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Technical Committee on Electromechanical Devices (EMD)
Chair: Ryo Nagase (Chiba Inst. of Tech.) Vice Chair: Kiyoshi Yoshida (Nippon Inst. of Tech.)
Secretary: Makoto Hasegawa (Chitose Inst. of Science and Tech.), Junya Sekikawa (Shizuoka Univ.)
Assistant: Yasuhiro Hattori (Sumitomo Denso)

Fri, May 21, 2010 13:30 - 17:15

Akita University Venture Business Laboratory( Prof. Hiroshi Inoue. +81-18-889-2491)


Fri, May 21 PM (13:30 - 17:15)

----- Opening Address ( 5 min. ) -----

(1) 13:35 - 14:00
A study on VCO with ring oscillator for wideband application
Goh Kobayashi, Yoshiki Kayano, Hiroshi Inoue (Akita Univ.)

(2) 14:00 - 14:25
Measurement and Analysis of Magnetic Field in Birdcage Coil used in Hyperthermia System
Toshimitsu Obinata, Ryuki Takagi, Hidetoshi Nakayama, Takashi Kasuga (NNCT)

(3) 14:25 - 14:50
Study on Suppression Effect and Invasiveness for Near Electromagnetic Field Noise by Suppression material
Yuta Ohkubo, Atsushi Nakajiri, Yuki Matsumoto, Hidetoshi Nakayama, Takashi Kasuga (NNCT)

(4) 14:50 - 15:15
Degradation phenomenon of electrical contacts by hammering oscillating mechanism
-- modeling of the oscillating mechanism (8) --
Shin-ichi Wada, Keiji Koshida, Taketo Sonoda, Saindaa Norovling, Masayoshi Kotabe, Hiroaki Kubota (TMC), Koichiro Sawa (NIT)

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

(5) 15:30 - 15:55
Influence of Voltage on Electrode Mass Change of AgNi Contacts for Electromagnetic contactors
Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki, Masaaki Watanabe, Hideki Daijima (Fuji Electric FA Components & Systems)

(6) 15:55 - 16:20
Starting Conditions for Rotational Motion of Break Arcs Driven by a Permanent Magnet Embedded in an Electrical Contact
Naoya Takeshita, Junya Sekikawa, Takayoshi Kubono (Shizuoka Univ.)

(7) 16:20 - 16:45
A study on the contribution of heat conduction to bridge at slowly breaking contacts
Kazuaki Miyanaga, Yoshiki Kayano (Akita Univ.), Tasuku Takagi (Em. Prof. Tohoku Univ.), Hiroshi Inoue (Akita Univ.)

(8) 16:45 - 17:10
A Study on Short-Time Arc at Slowly Breaking Silver-Compound Contacts
Yoshiki Kayano, Kazuaki Miyanaga, Hiroshi Inoue (Akita Univ.)

----- Closing Address ( 5 min. ) -----

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

=== Technical Committee on Electromechanical Devices (EMD) ===

Fri, Jun 25, 2010: Kikai-Shinko-Kaikan Bldg. [Thu, Apr 15], Topics: Summer Meeting of materials and devices
Fri, Jul 16, 2010: Kikai-Shinko-Kaikan Bldg. [Sat, May 15], Topics: Electric discharge, Packaging, EMC, etc.
Thu, Aug 26, 2010 - Fri, Aug 27, 2010: Chitose Arcadia Plaza [Wed, Jun 16]

Makoto Hasegawa(Chitose Inst. of Science and Technorogy)
TEL (0123)27-6059、FAX (0123)27-6059
Junya Sekikawa (Shizuoka Univ.)
TEL (053) 478-1618、FAX (053) 478-1618
Yasuhiro Hattori(Sumitomo Wiring Systems, Ltd.)
TEL (059)382-8970、FAX (059)382-8591

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