Patent ID: 11949403
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. An acoustic resonator device comprising:
a substrate;
a piezoelectric plate at least partially supported by the substrate; and
an interdigital transducer (IDT) including interleaved fingers on the piezoelectric plate, the IDT comprising:
a first set of fingers extending from a first busbar, and
a second set of fingers extending from a second busbar, the second set of fingers parallel to and interleaved with the first set of fingers, wherein
the pitch and mark of at least a part of the IDT alternate between a first pitch/mark combination P1/M1 and a second pitch/mark combination P2/M2 along a length of the IDT, where P1≠P2 and M1≠M2.