| 申请日期 | 2026-04-18 | 申请号 | JP2013077403 |
| 公开（公告）号 | JP2013152948A | 公开（公告）日 | 2013-08-08 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | UNIV TOHOKU | ||
| 简介 | PROBLEM TO BE SOLVED : To solve the problem that a cathode body used for a magnetron has many disadvantages in increasing power.SOLUTION : A cathode body for a magnetron is obtained, which uses as a base material a high melting point metal having an electron emitting material contained therein and has a surface coated with a rare-earth boride. Preferably, the electron emitting material and the high melting point metal are LaOand W respectively, and the rare-earth boride is LaB. | ||
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