发明名称 |
TUNGSTEN ALLOY, TUNGSTEN ALLOY PART USING SAME, DISCHARGE LAMP, TRANSMISSION TUBE, AND MAGNETRON |
摘要 |
<p>It is an object to provide a tungsten alloy containing no thorium which is a radioactive material, which is equal to or higher in emission characteristics than a thorium-containing tungsten alloy, and a discharge lamp, a transmitting tube and a magnetron which use the tungsten alloy. According to one embodiment, a tungsten alloy includes a Hf component within a range of 0.1 wt% or more and 3 wt% or less in terms of HfO 2 .</p> |
申请公布号 |
EP2801629(A4) |
申请公布日期 |
2015.12.02 |
申请号 |
EP20120864044 |
申请日期 |
2012.12.21 |
申请人 |
KABUSHIKI KAISHA TOSHIBA;TOSHIBA MATERIALS CO., LTD. |
发明人 |
NAKANO, KAYO;YAMAMOTO, SHINICHI;HORIE, HIROMICHI |
分类号 |
C22C1/04;B22F3/10;B22F3/24;C22C1/05;C22C1/10;C22C27/04;C22C32/00;H01J1/14;H01J23/04;H01J61/06 |
主分类号 |
C22C1/04 |
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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