CIRCUIT BOARD AND ELECTRONIC DEVICE

To sufficiently reduce transmission loss and noise of a signal. A signal wire is located on a first surface of an insulation substrate, a first ground and a second ground are located on the first surface of the insulation substrate with the signal wire interposed therebetween, a via conductor electr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUGAI, Kouichirou, HIGUCHI, Shinya
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:To sufficiently reduce transmission loss and noise of a signal. A signal wire is located on a first surface of an insulation substrate, a first ground and a second ground are located on the first surface of the insulation substrate with the signal wire interposed therebetween, a via conductor electrically connecting the first ground and the lower ground is located at least one of on a second surface of the insulation substrate or inside the insulation substrate, and a side-surface metal layer electrically connecting the second ground and the lower ground is located on a third surface of the insulation substrate.