Semiconductor device with composite drift region
    3.
    发明授权
    Semiconductor device with composite drift region 有权
    具有复合漂移区的半导体器件

    公开(公告)号:US09478456B2

    公开(公告)日:2016-10-25

    申请号:US13413440

    申请日:2012-03-06

    Abstract: A device includes a semiconductor substrate, a channel region in the semiconductor substrate having a first conductivity type, and a composite drift region in the semiconductor substrate, having a second conductivity type. The composite drift region includes a first drift region and a second drift region spaced from the channel region by the first drift region. The device further includes a drain region in the semiconductor substrate, spaced from the channel region by the composite drain region, and having the second conductivity type. The first drift region has a dopant concentration profile with a first concentration level where adjacent the channel region and a second concentration level where adjacent the second drift region, the first concentration level being higher than the second concentration level. In some embodiments, the first and second drift regions are stacked vertically, with the first drift region being shallower than the second drift region.

    Abstract translation: 一种器件包括半导体衬底,具有第一导电类型的半导体衬底中的沟道区域和具有第二导电类型的半导体衬底中的复合漂移区域。 复合漂移区域包括第一漂移区域和第一漂移区域与沟道区域间隔开的第二漂移区域。 该器件还包括在半导体衬底中的漏极区域,通过复合漏极区域与沟道区域间隔开并具有第二导电类型。 第一漂移区域具有第一浓度水平的掺杂剂浓度分布,其中邻近通道区域的第一浓度水平和与第二漂移区域相邻的第二浓度水平,第一浓度水平高于第二浓度水平。 在一些实施例中,第一漂移区域和第二漂移区域垂直堆叠,其中第一漂移区域比第二漂移区域浅。

    Semiconductor device with improved breakdown voltage
    4.
    发明授权
    Semiconductor device with improved breakdown voltage 有权
    具有提高击穿电压的半导体器件

    公开(公告)号:US09385229B2

    公开(公告)日:2016-07-05

    申请号:US14495508

    申请日:2014-09-24

    Abstract: Semiconductor device structures and related fabrication methods are provided. An exemplary semiconductor device structure includes a first region of semiconductor material having a first conductivity type and a first dopant concentration, a second region of semiconductor material having a second conductivity type overlying the first region, a drift region of semiconductor material having the first conductivity type overlying the second region, and a drain region of semiconductor material having the first conductivity type. The drift region and the drain region are electrically connected, with at least a portion of the drift region residing between the drain region and the second region, and at least a portion of the second region residing between that drift region and the first region. In one or more exemplary embodiments, the first region abuts an underlying insulating layer of dielectric material.

    Abstract translation: 提供半导体器件结构和相关的制造方法。 示例性的半导体器件结构包括具有第一导电类型和第一掺杂剂浓度的第一半导体材料区域,具有覆盖第一区域的第二导电类型的第二半导体材料区域,具有第一导电类型的半导体材料的漂移区域 覆盖第二区域,以及具有第一导电类型的半导体材料的漏极区域。 漂移区域和漏极区域电连接,漂移区域的至少一部分位于漏极区域和第二区域之间,并且第二区域的至少一部分位于该漂移区域和第一区域之间。 在一个或多个示例性实施例中,第一区域邻接介电材料的下层绝缘层。

    SEMICONDUCTOR DEVICE AND RELATED FABRICATION METHODS
    5.
    发明申请
    SEMICONDUCTOR DEVICE AND RELATED FABRICATION METHODS 有权
    半导体器件及相关制造方法

    公开(公告)号:US20160087096A1

    公开(公告)日:2016-03-24

    申请号:US14495508

    申请日:2014-09-24

    Abstract: Semiconductor device structures and related fabrication methods are provided. An exemplary semiconductor device structure includes a first region of semiconductor material having a first conductivity type and a first dopant concentration, a second region of semiconductor material having a second conductivity type overlying the first region, a drift region of semiconductor material having the first conductivity type overlying the second region, and a drain region of semiconductor material having the first conductivity type. The drift region and the drain region are electrically connected, with at least a portion of the drift region residing between the drain region and the second region, and at least a portion of the second region residing between that drift region and the first region. In one or more exemplary embodiments, the first region abuts an underlying insulating layer of dielectric material.

