HEAT DISSIPATION MEMBER

HEAT DISSIPATION MEMBER

Provided is a substantially rectangular flat heat dissipation member including: a composite portion where silicon carbide having voids is impregnated with metal; and a metal portion that is different from the composite portion. Here, a proportion of a volume of the metal portion to a total volume of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GOTO, Daisuke, ISHIHARA, Yosuke
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:Provided is a substantially rectangular flat heat dissipation member including: a composite portion where silicon carbide having voids is impregnated with metal; and a metal portion that is different from the composite portion. Here, a proportion of a volume of the metal portion to a total volume of the heat dissipation member is 2.9 % or higher and 12% or lower. In addition, when a length of a diagonal line of the rectangular flat heat dissipation member is represented by L, in a top view where one main surface of the heat dissipation member is a top surface, 40% or higher of a total volume of the metal portion is present in a region D within a distance of L/6 from an apex of any one of four corners of the heat dissipation member. Further, a hole that penetrates the metal portion in the region D is provided.