| 发明名称 |
Induction coil core, illumination unit using the same, and polycrystalline ferrite |
| 摘要 |
The induction coil core used for an induction coil of a discharge lamp, the discharge lamp including: a bulb containing discharge gas inside; and the induction coil for generating an electromagnetic field with a frequency in a range of 50 kHz to 1 MHz inclusive in the bulb. The core is made of a Mn-Zn polycrystalline ferrite and has a Curie temperature of 270° C. or more.
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| 申请公布号 |
US6650068(B2) |
申请公布日期 |
2003.11.18 |
| 申请号 |
US20010796794 |
申请日期 |
2001.03.02 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KURACHI TOSHIAKI;MIYAZAKI KOJI;SEKI KATSUSHI;TAKEDA MAMORU |
| 分类号 |
C01G49/00;C04B35/26;H01J65/04;(IPC1-7):H05B41/24 |
主分类号 |
C01G49/00 |
| 代理机构 |
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