340 patents
Utility
Transversely-excited Film Bulk Acoustic Resonator (Xbar)
9 Feb 23
A process for fabricating a transversely-excited film bulk acoustic resonator (XBAR) and that XBAR are described.
Andrew Kay, Albert Cardona, Chris O'Brien, Akanksha Saha
Filed: 1 Aug 22
Utility
Patterned Cavity Walls for Transversely-excited Film Bulk Acoustic Resonator Frontside Membrane Release
2 Feb 23
Acoustic resonator devices and methods are disclosed.
Albert Cardona, Chris O'Brien, Akanksha Saha, Andrew Kay
Filed: 2 Jun 22
Utility
Hybrid Fenced Substrate for Transversely-excited Film Bulk Acoustic Resonator Frontside Membrane Release
2 Feb 23
Acoustic resonator devices and methods are disclosed.
Chris O'Brien, Albert Cardona
Filed: 21 Apr 22
Utility
Metal Cavity for Transversely-excited Film Bulk Acoustic Resonator (Xbar)
2 Feb 23
A process for fabricating a transversely-excited film bulk acoustic resonator (XBAR) having a metal cavity, and the fabricated XBAR include forming a conductor pattern including interleaved interdigital transducer (IDT) fingers on a piezoelectric wafer.
Albert Cardona, Andrew Kay, Chris O'Brien
Filed: 1 Aug 22
Utility
Fast, Highly Accurate, Full-fem Surface Acoustic Wave Simulation
26 Jan 23
The present disclosure provides systems and methods for scalable and parallel computation of hierarchical cascading in finite element method (FEM) simulations of surface acoustic wave (SAW) devices.
Ballam Willemsen, Viktor Plesski, Julius Koskela
Filed: 2 Mar 22
Utility
Transversely-excited Film Bulk Acoustic Resonators and Filters with Trap-rich Layer
26 Jan 23
Acoustic resonator devices and filters are disclosed.
Patrick Turner
Filed: 29 Sep 22
Utility
Transversely-excited Film Bulk Acoustic Resonators with Narrow Gaps Between Busbars and Ends of Interdigital Transducer Fingers
26 Jan 23
An acoustic resonator has a piezoelectric plate attached to the surface of the substrate except for a portion of the piezoelectric plate forming a diaphragm spanning a cavity in the substrate.
Bryant GARCIA, Filip ILIEV
Filed: 6 Oct 22
Utility
Transversely-excited Film Bulk Acoustic Filters with Excess Piezoelectric Material Removed
26 Jan 23
Filter devices and fabrication methods are disclosed.
Ventsislav Yantchev
Filed: 30 Sep 22
Utility
Low Loss Transversely-excited Film Bulk Acoustic Resonators and Filters
26 Jan 23
An acoustic resonator device includes a diaphragm a diaphragm comprising a portion of a piezoelectric plate spanning a cavity.
Bryant Garcia, Greg Dyer
Filed: 29 Sep 22
Utility
Transversely-excited Film Bulk Acoustic Resonator Matrix Filters with Noncontiguous Passband
19 Jan 23
There are disclosed matrix filters having an input port and sub-filters connected between the input port and respective output ports.
Andrew Guyette, Neal Fenzi, Michael Eddy, Bryant Garcia
Filed: 21 Sep 22
Utility
Acoustic Filters with Shared Acoustic Tracks and Cascaded Series Resonators
19 Jan 23
An acoustic filter device includes first and second series resonators and at least one shunt resonator, each shunt resonator electrically coupled to the first series resonator or the second series resonator.
Sean McHugh, Kurt Raihn
Filed: 14 Sep 22
Utility
Transversely Excited Film Bulk Acoustic Resonator with Recessed Interdigital Transducer Fingers
19 Jan 23
Acoustic resonator devices, filters, and methods are disclosed.
Viktor Plesski
Filed: 19 Sep 22
Utility
Transversely-excited Film Bulk Acoustic Resonator with Multi-mark, Multi-pitch Interdigital Transducer
19 Jan 23
Acoustic resonator devices and acoustic filter devices.
Greg Dyer, Bryant Garcia, Julius Koskela
Filed: 21 Sep 22
Utility
Transversely-excited Film Bulk Acoustic Resonator Matrix Filters with Switches In Parallel with Sub-filter Shunt Capacitors
12 Jan 23
There are disclosed matrix filters having an input port and sub-filters connected between the input port and respective output ports.
Andrew Guyette, Neal Fenzi, Michael Eddy, Bryant Garcia
Filed: 19 Sep 22
Utility
Transversely-excited Film Bulk Acoustic Resonator with Reduced Substrate to Contact Bump Thermal Resistance
5 Jan 23
An acoustic resonator device with low thermal impedance has a substrate and a single-crystal piezoelectric plate having a back surface attached to a top surface of the substrate via a bonding oxide (BOX) layer.
Albert Cardona, Chris O'Brien, Greg Dyer
Filed: 21 Oct 21
Utility
Transversely-excited Film Bulk Acoustic Resonators with Piezoelectric Diaphragm Supported by Piezoelectric Substrate
5 Jan 23
Acoustic resonators and filter devices.
Neal Fenzi, Robert Hammond, Patrick Turner, Bryant Garcia, Ryo Wakabayashi
Filed: 30 Aug 22
Utility
Transversely-excited Film Bulk Acoustic Resonators with Interdigital Transducer Configured to Reduce Diaphragm Stress
5 Jan 23
Acoustic resonators are disclosed.
Greg Dyer, Bryant Garcia, Doug Jachowski, Robert Hammond, Neal Fenzi, Ryo Wakabayashi
Filed: 1 Sep 22
Utility
Transversely-excited Film Bulk Acoustic Resonator with Reduced Substrate to Contact Bump Thermal Resistance
5 Jan 23
An acoustic resonator device with low thermal impedance has a substrate and a single-crystal piezoelectric plate having a back surface attached to a top surface of the substrate via a bonding oxide (BOX) layer.
Albert Cardona, Chris O'Brien, Greg Dyer
Filed: 20 Oct 21
Utility
Transversely-excited Film Bulk Acoustic Resonator Matrix Filters with Split Die Sub-filters
5 Jan 23
A radio frequency filter includes at least a first sub-filter and a second sub-filter connected in parallel between a first port and a second port.
Andrew Guyette, Neal Fenzi, Greg Dyer, Sean McHugh
Filed: 8 Sep 22
Utility
Transversely-excited Film Bulk Acoustic Resonator Matrix Filters with Split Die Sub-filters
5 Jan 23
A radio frequency filter includes at least a first sub-filter and a second sub-filter connected in parallel between a first port and a second port.
Andrew Guyette, Neal Fenzi, Greg Dyer, Sean McHugh
Filed: 8 Sep 22