    Abstract translation: 提供半导体器件结构和相关的制造方法。 示例性的半导体器件结构包括具有第一导电类型和第一掺杂剂浓度的第一半导体材料区域,具有覆盖第一区域的第二导电类型的第二半导体材料区域,具有第一导电类型的半导体材料的漂移区域 覆盖第二区域,以及具有第一导电类型的半导体材料的漏极区域。 漂移区域和漏极区域电连接,漂移区域的至少一部分位于漏极区域和第二区域之间,并且第二区域的至少一部分位于该漂移区域和第一区域之间。 在一个或多个示例性实施例中,第一区域邻接介电材料的下层绝缘层。

    High breakdown voltage LDMOS device
    6.
    发明授权
    High breakdown voltage LDMOS device 有权
    高击穿电压LDMOS器件

    公开(公告)号:US09231083B2

    公开(公告)日:2016-01-05

    申请号:US13537619

    申请日:2012-06-29

    Abstract: A multi-region (81, 83) lateral-diffused-metal-oxide-semiconductor (LDMOS) device (40) has a semiconductor-on-insulator (SOI) support structure (21) on or over which are formed a substantially symmetrical, laterally internal, first LDMOS region (81) and a substantially asymmetric, laterally edge-proximate, second LDMOS region (83). A deep-trench isolation (DTI) wall (60) substantially laterally terminates the laterally edge-proximate second LDMOS region (83). Electric field enhancement and lower source-drain breakdown voltages (BVDSS) exhibited by the laterally edge-proximate second LDMOS region (83) associated with the DTI wall (60) are avoided by providing a doped SC buried layer region (86) in the SOI support structure (21) proximate the DTI wall (60), underlying a portion of the laterally edge-proximate second LDMOS region (83) and of opposite conductivity type than a drain region (31) of the laterally edge-proximate second LDMOS region (83).

    Abstract translation: 多区域(81,83)横向扩散金属氧化物半导体(LDMOS)器件(40)具有绝缘体上半导体(SOI)支撑结构(21),其上形成有基本上对称的 横向内部的第一LDMOS区域(81)和基本不对称的横向边缘邻近的第二LDMOS区域(83)。 深沟槽隔离(DTI)壁(60)基本上横向地终止横向边缘邻近的第二LDMOS区域(83)。 通过在SOI中提供掺杂的SC掩埋层区域(86)来避免由与DTI壁(60)相关联的横向边缘邻近的第二LDMOS区域(83)表现出的电场增强和较低的源极 - 漏极击穿电压(BVDSS) 靠近DTI壁(60)的支撑结构(21),位于横向边缘邻近的第二LDMOS区域(83)的一部分下方并且具有与横向边缘邻近的第二LDMOS区域的漏极区域(31)相反的导电类型 83)。

    DIE EDGE SEALING STRUCTURES AND RELATED FABRICATION METHODS
    10.
    发明申请
    DIE EDGE SEALING STRUCTURES AND RELATED FABRICATION METHODS 有权
    DIE边缘密封结构和相关制造方法

    公开(公告)号:US20150056751A1

    公开(公告)日:2015-02-26

    申请号:US14505842

    申请日:2014-10-03

    Abstract: Die structures for electronic devices and related fabrication methods are provided. An exemplary die structure includes a diced portion of a semiconductor substrate that includes a device region having one or more semiconductor devices fabricated thereon and an edge sealing structure within the semiconductor substrate that circumscribes the device region. In one or more embodiments, the edge sealing structure includes a conductive material that contacts a handle layer of semiconductor material, a crackstop structure is formed overlying the sealing structure, wherein the crackstop structure and the edge sealing structure provide an electrical connection between the handle layer and an active layer of semiconductor material that overlies a buried layer of dielectric material on the handle layer.

    Abstract translation: 提供电子器件的模具结构和相关的制造方法。 示例性的管芯结构包括半导体衬底的切割部分,其包括其上制造有一个或多个半导体器件的器件区域和在该半导体衬底内限定器件区域的边缘密封结构。 在一个或多个实施例中,边缘密封结构包括接触半导体材料的手柄层的导电材料,形成在密封结构上方的裂缝结构,其中裂缝结构和边缘密封结构在手柄层之间提供电连接 以及覆盖在手柄层上的介电材料的掩埋层的半导体材料的有源层。

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