WIRING CIRCUIT BOARD AND METHOD FOR PRODUCING WIRING CIRCUIT BOARD

Provided is a wiring circuit board that includes a metal supporting board; a first metal thin film; an insulating layer; a second metal thin film; and a conductive layer in order toward one side in a thickness direction. The metal supporting board includes a metal supporting layer and a surface meta...

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Bibliographische Detailangaben
Hauptverfasser:	SHIBATA, Shusaku, IKEDA, Takahiro, NIINO, Teppei
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS
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Beschreibung
Zusammenfassung:	Provided is a wiring circuit board that includes a metal supporting board; a first metal thin film; an insulating layer; a second metal thin film; and a conductive layer in order toward one side in a thickness direction. The metal supporting board includes a metal supporting layer and a surface metal layer. The surface metal layer is disposed on one surface in the thickness direction of the metal supporting layer and has higher conductivity than the metal supporting layer. The insulating layer has a through hole. The conductive layer has a via portion. The via portion is disposed in the through hole and is electrically connected to the metal supporting board.