Search Results - "Michio Kadota, Michio Kadota"
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Wideband acoustic wave resonators composed of hetero acoustic layer structure
Published in Japanese Journal of Applied Physics (01-07-2018)“…"Hetero acoustic layer (HAL) surface acoustic wave (SAW) device is a new type of SAW device using a single crystal piezoelectric thin plate supported by a…”
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High-Frequency Resonator Using A1 Lamb Wave Mode in LiTaO3 Plate
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-09-2019)“…Acoustic wave devices utilizing plate waves in thin lithium tantalate (LiTaO 3 ) have the potential of achieving high resonance frequency with a suitable…”
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High frequency thickness expansion mode bulk acoustic wave resonator using LN single crystal thin plate
Published in Japanese Journal of Applied Physics (01-03-2020)“…In this report, a thickness expansion mode film bulk acoustic resonator (FBAR) was fabricated using 4 m thick 36°Y-LiNbO3(LN) single crystal thin plate. The LN…”
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5.4 GHz Lamb Wave Resonator on LiNbO3 Thin Crystal Plate and Its Application
Published in Jpn J Appl Phys (01-07-2011)“…A cognitive radio system operating at frequencies from 400 MHz to 6 GHz requires tunable filters with a wide variable frequency range. Wide band resonators are…”
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A spurious-free, steep band rejection filter using a LiTaO3/quartz heteroacoustic layer surface acoustic wave resonator
Published in Japanese Journal of Applied Physics (01-07-2020)“…We have developed prototype parallel and series types of band rejection filters at 0.9 GHz using a heteroacoustic layer (HAL) surface acoustic wave (SAW)…”
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Development of Substrate Structures and Processes for Practical Applications of Various Surface Acoustic Wave Devices
Published in Japanese Journal of Applied Physics (01-06-2005)“…The author and coengineers have developed, put to practical use, mass-produced, and commercialized various surface acoustic wave (SAW) devices. Their success…”
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S0 Mode Lamb Wave Resonators Using LiNbO3 Thin Plate on Acoustic Multilayer Reflector
Published in Jpn J Appl Phys (25-07-2013)“…Lamb wave modes can be classified as a fundamental anti-symmetric mode (A 0 ), a symmetric mode (S 0 ), and their higher order modes. Membrane-type A 1 mode…”
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Sensitivity of Surface Acoustic Wave Magnetic Sensors Composed of Various Ni Electrode Structures
Published in Japanese Journal of Applied Physics (01-07-2012)“…A shear horizontal type of surface acoustic wave (SAW) magnetic sensor composed of a magnetostrictive Ni electrode and an ST-cut 90°X quartz substrate was…”
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Band-Pass-Type Tunable Filter Using Surface Acoustic Wave Resonator Composed of Grooved Cu Electrodes on LiNbO3
Published in Jpn J Appl Phys (01-07-2012)“…The authors reported band-pass (BP)-type tunable filters composed of ultrawide band (17%) surface acoustic wave (SAW) resonators composed of grooved Cu…”
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Magnetic Sensor Based on Surface Acoustic Wave Resonators
Published in Japanese Journal of Applied Physics (01-07-2011)“…In this paper, we describe a new type of magnetic surface acoustic wave (SAW) sensor that consists of interdigital transducers made of a magnetostrictive…”
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Tunable Filters Using Ultrawide-Band Surface Acoustic Wave Resonator Composed of Grooved Cu Electrode on LiNbO3
Published in Jpn J Appl Phys (01-07-2010)“…A leaky surface acoustic wave (LSAW) with a leaky component on a 0--15 \circ YX-LiNbO 3 substrate has a large electromechanical coupling factor. In order to…”
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Smaller Surface Acoustic Wave Duplexer for US Personal Communication Service Having Good Temperature Characteristics
Published in Japanese Journal of Applied Physics (01-07-2007)Get full text
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Properties of LiNbO3 Thin Film Deposited by Chemical Vapor Deposition and Frequency Characteristics of Film Bulk Acoustic Wave Resonator
Published in Jpn J Appl Phys (01-07-2011)“…We have realized the fabrication of a film bulk acoustic wave resonator (FBAR) using a thin LiNbO 3 film deposited by chemical vapor deposition (CVD) for the…”
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Surface acoustic wave characteristics of a ZnO/quartz substrate structure having a large electromechanical coupling factor and a small temperature coefficient
Published in Japanese Journal of Applied Physics (01-05-1997)“…A substrate having a suitable electromechanical coupling factor ( k s ) value and a good temperature coefficient of frequency (TCF) is required for an…”
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Conference Proceeding Journal Article -
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Investigation of Material Constants of CaTiO₃ Doped (K,Na)NbO₃ Film by MEMS-Based Test Elements
Published in Micromachines (Basel) (29-10-2018)“…A CaTiO₃-doped (K,Na)NbO₃ (KNN-CT) film is a lead-free piezoelectric film that is expected to substitute Pb(Zr,Ti)O₃ (PZT) film in piezoelectric micro electro…”
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Sensitivity of Surface Acoustic Wave Magnetic Sensors Composed of Various Ni Electrode Structures
Published in Japanese Journal of Applied Physics (01-07-2012)Get full text
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Piezoelectric Properties of ZnO Films on a Sapphire Substrate Deposited by an RF-Magnetron-Mode ECR Sputtering System
Published in Japanese Journal of Applied Physics (01-05-1998)“…Compared to conventional RF magnetron sputtering systems, electron cyclotron resonance (ECR) sputtering systems are characterized by the ability to generate…”
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LiNbO3 thin film for A1 mode of Lamb wave resonators
Published in Physica status solidi. A, Applications and materials science (01-05-2011)“…Currently, a high frequency device more than 3 GHz is required. High frequency resonators with resonant frequencies of 4.5 and 6.3 GHz were fabricated by…”
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Surface Acoustic Wave Resonators With Hetero Acoustic Layer (HAL) Structure Using Lithium Tantalate and Quartz
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-05-2021)“…This article reports a new concept of surface-acoustic-wave (SAW) resonator, which uses shear horizontal (SH) wave confined in a thin LiTaO 3 (LT) layer…”
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