Patent ID: 11923827
Assignee: QORVO US, INC.
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A bulk acoustic wave (BAW) assist filter structure, comprising:
at least one integrated passive device (IPD) including an electrical circuit;
at least one BAW resonator over the at least one IPD and comprising:
a substrate; and
at least one transducer over the substrate, the at least one transducer comprising:
a first electrode;
a second electrode; and
a piezoelectric layer between the first electrode and the second electrode and wherein the electrical circuit of the at least one IPD is electrically coupled to

the at least one BAW resonator;

wherein the at least one IPD comprises conductive landing pads; and
wherein the at least one BAW resonator comprises pillars aligned with and electrically coupled to the conductive landing pads of the at least one IPD.