Patterson & Sheridan, LLP
Semiconductor device
A semiconductor device includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type provided in the first semiconductor region, an element region, and a termination region. The element region includes a third semiconductor region of the second conductivity type, a fourth semiconductor region of the first conductivity type, and a gate electrode disposed on a gate insulating layer that extends adjacent the third semiconductor region and the fourth semiconductor region. The termination region surrounds the element region and includes a first electrode, which includes first portions extending in a first direction and second portions extending in a second direction. A plurality of first electrodes are provided on the first semiconductor region and the second semiconductor region. An interval between adjacent first portions in the second direction is less than an interval between adjacent second portions in the first direction.
Kabushiki Kaisha Toshiba
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Hiroaki Hideyuki Masaru Syotaro
Yamashita Ura Izumisawa Ono