MANUFACTURING METHOD FOR HEAT-DISSIPATING SUBSTRATE

A method of fabricating a heat dissipating board according to the present invention, includes: a substrate intermediate forming step of forming a substrate intermediate with an insulating layer made of an insulating resin material and a conducting layer made of a conductive material formed on the in...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAGI, TSUYOSHI, TANEKO, NORIAKI, TAKII, SHUKICHI
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A method of fabricating a heat dissipating board according to the present invention, includes: a substrate intermediate forming step of forming a substrate intermediate with an insulating layer made of an insulating resin material and a conducting layer made of a conductive material formed on the insulating layer; a through hole forming step of forming a through hole having an approximately cylindrical shape, the through hole penetrating through the substrate intermediate; an inserting step of inserting a heat conducting member to be disposed in the through hole, the heat conducting member being made of a metal and having an approximately cylindrical shape; and a plastically deforming step of plastically deforming the heat conducting member to be secured in the through hole. Prior to the inserting step, an annealing step of annealing the heat conducting member is performed.