SURFACE ACOUSTIC WAVE CONVOLVER

摘要

PROBLEM TO BE SOLVED: To provide a surface acoustic wave convolver which effectively transmits the electric field of surface acoustic waves through a semiconductor and efficiently interacts with electron in the semiconductor. SOLUTION: This surface acoustic wave convolver is provided with input electrodes 5, an output fetching electrode 7 and a semiconductor layer on a piezoelectric substrate 1. This semiconductor layer is located outside on the propagation path of surface acoustic waves propagated from the input electrodes 5 and has plural grating electrodes 6 arranged rectangularly to the propagation path on the propagation path. The output fetching electrode 7 is arranged so as to intersects to the plural grating electrodes 6 on the semiconductor layer, and the semiconductor layer consists of the laminated layers of an n type semiconductor layer 3 and a p type semiconductor layer 4.