Patent ID: 11942920
Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The apparatus of claim 9, wherein the first IDT comprises at least a transducer unit cell comprising:
a ground line coupled to the first port;
a back part of a first acoustic reflector coupled to the ground line, wherein a center of the first acoustic reflector comprises a first reflection center;
a front part of a second acoustic reflector coupled to the ground line, wherein a center of the second acoustic reflector comprises a second reflection center;
a first transduction electrode coupled to the first acoustic reflector, the second acoustic reflector, and to the ground line of the first port;
a signal line coupled to the first port; and
a second transduction electrode coupled to the signal line and disposed between the first acoustic reflector and the first transduction electrode, wherein a center of the second transduction electrode comprises a transduction center.