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    • 4. 发明授权
    • Power semiconductor device
    • 功率半导体器件
    • US06762491B1
    • 2004-07-13
    • US10445931
    • 2003-05-28
    • Shinji HataeKorehide Okamoto
    • Shinji HataeKorehide Okamoto
    • H01L2334
    • H01L23/3735H01L25/072H01L2224/32225H01L2924/1305H01L2924/13055H01L2924/00
    • The present invention is to provide a power semiconductor device including a heat radiator having a principal surface and an insulating substrate bonded on the principal surface of the heat radiator via a first solder layer. The power semiconductor device also includes at least one semiconductor chip mounted on the insulating substrate via a second solder layer. The insulating substrate has a thin-layer and thick-layer edges, and is bonded on the principal surface of the heat radiator so that the first solder layer has a thickness thinner towards a direction from the thin-layer edge to the thick-layer edge (T1>T2). Also, the semiconductor chip is mounted on the insulating substrate so that a first distance between the thick-layer edge and the semiconductor chip is less than a second distance between the thin-layer edge and the semiconductor chip (L1
    • 本发明提供一种功率半导体装置,其特征在于,具有通过第一焊料层将散热体设置在散热体的主面的主面和绝缘基板。 功率半导体器件还包括经由第二焊料层安装在绝缘基板上的至少一个半导体芯片。 绝缘基板具有薄层和厚层边缘,并且结合在散热器的主表面上,使得第一焊料层具有朝向从薄层边缘到厚层边缘的方向更薄的厚度 (T1> T2)。 此外,半导体芯片安装在绝缘基板上,使得厚层边缘和半导体芯片之间的第一距离小于薄层边缘和半导体芯片之间的第二距离(L1