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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, Sep 28, 2020 09:45 - 18:00

PLACE:
Online(Assoc. Prof. Shin Yoshizawa)

TOPICS:

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Mon, Sep 28 AM (09:45 - 18:00)
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(1) 09:45 - 10:10
Increasing ultrasonic and photoacoustic measurement accuracy of soft tissue motion and blood flow by increasing lateral modulation frequency
-- Demonstration on human in vivo experiment --
Chikayoshi Sumi, Ryo Nakagawa, Kanta Ueno (Sophia Univ)

(2) 10:10 - 10:35
Investigation on measurement of myocardial contraction response using multiple-frequency phased-tracking method
Yu Obara, Shohei Mori, Mototaka Arakawa, Hiroshi Kanai (Tohoku Univ.)

(3) 10:35 - 11:00
A Basic Study on Depiction of Thoracic Spine Based on Difference between Ultrasound Reflection and Scattering Characteristics
Takumi Hashimoto, Shohei Mori, Mototaka Arakawa, Onishi Eiko, Masanori Yamauchi, Hiroshi Kanai (Tohoku univ.)

----- Break ( 10 min. ) -----

(4) 11:10 - 11:35
Effect of split aperture transmission on behavior of cavitation bubbles and temperature rise for bubble-enhanced HIFU treatment
Sayaka Ito, Shin-ichiro Umemura, Shin Yoshizawa (Tohoku Univ.)

(5) 11:35 - 12:00
Ultrasound Imaging of Cavitation Bubbles Generated by High-Intensity Focused Ultrasound
-- Experimental Study on Bubble Imaging by Triplet Pulse Sequence in Various HIFU Exposure Sequences --
Ikumi Shiozaki, Shin-ichiro Umemura, Shin Yoshizawa (Tohoku Univ.)

----- Lunch Break ( 60 min. ) -----

(6) 13:00 - 13:25
Frequency Dependences of Leaky SAW Resonance Properties on LiTaO3/Quartz Bonded Structure
Shiori Asakawa, Masashi Suzuki, Shoji Kakio (Univ. of Yamanashi), Ami Tezuka, Jun Mizuno (Waseda Univ.)

(7) 13:25 - 13:50
Propagation and Resonance Properties of Leaky SAW on Bonded Structures Consisting of Similar and Dissimilar Material
Takumi Fujimaki, Masashi Suzuki, Shoji Kakio (Univ. of Yamanashi)

(8) 13:50 - 14:15
Fast Scanning Method for Measuring Material Homogeneity using the Line-Focus-Beam Ultrasonic-Material-Characterization System
Yuji Ohashi, Yuui Yokota, Akihiro Yamaji, Masao Yoshino, Shunnsuke Kurosawa, Kei Kamada, Hiroki Sato, Satoshi Toyoda, Takashi Hanada, Akira Yoshikawa (Tohoku Univ.)

----- Break ( 10 min. ) -----

(9) 14:25 - 14:50
c-Axis tilted ScAlN film piezoelectric transformer in the UHF range
Sarina Kinoshita (Waseda Univ./ZAIKEN), Takahiko Yanagitani (Waseda Univ./ZAIKEN/JST CREST)

(10) 14:50 - 15:15
Effect of negative ions generated from ScAl sputtering targets on kt2 and crystal orientation of ScAlN thin films
Rui Kihara (Waseda Univ.), Shinji Takayanagi (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.)

(11) 15:15 - 15:40
Extraction of kt2 of HBAR by new conversion loss without acoustic losses in the substrate
Ryota Tatsumi, Yanagitani Takahiko (Waseda Univ.)

(12) 15:40 - 16:05
Study of air-column and piezoelectric composite for air-coupled ultrasonic probe
Hiroki Ohshida, Hitoshi Kumagai, Toshihiro Tsuji, Yoshikazu Ohara, Tsuyoshi Mihara (Tohoku Univ.)

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

(13) 16:20 - 16:45
Photoacoustic signal analyses from various chromophores
Miya Ishihara, Takeshi Hirasawa, Kazuyoshi Tachi, Shinpei Okawa, Toshihiro Kushibiki, Akio Horiguchi (NDMC), Masato Sato (Tokai Univ.), Keiichi Ito (NDMC)

(14) 16:45 - 17:10
Study for quantitative evaluation of degrees of photo-aging progression using photoacoustic microscopy
Hiroki Hattori, Takeshi Namita, Kengo Kondo, Makoto Yamakawa, Tsuyoshi Shiina (Kyoto Univ.)

(15) 17:10 - 17:35
Imaging with Acoustic Resolution Photoacoustic Microscope Using Annular Array Transducer
Tatsuki Hiratsuka, So Takahashi, Kota Sato, Ryo Shintate, Shin-ichiro Umemura, Takuro Ishii, Yoshifumi Saijo (Tohoku Univ)

(16) 17:35 - 18:00
Comparative study of unidirectional and multidirectional transmission/reception in photoacoustic imaging using concave array probe
So Takahshi, Ryo Shintate (Tohoku Univ.), Kota Kawaguchi (Tohoku Univ), Naoya Kanno, Kota Sato, Yoshifumi Saijo (Tohoku 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 ASJ；Technical Committee on Ultrasonic and Underwater Acoustics, IEEE UFFC Society Japan Chapter.

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

Thu, Nov 5, 2020: [Tue, Sep 15]
Mon, Dec 14, 2020: Online [Wed, Oct 14]

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