Patent ID: 11929731
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An acoustic resonator, comprising:
a piezoelectric layer having a portion that forms a diaphragm; and
a conductor pattern at a surface of the piezoelectric layer, the conductor pattern comprising an interdigital transducer (IDT) having interleaved fingers on the diaphragm,
wherein a ratio of a mark of the interleaved fingers to a pitch of the interleaved fingers is greater than or equal to 0.12 and less than or equal to 0.3, and
wherein the pitch of the interleaved fingers is greater than or equal to 6 times a thickness of the piezoelectric layer and less than or equal to 12.5 times the thickness of the piezoelectric layer.