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Patent Searching and Data


Title:
磁気粘性流体及び磁気粘性流体の製造方法
Document Type and Number:
Japanese Patent JP4675398
Kind Code:
B2
Abstract:

To provide a magnetic viscous fluid that achieves a small device having a narrow gap.

The magnetic viscous fluid contains magnetic particles including nanosized magnetizable metal nanoparticles and a dispersion medium which disperses the magnetic particles. Each of the magnetic particles has an oxide film and a surface modified layer of a predetermined thickness which are formed by subjecting the magnetic particle formed by an arc plasma method to surface modification by a coupling agent in the gas phase.

COPYRIGHT: (C)2009,JPO&INPIT


Inventors:
Junichi Noma
Hiroya Abe
Makio Naito
Samurai Kikuchi
Junji Koso
Application Number:
JP2008169418A
Publication Date:
April 20, 2011
Filing Date:
June 27, 2008
Export Citation:
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Assignee:
Kurimoto Iron Works Co., Ltd.
International Classes:
H01F1/44; C10M107/50; C10M125/04; C10M169/04; C10N20/06; C10N40/14
Domestic Patent References:
JP61042318A
JP10083913A
JP2006516220A
JP60161490A
JP2000002274A
JP3137196A
JP7090290A
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura
Koji Fukumoto