Data processing: measuring – calibrating – or testing – Testing system – Of mechanical system
Reexamination Certificate
2008-04-29
2008-04-29
Cosimano, Edward R (Department: 2863)
Data processing: measuring, calibrating, or testing
Testing system
Of mechanical system
C257S724000, C361S761000, C716S030000, C716S030000
Reexamination Certificate
active
07366629
ABSTRACT:
The present invention relates to a high frequency module board device having a high frequency transmitting and receiving circuit for modulating and demodulating a high frequency signal. The high frequency module board device comprises a base board (2) whose main surface is formed as a build-up surface (2a) and a high frequency circuit part (3) formed on the build-up surface of the base board (2) and having passive elements formed. The base board (2) has an area (29) in which wiring is not formed in a lower layer from a fourth wiring layer (8b). The high frequency circuit part (3) has an upper electrode part (36) and a lower electrode part (35) in positions corresponding to the area (29) in which the wiring is not formed. Thus, since a capacitance (18) is provided just above the area (29) in which the wiring is not formed, a parasitic capacity that the capacitance (18) receives from ground patterns (14) is reduced. Accordingly, the characteristics of the capacitance (18) can be improved.
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Hayashi Kuniyuki
Hirabayashi Takayuki
Kosemura Takahiko
Ogino Tatsuya
Okubora Akihiko
Cosimano Edward R
Depke Robert J.
Rockey, Depke & Lyons LLC.
Sony Corporation
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