High quality factor lamb wave resonators

Author: sanx

August undefined, 2024

WebJul 14, 2024 · The fabricated resonator shows a 2nd-order symmetric (S2) resonance at 3.05 GHz with a high quality factor (Q) of 657, and a large k2 of 21.5% and a 6th-order symmetric (S6) resonance at 9.05 GHz with a high Q of 636 and a k2 of 3.71%, both among the highest demonstrated for higher-order Lamb wave devices. WebJun 21, 2024 · With proper pump frequency and pump power, the device quality factor is boosted in both simulation and experiment. The demonstrated Q-enhancement method is simple to implement and can be applied to other types of resonators that have nonlinear behavior and support multi-resonance operation. Authors:

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WebAs disclosed herein, methods of forming piezoelectric layers having alternating polarizations and related bulk acoustic wave filter devices. Pursuant to these embodiments, a method of forming a piezoelectric resonator device can include forming a first material, including metal and nitrogen atoms, using a first process to provide a first piezoelectric layer having the … WebApr 12, 2024 · Download Citation Surface acoustic wave resonators on thin film piezoelectric substrates in the quantum regime Lithium niobate (LNO) is a well established material for surface acoustic wave ... chinese buffet long island

High Quality Factor Lamb Wave Resonators EECS at UC Berkeley

WebJul 1, 2024 · In this paper, a systematical study is performed to analyze the quality factor, () and spurious modes of Lamb-wave resonators for the frequency above 2 GHz. The effect of the support tether width on the resonator's performance was studied through theoretical and experimental analysis. WebDec 15, 2014 · Jie Zou EECS Department University of California, Berkeley Technical Report No. UCB/EECS-2014-216 December 15, 2014 … WebHome EECS at UC Berkeley chinese buffet los banos

High Figure-of-Merit Lamb Wave Resonators Based on Al0.7Sc0.3N Thin Film

High Quality-Factor and Spectrum-Clean AlN Lamb-Wave …

WebIn this paper, the design of a RF MEMS oscillator on a silicon-ceramic composite substrate using a high-Q Lamb-wave resonator as frequency-selective device is described. The MEMS resonator is designed on a 1.8 μm thick piezoelectric AlN layer, deposited on silicon using thin-film processes. WebSep 7, 2024 · The demonstrated resonator has a typical resonant frequency fs and an antiresonant frequency fp. The quality factor and the piezoelectric coupling factor are two … grand designs scandinavian houseWebAbstract: This paper reports a novel design on the notched supports coupled to the end of tethers to enhance the quality factor (Q factor) of the Lamb wave Aluminum Nitride (AlN) micro-electro-mechanical systems (MEMS) resonators. The anchor loss was reduced with the optimal notched support. grand designs somerset cowshed

"WebJan 31, 2024 · This work presents a novel ultra-high frequency Lamb mode Aluminum nitride piezoelectric resonator with enhanced quality factors ( Q ). With slots introduced in the … " - High quality factor lamb wave resonators

High quality factor lamb wave resonators

Figure of Merit Enhancement of Laterally Vibrating RF-MEMS Resonators …

WebThis work focuses on the design and analysis of different Super High Frequency AlN-SOI FBAR resonators. The main idea used in this work to reduce the energy loss is the apodization principle. Various polygons and irregular shaped FBAR resonators are studied. The behavior of composite Thin film Piezoelectric on Substrate (TPoS) is examined in … WebFeb 24, 2024 · : In this paper, a novel H-shaped radial phononic crystal (H-RPC) structure is proposed to suppress the anchor loss of a Lamb wave resonator (LWR), which has an …

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WebDec 15, 2014 · In this report, basic analysis of the Lamb waves propagating in AlN and the device design techniques are presented in detail. Then, a novel technique to enhance the quality factor (Q) of Lamb wave resonator by utilizing an AlN plate formed in a butterfly …

WebApr 20, 2024 · This work investigates the design methodology to obtain large electromechanical coupling factor () and high quality factor ( Q) of shear-horizontal surface acoustic wave (SH-SAW) resonators based on the thin-film lithium niobate-on-insulator (LNOI) technology. WebNov 12, 2024 · The electrical admittance and the propagation losses are numerically investigated where a large band and a quality factor Q as high as 14 000 for S0 Lamb wave resonator with Copper Cu fingers are obtained. The obtained results show the novel properties of c-BN that contributes in enhancing the performances of Lamb wave …

WebApr 8, 2024 · The simulation results show that the structure can improve the instinct quality factor of the THz resonator to the order of 1 0 4 $1{0}^{4}$ when the bending radius is as small as 2mm. At the same time, sensitivity is increased by more than six times and uniform resonance curves are achieved from 0.45 ~ 0.55 $0.45\unicode{x0007E}0.55$ THz. WebRF channel-selection, where GHz quality factors above 20,000 are generally required. Capacitive-Piezoelectric Lamb Wave Resonator . Pursuant to improving upon this, Figure 1 presents a perspective-view illustration and cross-section of the ca-pacitive-piezoelectric AlN Lamb wave resonator demon-strated via this work.

Webmechanical-systems resonator with coexisting S0andS1 Lamb-wave modes of vibration. High performance (high quality factor Q and electromechanical coupling factor k2 t foraresonatorand low phase noise for an oscillator) has been achieved for both the resonator and oscillator in terms of dual-mode operation. In par-

WebThe Lamb wave resonator (LWR) is considered by most researchers to be the preferred choice for miniaturized, high-performance, and low-power integrated resonators due to its high operating frequency, high electromechanical coupling coefficient, and low power consumption [3,4]. LWRs are considered to be highly desirable in the 300–800 MHz range chinese buffet london made to orderWebK&D Farms is a family owned and operated small-scale farm in Monroe, North Carolina. The main focus of our farm is to produce high quality produce with limited use of organically … chinese buffet los angeles caWebJan 1, 2024 · The resonator had a high-resonance frequency (fr) of 5.44 GHz, a wide relative bandwidth of 12%, and a high-impedance ratio of 62 dB at fr and fa. This demonstrated a 5 GHz acoustic device that did not push the limits of optical lithography. However, the measured Q -factor at fr was only 70, unacceptably low for low-loss filter applications. chinese buffet loveland coWebCharlotte, N.C., April 11, 2024 (GLOBE NEWSWIRE) — Akoustis Technologies, Inc. ( NASDAQ: AKTS) (“Akoustis” or the “Company”), an integrated device manufacturer (IDM) of … grand designs show 2022WebThis paper investigates the strain distributions of fundamental and first-order Lamb wave modes (i.e. S 0, A 0, S 1, A 1 modes) associated with their piezoelectric transductions in a … grand designs plywood box houseWebHigh Quality Factor Lamb Wave Resonators by Jie Zou Research Project Submitted to the Department of Electrical Engineering and Computer Sciences, University of California at … chinese buffet loveland coloradoWebJan 5, 2024 · In this paper, we propose the design of a dual-mode Lamb wave resonator (DLWR) and a RF dual-passband filter based on DLWRs. The DLWR consists of a piezoelectric film and two IDT arrays with different thicknesses. Moreover, DLWRs with four different electrode configurations are analyzed. grand designs south downs