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    • 56. 发明申请
    • Power Transistor
    • 功率晶体管
    • US20150041811A1
    • 2015-02-12
    • US13961666
    • 2013-08-07
    • Infineon Technologies Dresden GmbH
    • Stefan Tegen
    • H01L29/06H01L29/78
    • H01L27/0886H01L29/04H01L29/0696H01L29/0847H01L29/1033H01L29/41783H01L29/41791H01L29/4236H01L29/78H01L29/7831H01L29/785
    • A power transistor includes a number of transistor cells. Each transistor cell includes a source region, a drain region, a body region and a gate electrode. Each source region is arranged in a first semiconductor fin of a semiconductor body. Each drain region is at least partially arranged in a second semiconductor fin of the semiconductor body. The second semiconductor fin is spaced from the first semiconductor fin in a first horizontal direction of the semiconductor body. Each gate electrode is arranged in a trench adjacent the first semiconductor fin, is adjacent the body region, and is dielectrically insulated from the body region by a gate dielectric. Each of the first and second semiconductor fins has a width in the first horizontal direction and a length in a second horizontal direction, wherein the length is larger than the width.
    • 功率晶体管包括多个晶体管单元。 每个晶体管单元包括源极区,漏极区,体区和栅电极。 每个源极区域布置在半导体本体的第一半导体鳍片中。 每个漏极区域至少部分地布置在半导体本体的第二半导体鳍片中。 第二半导体鳍片在半导体本体的第一水平方向上与第一半导体鳍片间隔开。 每个栅极布置在与第一半导体鳍片相邻的沟槽中,与主体区域相邻,并且通过栅极电介质与体区电介质绝缘。 第一和第二半导体翅片中的每一个在第一水平方向上具有宽度,在第二水平方向上具有长度,其中长度大于宽度。