发明名称 |
Resinous magnetic composition and manufacturing process |
摘要 |
<p>A resin composition comprising a synthetic resin and a powdered magnetic material, wherein (1) the powdered magnetic material is soft ferrite powder having a rate of permeability change by temperature ranging from -0.040 to 0.010%/ DEG C in a temperature range of from 20 DEG C to 80 DEG C and an average particle diameter ranging from 2 to 1,000 mu m, and (2) the powdered magnetic material is contained in a proportion of 50 to 1,400 parts by weight per 100 parts by weight of the synthetic resin, and a molded or formed product which is formed from the resin composition and exhibits a permeability stable to changes in environmental temperature.</p> |
申请公布号 |
EP0986074(A2) |
申请公布日期 |
2000.03.15 |
申请号 |
EP19990307057 |
申请日期 |
1999.09.06 |
申请人 |
KUREHA KAGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
SUZUKI, KEIICHIRO;TADA, MASAHITO |
分类号 |
H01F1/36;H01F1/37;H01F41/02;(IPC1-7):H01F1/37 |
主分类号 |
H01F1/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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