High quality factor lamb wave 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 … 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 ...
High quality factor lamb wave resonators
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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 Proceedings of the 2024 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII), Berlin, … WebA high Figure-of-Merit (FOM) of 86.6 has been achieved for AlScN film based Lamb wave resonators below 1 GHz. The application potential of high scandium concentration …
WebAlN MEMS Resonator with High Quality Factor Abstract: This paper reports a novel design on the notched supports coupled to the end of tethers to enhance the quality factor (Q … 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.
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 … 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 ...
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:
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 … incast definitionWebThe 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 inclusiveemployers.caWebK&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 … incastrati film streaming cb01WebAs 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 … incast influencerWebAbstract: 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. incast flowWebJun 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 … inclusivefitness.comWebApr 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. incast for windows