Patent ID: 8169037
Filing Date: 2012-05-01
Classification: H01L

Abstract:
1. A semiconductor integrated circuit device, comprising: a metal insulating semiconductor field-effect transistor (MISFET) comprising a drain diffusion layer of a first conductivity type, a source diffusion layer of the first conductivity type, a gate electrode, and a substrate/well of a second conductivity type, the second conductivity type being an opposite of the first conductivity type; a first diffusion layer of the first conductivity type formed at two or more regions with an isolation therebetween at predetermined intervals so as to face at least two sides of the isolation around the drain diffusion layer, the first diffusion layer being electrically insulated from the drain diffusion laver, and the first diffusion layer being supplied with a predetermined voltage; and a second diffusion layer of the second conductivity type formed so as to be adjacent to the source diffusion layer or so as to be in contact with the source diffusion layer.