High quality factor lamb wave resonators
WebJun 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 … 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 …
High quality factor lamb wave resonators
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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 … 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.
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 · 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 … WebAug 10, 2024 · An integrated array of intrinsically switchable dual-mode Lamb-wave resonators with frequencies covering the 0.45–3 GHz …
WebJan 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.
WebThis dissertation addresses a number of issues and demonstrated the high-performance (high-fs., large-k2, high-Q, low-TCF, and low-resonance impedance (Zmin)) piezoelectric AlN LWRs to fulfill the technical requests for the RF front-end. The k2 and fs optimization of the AlN LWR using the S0 Lamb wave mode is achieved by choosing electrode ... flying triangles ufoWebImproved performance thin-film plate acoustic wave resonators (FPAR) using the lowest order symmetric Lamb wave (S0) propagating in highly textured AlN membranes are … flying tree snakeWebJan 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 … flying triangle ufoWebApr 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. flying triangle holdWebK&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 … flying tripods war of the worldsWebApr 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. green mountain falls co mapWebJan 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. flying trout in blairsville ga