Patent ID: 9153680
Filing Date: 2015-10-06
Classification: H01L,H01S

Abstract:
1. A stimulated phonon emission device comprising: a semiconductor substrate of first electroconductive type, the semiconductor substrate being an indirect transition type semiconductor crystal; a well region of second electroconductive type provided in the semiconductor substrate; an acoustic element isolation region deeper than the well region; an acoustic element region surrounded by the element isolation region; and a field-effect transistor having a plurality of electrically common gate electrodes, source region and drain region, the gate electrodes being provided on the well region in the acoustic element region, the gate electrodes being parallel to each other, the gate electrodes being arranged at a constant pitch, the source region and the drain region having first electroconductive type, the source region and drain region being provided in the well region in the acoustic element regions region on the both sides of the gate electrode; wherein the acoustic element isolation region comprises a cavity.