Murata manufacturing co., ltd. (20240305259). TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR simplified abstract
Contents
TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR
Organization Name
murata manufacturing co., ltd.
Inventor(s)
Patrick Turner of Portola Valley CA (US)
Ryo Wakabayashi of Santa Clara CA (US)
TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240305259 titled 'TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR
Simplified Explanation: This patent application describes a bulk acoustic resonator with a cavity in the substrate, a piezoelectric layer over the cavity, and an interdigital transducer on the piezoelectric layer.
- The bulk acoustic resonator includes a substrate with multiple layers and a cavity in at least one layer.
- A piezoelectric layer is attached to the substrate, with a portion over the cavity.
- An interdigital transducer (IDT) is on the surface of the piezoelectric layer, with interleaved fingers over the cavity.
- At least one elongated slot extends through the portion of the piezoelectric layer over the cavity.
Potential Applications: - Telecommunications - Frequency control devices - Sensors
Problems Solved: - Improved frequency control - Enhanced sensor performance - Miniaturization of resonator devices
Benefits: - Higher precision in frequency control - Increased sensitivity in sensors - Compact size for space-constrained applications
Commercial Applications: Title: Advanced Bulk Acoustic Resonator Technology for Telecommunications and Sensor Devices This technology can be utilized in telecommunications for frequency control and in sensor devices for enhanced performance. The market implications include improved product efficiency and miniaturization for various industries.
Prior Art: Prior art related to this technology can be found in research papers and patents related to bulk acoustic resonators, piezoelectric materials, and interdigital transducers.
Frequently Updated Research: Researchers are continuously exploring new materials and designs to improve the performance of bulk acoustic resonators in various applications.
Questions about Bulk Acoustic Resonators: 1. How do bulk acoustic resonators differ from other types of resonators? Bulk acoustic resonators utilize bulk acoustic waves within a solid material, unlike surface acoustic wave resonators that rely on waves confined to the surface.
2. What are the key factors influencing the performance of bulk acoustic resonators? The performance of bulk acoustic resonators is influenced by factors such as the material properties of the substrate and piezoelectric layer, the design of the cavity, and the efficiency of the interdigital transducer.
Original Abstract Submitted
a bulk acoustic resonator is provided that includes a substrate having a plurality of layers and having a cavity disposed in at least one of the plurality of layers of the substrate; a piezoelectric layer attached to the substrate and including a portion that is over the cavity in the substrate; and an interdigital transducer (idt) on a surface of the piezoelectric layer and including interleaved fingers on the portion of the piezoelectric layer that is over the cavity. moreover, at least one opening extends through the portion of the piezoelectric layer that is over the cavity. the at least one opening is an elongated slot.
