Patent ID: 9653478
Date: 2017-05-16
CPC Classifications: G11C,H01L

Claim:
1. A semiconductor device comprising: a semiconductor element including a first field effect transistor and a tunnel injection bipolar transistor, which are formed in an SOI substrate having a support substrate, a buried insulating layer formed on the support substrate, and an active layer formed on the buried insulating layer, wherein the field effect transistor configuring the semiconductor element includes: wherein the tunnel injection bipolar transistor configuring the semiconductor element includes: wherein the second semiconductor region of the first conduction type serves as a base region of the tunnel injection bipolar transistor; and wherein the body region of the second conduction type serves as a collector region of the tunnel injection bipolar transistor, wherein a tunnel junction is disposed in a boundary region between the second semiconductor region and the third semiconductor region, and wherein the tunnel injection bipolar transistor amplifies a drain current.