IEICE Technical Report

Online edition: ISSN 2432-6380

Ultrasonics

Workshop Date : 2025-12-18 - 2025-12-19 / Issue Date : 2025-12-11

US2025-40
[Poster Presentation] Fundamental Study on Acoustic Imaging of Invisible Regions Using a Highly Directional Source and Pulse Compression Technique
Raimu Komatsu, Tsubasa Kusano, Kan Okubo (Tokyo Metropolitan Univ.)
pp. 1 - 6

US2025-41
[Poster Presentation] Amplitude Imaging of Multiple Defects in Thin Metal Plate Using Lamb Waves Excited by Air-borne Ultrasound
Kentaro Gomi, Chikao Ishikawa (Nihon Univ.), Kyosuke Shimizu (Ehime Univ.), Youichi Ito, Ayumu Osumi (Nihon Univ.)
pp. 7 - 10

US2025-42
Adsorption and desorption of surfactant molecules on a microbubble surface under continuous ultrasound irradiation
Naoki Kanayama, Daisuke Koyama (Doshisha Univ.)
pp. 11 - 14

US2025-43
Optical control using ultrasound and microparticles.
Ryoya Mizuno, Daisuke Koyama (Doshisha Univ.)
pp. 15 - 18

US2025-44
Effect of stenosis stiffness on the fluid velocity distribution in a vascular model
Koki Akiyoshi, Tomoya Ikeda (Doshisha Univ.), Kozue Saito (Nara Medical Univ.), Mami Matsukawa (Doshisha Univ.)
pp. 19 - 23

US2025-45
[Invited Talk] In Vitro Ultrasound Applications Contributing to the Advancement of Regenerative Medicine -- From Achievements to Research Aimed at Elucidating Mechanisms --
Chikahiro Imashiro, Nagisa Tsujimura, Takeshi Morita (U Tokyo)
pp. 24 - 27

US2025-46
Sputter-epitaxial thin and thick (K,Na)NbO₃ transducer and high kt² under DC bias application
Chuangsheng Zhang, Hiroki Uchida, Yohkoh Shimano, Cocono Mita, Takahiko Yanagitani (Waseda Univ.)
pp. 28 - 33

US2025-47
Characteristics of Bragg reflector-type ScAlN/AlN multilayer acoustic resonator with DC bias
Misaki Tomioka, Nana Shimazaki, Takahiko Yanagitani (Waseda Univ.)
pp. 34 - 39

US2025-48
Estimation of shear wave Q factor for ScAlN and AlN piezoelectric thin films using GHz pulse echo method
Momoka Matsumura, Cocono Mita, Yohkoh Shimano, Takahiko Yanagitani (Waseda Univ)
pp. 40 - 45

US2025-49
Evaluation of mechanical Qm value of MgZnO film using ultrasonic pulse echo method in the GHz range
Qu Jianwei, Cocono Mita, Yohkoh Shimano, Takahiko Yanagitani (Waseda Univ.)
pp. 46 - 51

US2025-50
Analysis of SAW Propagation Properties on Dissimilar Material Bonded Structures Using Ca₃TaGa₃Si₂O₁₄
Yuya Kobayashi, Masashi Suzuki, Shoji Kakio (Univ. of Yamanashi), Noritoshi Kimura (Piezo Studio Inc.)
pp. 52 - 57

US2025-51
Polarization-inverted structure GeAlN thin film BAW resonators using polarity control by Ar:N₂ gas ratio adjustment
Aoi Yamamoto, Masashi Suzuki, Shoji kakio (Univ. Yamanashi)
pp. 58 - 61

US2025-52
Resonance Properties of Pseudo Plate Waves on Piezoelectric Substrates with Periodic Voids
Shumpei Kobayashi, Masashi Suzuki, Shoji Kakio (Univ. Yamanashi)
pp. 62 - 65

Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.

The Institute of Electronics, Information and Communication Engineers (IEICE), Japan