METHOD OF FABRICATING HIGH VOLTAGE METAL-OXIDE-SEMICONDUCTOR TRANSISTOR DEVICE
    5.
    发明申请
    METHOD OF FABRICATING HIGH VOLTAGE METAL-OXIDE-SEMICONDUCTOR TRANSISTOR DEVICE 有权
    制造高压金属氧化物半导体晶体管器件的方法

    公开(公告)号:US20150079754A1

    公开(公告)日:2015-03-19

    申请号:US14548248

    申请日:2014-11-19

    Abstract: The present invention provides a method of fabricating a HV MOS transistor device, including forming a deep well in a substrate, and the deep well; forming a first doped region in the deep well, and the first doped region, wherein a doping concentration of the first doped region and a doping concentration of the deep well in at least one electric field concentration region has a first ratio, the doping concentration of the first doped region and the doping concentration of the deep well outside the electric field concentration region has a second ratio, and the first ratio is greater than the second ratio; and forming a high voltage well in the substrate, and forming a second doped region and a third doped region respectively in the deep well and in the high voltage well.

    Abstract translation: 本发明提供一种制造HV MOS晶体管器件的方法,包括在衬底和深阱中形成深阱; 在所述深阱中形成第一掺杂区域和所述第一掺杂区域,其中所述第一掺杂区域的掺杂浓度和所述深阱在至少一个电场浓度区域中的掺杂浓度具有第一比率,所述第一掺杂区域的掺杂浓度 第一掺杂区域和电场浓度区外的深阱的掺杂浓度具有第二比例,第一比值大于第二比例; 以及在所述衬底中形成高电压阱,以及分别在所述深阱和所述高电压阱中形成第二掺杂区和第三掺杂区。

    SEMICONDUCTOR POWER DEVICE
    10.
    发明申请
    SEMICONDUCTOR POWER DEVICE 有权
    半导体功率器件

    公开(公告)号:US20150137176A1

    公开(公告)日:2015-05-21

    申请号:US14083551

    申请日:2013-11-19

    CPC classification number: H01L29/7395 H01L29/0834

    Abstract: A semiconductor power device is provided, comprising a substrate of a first conductive type, a buffering layer of a second conductive type formed on the substrate, a voltage supporting layer formed on the buffering layer, and alternating sections of different conductive types formed at the substrate. The voltage supporting layer comprises first semiconductor regions of the first conductive type and second semiconductor regions of the second conductive type, wherein the first semiconductor regions and the second semiconductor regions are alternately arranged. The alternating section and the buffering layer form a segmented structure of alternated conductive types, which is used as an anode of the semiconductor device.

    Abstract translation: 提供了一种半导体功率器件,包括第一导电类型的衬底,形成在衬底上的第二导电类型的缓冲层,形成在缓冲层上的电压支撑层,以及形成在衬底上的不同导电类型的交替部分 。 电压支撑层包括第一导电类型的第一半导体区域和第二导电类型的第二半导体区域,其中第一半导体区域和第二半导体区域交替布置。 交替部分和缓冲层形成交替导电类型的分段结构,其用作半导体器件的阳极。

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