High quality factor lamb wave resonators
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
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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. 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 …
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. 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 …
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). 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 6, 2015 · Jie Zou EECS Department University of California, Berkeley Technical Report No. UCB/EECS-2015-1 January 6, 2015 …
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. fitness physiotherapistWebJun 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 … fitness pictures 4kWebMar 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 … fitness photoshoot outdoorWebHigh Quality Factor Lamb Wave Resonators by Jie Zou Research Project Submitted to the Department of Electrical Engineering and Computer Sciences, University of California at … fitness pics and quotesWebAug 10, 2024 · An integrated array of intrinsically switchable dual-mode Lamb-wave resonators with frequencies covering the 0.45–3 GHz … fitness physique womenWebMay 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 … can i buy just one hearing aidWebJul 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. can i buy just one stock