| 申请日期 | 2026-04-25 | 申请号 | DE60307743 |
| 公开（公告）号 | DE60307743T2 | 公开（公告）日 | 2007-09-13 |
| 公开国别 | DE | 申请人省市代码 | 全国 |
| 申请人 | NGK SPARK PLUG CO | ||
| 简介 | Sintered silicon nitride containing silicon nitride substantially as a primary component and substantially no Al2O3, containing at least one element selected from among a Group 4 element of the periodic table, a rare earth element, and Mg, wherein the amount of the selected element as converted to its oxide is at least 0.5 mol% and less than 2.6 mol% on the basis of the entirety of the sintered silicon nitride. | ||
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