| 发明名称 |
FERROMAGNETIC HEATER ELEMENT AND MANUFACTURING METHOD THEREFOR |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent ferromagnetic fine particles from being broken into small pieces caused by a crack on their outer surfaces. <P>SOLUTION: A ferromagnetic heater element is constituted by forming a coating film 4 consisting of silicon dioxide on the outer surfaces of the ferromagnetic fine particles 3. <P>COPYRIGHT: (C)2004,JPO |
| 申请公布号 |
JP2004107332(A) |
申请公布日期 |
2004.04.08 |
| 申请号 |
JP20030300253 |
申请日期 |
2003.08.25 |
| 申请人 |
NIPPON SHEET GLASS CO LTD |
发明人 |
DEKI SHIGETO;DOKEN SHINJIRO;SAITO YASUHIRO |
| 分类号 |
A61K41/00;A61P35/00;A61P43/00;H01F1/11 |
主分类号 |
A61K41/00 |
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