Patent ID: 6051874
Filing Date: 2000-04-18
Classification: H01L

Abstract:
A semiconductor device, wherein a diode is formed in a surface silicon layer of an SOI substrate having a plurality of surface silicon layers isolated by a buried oxide film on a silicon substrate,said diode comprising:a PN junction region with a first conduction type region formed on a buried oxide film side of said surface silicon layer and a second conduction type region formed on a surface side thereof;a first conduction type lightly doped region provided on one end side of said PN junction region and a second conduction type lightly doped region provided on an other end side thereof;a first conduction type heavily doped region provided at the surface portion in said first conduction type lightly doped region;a second conduction type heavily doped region provided at the surface portion in said second conduction type lightly doped region;a metal plate contacting said first conduction type heavily doped region; anda metal plate contacting said second conduction type heavily doped region.