Patent ID: 11962282
Assignee: TAIYO YUDEN CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. The acoustic wave device according to claim 6, wherein the plurality of first protruding portions and/or the plurality of first recessed portions and the plurality of second protruding portions and/or the plurality of second recessed portions satisfy at least one of following conditions:
a phase of the plurality of first protruding portions and/or the plurality of first recessed portions is different from a phase of the plurality of second protruding portions and/or the plurality of second recessed portions;
heights of the plurality of first protrusions and/or the plurality of first recessed portions are different from heights of the plurality of second protruding portions and/or the plurality of second recessed portions;
a direction in which a regular interval between the plurality of first protruding portions and/or the plurality of first recessed portions is smallest is different from a direction in which a regular interval between the plurality of second protruding portions and/or the plurality of second recessed portions is smallest; and
the plurality of first protruding portions and/or the plurality of first recessed portions have three-dimensional shapes different from three-dimensional shapes of the plurality of second protruding portions and/or the plurality of second recessed portions.