CASCODE SEMICONDUCTOR DEVICE
    1.
    发明申请
    CASCODE SEMICONDUCTOR DEVICE 有权
    CASCODE半导体器件

    公开(公告)号:US20140292287A1

    公开(公告)日:2014-10-02

    申请号:US14208180

    申请日:2014-03-13

    Applicant: NXP B.V.

    Abstract: A semiconductor device, comprising first and second field effect transistors arranged in a cascode configuration: wherein the first field effect transistor is a depletion mode transistor; and wherein the second field effect transistor comprises a first source to gate capacitance and a second additional source to gate capacitance connected in parallel to the first source to gate capacitance. A power factor correction (PFC) circuit comprising the semiconductor device. A power supply comprising the PFC circuit.

    Abstract translation: 一种半导体器件,包括以共源共栅配置布置的第一和第二场效应晶体管:其中所述第一场效应晶体管是耗尽型晶体管; 并且其中所述第二场效应晶体管包括第一源至栅极电容和第二附加源至栅极电容并联连接到所述第一源至栅极电容。 包括半导体器件的功率因数校正(PFC)电路。 包括PFC电路的电源。

    A VERTICAL MOSFET TRANSISTOR WITH A VERTICAL CAPACITOR REGION
    3.
    发明申请
    A VERTICAL MOSFET TRANSISTOR WITH A VERTICAL CAPACITOR REGION 有权
    具有垂直电容器区域的垂直MOSFET晶体管

    公开(公告)号:US20140220749A1

    公开(公告)日:2014-08-07

    申请号:US14249204

    申请日:2014-04-09

    Applicant: NXP B.V.

    Inventor: Philip RUTTER

    Abstract: Consistent with an example embodiment, a method of may be provided to manufacture a vertical capacitor region that comprises a plurality of said trenches, wherein the portions of the semiconductor region in between said trenches comprise an impurity. This allows for the trenches to be placed in closer vicinity to each other, thus improving the capacitance per unit area ratio. The total capacitance of the device is defined by two series components, that is, the capacitance across the dielectric liner, and the depletion capacitance of the silicon next to the trench. An increase of the voltage on the capacitor increases the depletion in the silicon and the depletion capacitance as a result, such that the overall capacitance is reduced. This effect may be countered by minimizing the depletion region which may be achieved by ensuring that the silicon adjacent to the capacitor is as highly doped as possible.

    Abstract translation: 与示例性实施例一致,可以提供一种制造包括多个所述沟槽的垂直电容器区域的方法,其中所述沟槽之间的半导体区域中的部分包括杂质。 这允许将沟槽放置得更靠近彼此,从而改善每单位面积比的电容。 器件的总电容由两个串联组件(即电介质衬垫两端的电容)和沟槽旁边的硅的耗尽电容来定义。 因此,电容器上的电压的增加会增加硅中的耗尽和耗尽电容,使得整体电容减小。 可以通过最小化可以通过确保与电容器相邻的硅尽可能高掺杂可以实现的耗尽区来抵消该效应。

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