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Electronic device

專(zhuān)利號(hào)
US10165673B2
公開(kāi)日期
2018-12-25
申請(qǐng)人
Renesas Electronics Corporation（JP Tokyo）
發(fā)明人
Tatsuaki Tsukuda
IPC分類(lèi)
H05K1/02; H03H7/01; H05K1/11; H05K1/18
技術(shù)領(lǐng)域
conductor,wiring,wire,board,in,pattern,terminal,mpc,fig,mpg
地域： Koutou-ku, Tokyo

摘要

A wiring board of an electronic device includes: a board terminal connected to a semiconductor device (semiconductor component); a wire formed in a first wiring layer and electrically connected to the board terminal; a conductor pattern formed in a second wiring layer and electrically connected to the wire via a via wire; and another conductor pattern formed in a third wiring layer and supplied with a first fixed potential. The conductor pattern and the another conductor pattern face each other with an insulating layer interposed therebetween, and an area of a region where the conductor pattern and the another conductor pattern face each other is larger than an area of the wire.

說(shuō)明書(shū)

The electronic device EDV8 shown in FIG. 19 includes a semiconductor device (semiconductor component, electronic component) 100 including a receiving circuit 102 (see FIG. 20), a semiconductor device (semiconductor component, electronic component) 200 including a transmitting circuit 202 (see FIG. 20), and a wiring board 10 on which the semiconductor devices 100 and 200 are mounted. The electronic device EDV8 includes a high-frequency communication circuit which transmits a high-frequency signal of substantially 5 GHz, for example, between the transmitting circuit 202 and the receiving circuit 102 shown in FIG. 20.

In a case in which a high-frequency signal is transmitted, it is preferable that noise in a frequency band other than a frequency band used for communication is reduced. In this case, by connecting a bandpass filter in a transmission path between the transmitting circuit 202 and the receiving circuit 102, it is possible to reduce noise other than noise in a predetermined frequency band. Also, as described later, noise of a frequency lower than a predetermined frequency band may be reduced by connection of a high-pass filter in the transmission path between the transmitting circuit 202 and the receiving circuit 102, in some cases.

權(quán)利要求

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