Patent ID: 7800128
Filing Date: 2010-09-21
Classification: H01L

Abstract:
1. A semiconductor device comprising: an ESD device region disposed within a semiconductor body; a plurality of first device regions of a first conductivity type disposed on a second device region of a second conductivity type, the second conductivity type opposite the first conductivity type, wherein the second device region is disposed within the ESD region; a plurality of third device regions disposed on the second device region, wherein a fourth device region of the first conductivity type adjacent to the second device region, the fourth device region disposed within the ESD region; and a fifth device region of the second conductivity type disposed within the fourth device region, wherein the first device regions, the sub-regions of the first conductivity type of the third device region, the second device region, the fourth device region and the fifth device region comprise a silicon controlled rectifier (SCR).