High quality factor lamb wave resonators

WebHome EECS at UC Berkeley WebMay 22, 2012 · A Lamb wave resonator utilizing the QS(3) mode exhibits a low motional impedance of 91 Ω and a high Q of 551 … An AlN/3C-SiC composite layer enables the third-order quasi-symmetric (QS(3)) Lamb wave mode with a high quality factor (Q) characteristic and an ultra-high phase velocity up to 32395 ms(-1).

Dual-Mode Resonator and Switchless Reconfigurable …

WebAug 10, 2024 · An integrated array of intrinsically switchable dual-mode Lamb-wave resonators with frequencies covering the 0.45–3 GHz … 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 ... first umc lewistown pa https://ticohotstep.com

Thin-film lithium niobate-on-insulator (LNOI) shear horizontal …

WebHigh Quality Factor Lamb Wave Resonators by Jie Zou Research Project Submitted to the Department of Electrical Engineering and Computer Sciences, University of California at … WebDec 15, 2014 · Jie Zou EECS Department University of California, Berkeley Technical Report No. UCB/EECS-2014-216 December 15, 2014 … WebJan 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. campgrounds on lake allatoona

A novel piezoelectric RF-MEMS resonator with enhanced quality …

Category:Anchor quality factor improvement of a piezoelectrically ... - Springer

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High quality factor lamb wave resonators

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. WebApr 11, 2024 · The newly developed filter solution is a high-performance XBAW ® RF filter and is being produced in Akoustis’ New York manufacturing facility. The A10159 is …

High quality factor lamb wave resonators

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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. 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.

WebMar 7, 2013 · These devices are of interest for applications in both frequency control and sensing. High quality factor Lamb wave resonators exhibiting low noise, low loss and … WebSep 1, 2024 · In general, high quality factor (Q), large effective electromechanical coupling coefficient (k 2), high frequency ability, and spurious free response can be significant aspects for acoustic wave elements to enable low-loss filters, ... such as Lamb wave resonators and/or boundary wave resonators. For example, any suitable combination of ...

WebThis 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 … WebSiddiqi, M.W.U.; Lee, J.E.-Y. Quality Factor Enhancement of AlN-on-Si Lamb Wave Resonators Using a Hybrid of Phononic Crystal Shapes in Anchoring Boundaries. In …

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 …

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- first umc in myrtle beach scWebMay 15, 2024 · This paper presents a high quality-factor (Q) and spectrum-clean AlN Lamb-wave resonator (LWR). The width of its lateral reflection boundary was optimized to … campgrounds on lake chatuge ncWebJun 5, 2011 · We report an AlN-on-Si Lamb wave resonator with a unique wide acoustic bandgap (ABG) phononic crystal (PnC) structure at its anchors that provides an almost 4 … first umc madisonville tnWebMar 15, 2024 · Owning a superior quality factor ( Q) helps contribute to the advantages of microelectromechanical systems (MEMS) resonators due to its impact on the performance of MEMS technology-based oscillators and filters in IoTs and radio frequency applications. first umc lovelandWebNov 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 … first umc lufkinWebThe 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 first umc melbourne flWebSep 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 … campgrounds on lake cherokee