13, 2011
Filing Date:
January 19, 2011
Export Citation:
Assignee:
NEC CORP (JP)
OHSHIMA DAISUKE (JP)
MORI KENTARO (JP)
NAKASHIMA YOSHIKI (JP)
KIKUCHI KATSUMI (JP)
YAMAMICHI SHINTARO (JP)
OHSHIMA DAISUKE (JP)
MORI KENTARO (JP)
NAKASHIMA YOSHIKI (JP)
KIKUCHI KATSUMI (JP)
YAMAMICHI SHINTARO (JP)
International Classes:
H01L23/12; H05K3/46
Domestic Patent References:
| WO2008056499A1 | 2008-05-15 |
Foreign References:
| JP2001144245A | 2001-05-25 | |||
| JP2007115772A | 2007-05-10 | |||
| JPH06302960A | 1994-10-28 |
Attorney, Agent or Firm:
MIYAZAKI, Teruo et al. (JP)
Akio Miyazaki (JP)
Akio Miyazaki (JP)
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Claims: