The embodiment of the invention provides a vehicle, a photovoltaic system, a power conversion circuit and a power semiconductor device, and relates to the technical field of semiconductor devices. The power semiconductor device comprises a substrate, an epitaxial layer, a metal layer and a first passivation layer which are arranged in sequence, one surface, deviating from the substrate, of the epitaxial layer is sequentially divided into an active region and a terminal region from inside to outside; the metal layer covers the active region; the first passivation layer covers the terminal area and the first area of the metal layer, and the first area of the metal layer is adjacent to the terminal area; the first passivation layer is made of diamond-like carbon. The first passivation layer can well prevent moisture from entering the power semiconductor device, so that the quality and reliability of the power semiconductor device are ensured, and the service life of the power semiconductor device is prolonged.

    本申请实施例提供一种车辆、光伏系统、功率变换电路及功率半导体器件,涉及半导体器件技术领域。其中,功率半导体器件包括依次设置的衬底、外延层、金属层和第一钝化层;外延层背离衬底的一面由内向外依次分为有源区和终端区;金属层覆盖有源区;第一钝化层覆盖终端区与金属层的第一区域,金属层的第一区域与终端区相邻;第一钝化层的材料为类金刚石碳。第一钝化层可以比较好的阻挡湿气进入功率半导体器件内部,从而有利于保证功率半导体器件的质量和可靠性,延长功率半导体器件的使用寿命。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Vehicle, photovoltaic system, power conversion circuit and power semiconductor device


    Weitere Titelangaben:

    车辆、光伏系统、功率变换电路及功率半导体器件


    Beteiligte:
    ZHAO DONGGUANG (Autor:in) / CHEN GANG (Autor:in) / LUO SHIJIN (Autor:in) / WANG YADONG (Autor:in) / HUANG SONGYUN (Autor:in)

    Erscheinungsdatum :

    24.01.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / 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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    Power conversion circuit, vehicle power conversion system and vehicle

    JIANG LEI / BAO JIE / ZHAO HUICHAO et al. | Europäisches Patentamt | 2024

    Freier Zugriff

    SEMICONDUCTOR DEVICE, MANUFACTURING METHOD, POWER CONVERSION CIRCUIT, AND VEHICLE

    HAMADA KIMIMORI / HU FEI | Europäisches Patentamt | 2024

    Freier Zugriff

    SEMICONDUCTOR DEVICE, MANUFACTURING METHOD THEREOF, POWER CONVERSION CIRCUIT, AND VEHICLE

    HAMADA KIMIMORI / HU FEI | Europäisches Patentamt | 2024

    Freier Zugriff

    SEMICONDUCTOR DEVICE, POWER CONVERSION DEVICE, AND VEHICLE

    IKEDA KENTARO / TAKAO KAZUTO | Europäisches Patentamt | 2017

    Freier Zugriff

    Semiconductor device, power conversion apparatus, and vehicle

    IKEDA KENTARO / TAKAO KAZUTO | Europäisches Patentamt | 2021

    Freier Zugriff