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Title:
フェライト含有充填材の製造方法、電磁波加熱材料、電磁波遮蔽材料
Document Type and Number:
Japanese Patent JP4451328
Kind Code:
B2
Abstract:

To provide an inexpensive filler containing ferrite useful as an electromagnetic wave heating material or an electromagnetic wave shielding material.

Content of Fe2O3and Fe3O4is increased in a filler by heating and stirring slag granules or a crushed matter containing iron under oxygen rich state before quenching. The slag granules or the crushed matter is electric furnace oxidation slag, copper slag or electric furnace dust treatment slag. The filler is used by being added to plastic, rubber, concrete, pottery, ceramic, or the like.

COPYRIGHT: (C)2006,JPO&NCIPI


Inventors:
Eiji Fuchigami
Kumao Hoshino
Keiichi Tsuruyama
Application Number:
JP2005031178A
Publication Date:
April 14, 2010
Filing Date:
February 08, 2005
Export Citation:
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Assignee:
Hoshino Sansho Co., Ltd.
International Classes:
H05K9/00; C04B18/14; C08K3/22; C08L101/00
Domestic Patent References:
JP11100212A
JP2005032683A
JP2001352194A
Foreign References:
WO1996005002A1
Attorney, Agent or Firm:
Tadao Usami