Patent ID: 7394134
Filing Date: 2008-07-01
Classification: H01L

Abstract:
1. A semiconductor device with electrostatic discharge protection, comprising: a semiconductor base of a first conductivity type; a first conductive coupling region of the first conductivity type provided on the semiconductor base; a second conductive coupling region of the first conductivity type provided on the semiconductor base so as to surround the first conductive coupling region; a first electrode group having a plurality of electrodes that is provided on the first conductive coupling region; and a second electrode group having a plurality of electrodes that is provided on the second conductive coupling region, wherein a peripheral electrode of the first electrode group in a predetermined number is arranged closest to an edge of the first conductive coupling region in each of four regions, and an electrode of the second electrode group in a predetermined number is arranged in each of four regions so as to face the peripheral electrode of the first electrode group.