WIRING CIRCUIT BOARD

A wiring circuit board includes a metal supporting substrate, an insulating layer, and a conductive layer in this order in a thickness direction. The conductive layer includes at least one terminal portion and a wiring portion extending from the terminal portion. The metal supporting substrate has a...

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Bibliographic Details
Main Authors TAMAKI, Yusaku, SHIBATA, Shusaku, NIINO, Teppei
Format Patent
LanguageEnglish
Published 14.03.2024
Subjects
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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Summary:A wiring circuit board includes a metal supporting substrate, an insulating layer, and a conductive layer in this order in a thickness direction. The conductive layer includes at least one terminal portion and a wiring portion extending from the terminal portion. The metal supporting substrate has an opening portion. The opening portion penetrates the metal supporting substrate in the thickness direction and faces the terminal portion through the insulating layer. The opening portion has a first opening peripheral edge on one side in the thickness direction and a second opening peripheral edge on the other side in the thickness direction. In a projected view in the thickness direction, the second opening peripheral edge is disposed outside the first opening peripheral edge and extends along the first opening peripheral edge.
Bibliography:Application Number: US202118261231