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Technical Committee on Ultrasonics (US)
Chair: Hikaru Miura (Nihon Univ.)
Vice Chair: Jun Kondo (Shizuoka Univ.), Yoshikazu Koike (Shibaura Inst. of Tech.)
Secretary: Daisuke Koyama (Doshisha Univ.), Mototaka Arakawa (Tohoku Univ.)
Assistant: Shinnosuke Hirata (Tokyo Inst. of Tech.)

DATE:
Mon, May 17, 2021 14:00 - 17:10

PLACE:
Web

TOPICS:

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Mon, May 17 PM (14:00 - 17:10)
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(1) 14:00 - 14:25
High frequency sound source using the first and second resonances of airborne ultrasonic transducers
Tomoo Kamakura (UEC), Shinichi Sakai (SAE)

(2) 14:25 - 14:50
Feasibility study of ultrasonic emitter for parametric loudspeaker using corrugated PVDF film
Masashi Hirosaki, Hideyuki Nomura (UEC)

(3) 14:50 - 15:15
Visualization of guided wave propagation using scanning nonlinear elastic wave source technique with airborne ultrasound phased array
Kyosuke Shimizu, Ayumu Osumi, Youichi Ito (Nihon Univ.)

(4) 15:15 - 15:40
Quantitative evaluation of the amount of molecules desorbed from a bubble surface by ultrasonic irradiation
Reina Kobayashi, Mizuki Ogino, Hiraku Tabata, Daisuke Koyama (Doshisha Univ.), Marie Pierre Krafft (Univ. of Strasbourg)

----- Break ( 15 min. ) -----

(5) 15:55 - 16:20
Levitation phenomenon by air jet ejected from cylinder with a small through hole arranged near vibration surface
Kohei Aono, Manabu Aoyagi (Muroran IT)

(6) 16:20 - 16:45
Reveal the vibration characteristics of DPLUS: the selection criteria of piezoelectric materials
Chen Kang (Univ. of Tokyo), Irie Takasuke (Microsonic), Iijima Takashi (Tokyo Univ. of Science), Kasashima Takashi (NGK), Yokoyama Kota, Susumu Miyake, Morita Takeshi (Univ. of Tokyo)

(7) 16:45 - 17:10
Speckle reduction, superresolution and segmentation for human ultrasonic echo image by deep learning
Shuo Li, Chikayoshi Sumi (Sophia Univ)

# Information for speakers
General Talk will have 20 minutes for presentation and 5 minutes for discussion.

# CONFERENCE SPONSORS:
- This conference is co-sponsored by Non-Linear Acoustic Society of Japan, ASJ；Technical Committee on Ultrasonic and Underwater Acoustics, IEEE UFFC Society Japan Chapter.

=== Technical Committee on Ultrasonics (US) ===
# FUTURE SCHEDULE:

Fri, Jun 18, 2021: Online [Tue, Apr 13]
Fri, Jul 30, 2021: Online [Thu, May 13]
Fri, Aug 27, 2021: Online [Tue, Jun 15], Topics: Underwater acoustics, Ultrasonics, etc.

# SECRETARY:
Daisuke Koyama (Doshisha Univ.)
TEL: 0774-65-6300
E-mail: d