Zobrazeno 1 - 10
of 113
pro vyhledávání: '"Shoji Kakio"'
Autor:
Yudi Xie, Minglong Deng, Jinkai Chen, Yue Duan, Jikai Zhang, Danyu Mu, Shurong Dong, Jikui Luo, Hao Jin, Shoji Kakio
Publikováno v:
Micromachines, Vol 15, Iss 5, p 555 (2024)
Continuous monitoring of vital signs based on advanced sensing technologies has attracted extensive attention due to the ravages of COVID-19. A maintenance-free and low-cost passive wireless sensing system based on surface acoustic wave (SAW) device
Externí odkaz:
https://doaj.org/article/8826e412959e48c4b256e0bef8380576
Publikováno v:
2022 IEEE International Ultrasonics Symposium (IUS).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a6733a419d9944dff98270031efcf38
https://doi.org/10.1109/ius54386.2022.9958840
https://doi.org/10.1109/ius54386.2022.9958840
Publikováno v:
Japanese Journal of Applied Physics. 62:SJ1056
Using the finite element method, we analyzed the resonance properties of a longitudinal leaky surface acoustic wave (LLSAW) on the structure of a piezoelectric LiTaO3 (LT) or LiNbO3 (LN) thin plate bonded to a diamond support substrate. When the plat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e53b1524692feb6ccdcbc31c7d0f87f2
https://doi.org/10.35848/1347-4065/accbc9
https://doi.org/10.35848/1347-4065/accbc9
Publikováno v:
Japanese Journal of Applied Physics. 62:SJ8008
High frequency bulk acoustic wave (BAW) resonators for beyond 5 G communications have low Q values and electromechanical coupling because of their ultra-thin piezoelectric monolayer films. Polarity inverted multilayered film BAW resonators operating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd625c8c382017776fbee8d20e074b52
https://doi.org/10.35848/1347-4065/acc3a6
https://doi.org/10.35848/1347-4065/acc3a6
Publikováno v:
Japanese Journal of Applied Physics. 62:SJ1031
AlN film bulk acoustic wave (BAW) resonators and filters that operate at frequencies above 5 GHz are required for 5G and beyond 5G communication applications. However, the power-handling capability, Q factor, and electromechanical coupling in high-fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eda107a198e79396434eff079047f3d3
https://doi.org/10.35848/1347-4065/acbc2b
https://doi.org/10.35848/1347-4065/acbc2b
Publikováno v:
Japanese Journal of Applied Physics. 62:SJ1028
The propagation and resonance properties of longitudinal leaky surface acoustic waves on structures consisting of a LiTaO3 (LT) thin plate bonded to a quartz (Qz) similar-material bonded structure were investigated theoretically. It was found by surf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9589b06692af237aab3c25ce63257f56
https://doi.org/10.35848/1347-4065/acbb87
https://doi.org/10.35848/1347-4065/acbb87
Publikováno v:
Japanese Journal of Applied Physics. 62:SJ1022
The resonance properties of shear-horizontal surface acoustic waves on Ca3TaGa3Si2O14 (CTGS) with Au or Al interdigital transducers (IDTs) were investigated. IDT-type resonators were fabricated on CTGS (0°, 134° or 155°, 90°) using Au- or Al-IDT,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4c4128d4671aef57c8b5985fd6c91df
https://doi.org/10.35848/1347-4065/acb4fd
https://doi.org/10.35848/1347-4065/acb4fd
Publikováno v:
Japanese Journal of Applied Physics. 62:SJ1008
The resonance properties of leaky surface acoustic waves (LSAWs) and longitudinal LSAWs (LLSAWs) on bonded structures consisting of a LiNbO3 (LN) thin plate and a support substrate, with periodic voids exhibiting a rectangular cross-section, were sim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d38a57f02cbd5631f476e512a15ec3b
https://doi.org/10.35848/1347-4065/acb270
https://doi.org/10.35848/1347-4065/acb270
Autor:
Akinori Tateyama, Yoshiharu Ito, Tsuyoshi Wakabayashi, Hiroshi Funakubo, Kazuma Yoshizawa, Masashi Suzuki, Kenji Shibata, Shoji Kakio
Publikováno v:
2021 IEEE International Ultrasonics Symposium (IUS).
In this study, the BAW and SAW properties of (001)-oriented (K, Na)NbO 3 (KNN) thin films deposited using an RF magnetron sputtering system were evaluated to investigate the applicability of such thin films to high-frequency devices. As a result, a l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50ef2ce7feb024b9cfd22b5b507841e8
https://doi.org/10.1109/ius52206.2021.9593374
https://doi.org/10.1109/ius52206.2021.9593374
Publikováno v:
2021 IEEE International Ultrasonics Symposium (IUS).
It has been reported that 1-15% of Si doping into AIN films induce polarity inversion from Al-polarity to N-polarity. We fabricated SiAlN monolayer film with Si concentration of 5% and two-layer polarity inverted Si 0.05 Al 0.95 N/AlN and AlN/Si 0.05
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4445fb058a75cb8dd7168bb710ca38f
https://doi.org/10.1109/ius52206.2021.9593726
https://doi.org/10.1109/ius52206.2021.9593726