High voltage resistor with biased-well
    5.
    发明授权
    High voltage resistor with biased-well 有权
    具有偏压井的高压电阻

    公开(公告)号:US08786050B2

    公开(公告)日:2014-07-22

    申请号:US13100714

    申请日:2011-05-04

    IPC分类号: H01L21/02

    摘要: Provided is a high voltage semiconductor device. The semiconductor device includes a doped well located in a substrate that is oppositely doped. The semiconductor device includes a dielectric structure located on the doped well. A portion of the doped well adjacent the dielectric structure has a higher doping concentration than a remaining portion of the doped well. The semiconductor device includes an elongate polysilicon structure located on the dielectric structure. The elongate polysilicon structure has a length L. The portion of the doped well adjacent the dielectric structure is electrically coupled to a segment of the elongate polysilicon structure that is located away from a midpoint of the elongate polysilicon structure by a predetermined distance that is measured along the elongate polysilicon structure. The predetermined distance is in a range from about 0*L to about 0.1*L.

    摘要翻译: 提供高压半导体器件。 半导体器件包括位于衬底中的相对掺杂的掺杂阱。 半导体器件包括位于掺杂阱上的电介质结构。 邻近电介质结构的掺杂阱的一部分具有比掺杂阱的剩余部分更高的掺杂浓度。 半导体器件包括位于电介质结构上的细长多晶硅结构。 细长多晶硅结构具有长度L.与电介质结构相邻的掺杂阱的部分电耦合到细长多晶硅结构的段,其远离细长多晶硅结构的中点远离所测量的预定距离 细长多晶硅结构。 预定距离在从大约0 * L到大约0.1 * L的范围内。

    Embedded JFETs for high voltage applications
    6.
    发明授权
    Embedded JFETs for high voltage applications 有权
    用于高压应用的嵌入式JFET

    公开(公告)号:US08704279B2

    公开(公告)日:2014-04-22

    申请号:US13481462

    申请日:2012-05-25

    IPC分类号: H01L29/80

    摘要: A device includes a buried well region and a first HVW region of the first conductivity, and an insulation region over the first HVW region. A drain region of the first conductivity type is disposed on a first side of the insulation region and in a top surface region of the first HVW region. A first well region and a second well region of a second conductivity type opposite the first conductivity type are on the second side of the insulation region. A second HVW region of the first conductivity type is disposed between the first and the second well regions, wherein the second HVW region is connected to the buried well region. A source region of the first conductivity type is in a top surface region of the second HVW region, wherein the source region, the drain region, and the buried well region form a JFET.

    摘要翻译: 一种器件包括掩埋阱区和第一导电性的第一HVW区,以及位于第一HVW区上的绝缘区。 第一导电类型的漏极区域设置在绝缘区域的第一侧和第一HVW区域的顶表面区域中。 与第一导电类型相反的第二导电类型的第一阱区和第二阱区在绝缘区的第二侧上。 第一导电类型的第二HVW区域设置在第一和第二阱区域之间,其中第二HVW区域连接到掩埋阱区域。 第一导电类型的源极区域位于第二HVW区域的顶表面区域中,其中源极区域,漏极区域和掩埋阱区域形成JFET。

    High voltage device with a parallel resistor
    7.
    发明授权
    High voltage device with a parallel resistor 有权
    具有并联电阻的高压器件

    公开(公告)号:US08624322B1

    公开(公告)日:2014-01-07

    申请号:US13551262

    申请日:2012-07-17

    IPC分类号: H01L23/62 H01L21/8234

    CPC分类号: H01L27/0629

    摘要: Provided is a high voltage semiconductor device. The high voltage semiconductor device includes a transistor having a gate, a source, and a drain. The source and the drain are formed in a doped substrate and are separated by a drift region of the substrate. The gate is formed over the drift region and between the source and the drain. The transistor is configured to handle high voltage conditions that are at least a few hundred volts. The high voltage semiconductor device includes a dielectric structure formed between the source and the drain of the transistor. The dielectric structure protrudes into and out of the substrate. Different parts of the dielectric structure have uneven thicknesses. The high voltage semiconductor device includes a resistor formed over the dielectric structure. The resistor has a plurality of winding segments that are substantially evenly spaced apart.

