| 申请日期 | 2025-06-27 | 申请号 | EP11160681 |
| 公开（公告）号 | EP2372851B1 | 公开（公告）日 | 2017-06-28 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | NGK SPARK PLUG CO LTD | ||
| 简介 | A plasma jet ignition plug is provided having high ignition performance and high durability. In the plasma jet ignition plug, at least a front end portion including a front end surface of a center electrode contains an oxide of at least one of rare earth elements in a total amount of 0.5% by mass to 10% by mass inclusive and W in an amount of 90% by mass or greater or contains Ir in an amount of 0.3% by mass to 3% by mass inclusive and W in an amount of 97% by mass or greater. | ||
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