Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hironori Aoki0
Date of Patent
June 21, 2011
0Patent Application Number
122127350
Date Filed
September 18, 2008
0Patent Primary Examiner
Patent abstract
A semiconductor device 1 includes a square substrate 2, first RESURF structures 3 in the shape of planar stripes on an element area 10 of a main surface of the substrate 2, a transistor T arranged between the first RESURF structures 3, a first high withstand voltage section 11 constituted by second RESURF structures 3a in the shape of planar strips on a periphery of the main surface of the substrate 2, and a second high withstand voltage section 12 constituted by third RESURF structures 3b which are symmetrically arranged at corners of the substrate 2 with respect to a diagonal line D of the main surface of the substrate 2.
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