    摘要翻译: 提供高压半导体器件。 高电压半导体器件包括具有栅极,源极和漏极的晶体管。 源极和漏极形成在掺杂衬底中并且由衬底的漂移区域分离。 栅极形成在漂移区域上以及源极和漏极之间。 晶体管被配置为处理至少几百伏特的高电压条件。 高电压半导体器件包括在晶体管的源极和漏极之间形成的电介质结构。 电介质结构突出进出基板。 电介质结构的不同部分具有不均匀的厚度。 高电压半导体器件包括在电介质结构上形成的电阻器。 电阻器具有大致均匀间隔开的多个绕组段。

    Embedded JFETs for High Voltage Applications
    8.
    发明申请
    Embedded JFETs for High Voltage Applications 有权
    用于高压应用的嵌入式JFET

    公开(公告)号:US20130313617A1

    公开(公告)日:2013-11-28

    申请号:US13481462

    申请日:2012-05-25

    IPC分类号: H01L29/80

    摘要: A device includes a buried well region and a first HVW region of the first conductivity, and an insulation region over the first HVW region. A drain region of the first conductivity type is disposed on a first side of the insulation region and in a top surface region of the first HVW region. A first well region and a second well region of a second conductivity type opposite the first conductivity type are on the second side of the insulation region. A second HVW region of the first conductivity type is disposed between the first and the second well regions, wherein the second HVW region is connected to the buried well region. A source region of the first conductivity type is in a top surface region of the second HVW region, wherein the source region, the drain region, and the buried well region form a JFET.

    摘要翻译: 一种器件包括掩埋阱区和第一导电性的第一HVW区,以及位于第一HVW区上的绝缘区。 第一导电类型的漏极区域设置在绝缘区域的第一侧和第一HVW区域的顶表面区域中。 与第一导电类型相反的第二导电类型的第一阱区和第二阱区在绝缘区的第二侧上。 第一导电类型的第二HVW区域设置在第一和第二阱区域之间,其中第二HVW区域连接到掩埋阱区域。 第一导电类型的源极区域位于第二HVW区域的顶表面区域中,其中源极区域,漏极区域和掩埋阱区域形成JFET。

    Gallium nitride semiconductor devices and method making thereof
    10.
    发明授权
    Gallium nitride semiconductor devices and method making thereof 有权
    氮化镓半导体器件及其制造方法

    公开(公告)号:US08946771B2

    公开(公告)日:2015-02-03

    申请号:US13292487

    申请日:2011-11-09

    摘要: The present disclosure relates to an enhancement mode gallium nitride (GaN) transistor device. The GaN transistor device has an electron supply layer located on top of a GaN layer. An etch stop layer (e.g., AlN) is disposed above the electron supply layer. A gate structure is formed on top of the etch stop layer, such that the bottom surface of the gate structure is located vertically above the etch stop layer. The position of etch stop layer in the GaN transistor device stack allows it to both enhance gate definition during processing (e.g., selective etching of the gate structure located on top of the AlN layer) and to act as a gate insulator that reduces gate leakage of the GaN transistor device.

    摘要翻译: 本发明涉及增强型氮化镓(GaN)晶体管器件。 GaN晶体管器件具有位于GaN层顶部的电子供应层。 蚀刻停止层(例如,AlN)设置在电子供应层上方。 栅极结构形成在蚀刻停止层的顶部,使得栅极结构的底表面垂直位于蚀刻停止层上方。 GaN晶体管器件堆叠中的蚀刻停止层的位置允许其在处理期间增强栅极定义(例如,选择性蚀刻位于AlN层顶部的栅极结构),并且用作栅极绝缘体,以减小栅极泄漏 GaN晶体管器件。