Presented are metal-coated, polymer-encapsulated power semiconductor modules, methods for making/using such power modules, and vehicles with traction power inverters containing such power modules. A power electronics assembly includes one or more power semiconductor modules packaged inside an assembly housing. Each power module includes a substrate, a semiconductor device mounted on the substrate, a polymeric encapsulant encasing therein the substrate and semiconductor device, and an electrical lead connected to the semiconductor device and projecting from the polymeric encapsulant. A metallic or ceramic coating is applied to select sections of the polymeric encapsulant's exposed exterior surface. The metallic/ceramic coating may be a single metallic layer that covers substantially all of the exposed surface area of the polymeric encapsulant's exterior surface. An optional hydrophobic polymer layer, passivated layer, and/or oxidized layer may cover the exterior surface of this metallic layer. Alternatively, another metallic layer or intercalated lamellar microstructures may cover the metallic layer.


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    Titel :

    Metal-coated, polymer-encapsulated electronics modules and methods for making the same


    Beteiligte:
    COPPOLA ANTHONY M (Autor:in) / PACK SEONGCHAN (Autor:in) / LIU MING (Autor:in)

    Erscheinungsdatum :

    29.10.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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