Power module, power semiconductor device and power module manufacturing method

The power module of the invention includes a power element, a metal base for dissipating heat from the power element, a lead frame electrically connected to electrodes of the power element, and a resin enclosure that encapsulates the power element so that one surface of the metal base and a part of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Yoshihara, Hiroyuki, Nakajima, Dai, Goto, Masaki, Kitai, Kiyofumi
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	The power module of the invention includes a power element, a metal base for dissipating heat from the power element, a lead frame electrically connected to electrodes of the power element, and a resin enclosure that encapsulates the power element so that one surface of the metal base and a part of the lead frame are exposed from the enclosure. The resin enclosure of the power module includes: a body portion in which the power element and a part of the lead frame are placed, and at a bottom surface of which the one surface of the metal base is exposed; and a rib portion which is placed on the bottom surface of the body portion so as to surround an outer periphery of the metal base, and is formed to protrude from the bottom surface of the body portion in a direction perpendicular to the bottom surface.