| 发明名称 |
Spark plug insulator and a method of sintering |
| 摘要 |
A spark plug insulator is desirably made up of a sintered body of AlN-based ceramic powder comprising about 60-98% AlN and a sintering additive. There is provided on the surface of the sintered body a layer of pyrolytic boron nitride having a thickness in the range 10-100 (my)m.
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| 申请公布号 |
US5283134(A) |
申请公布日期 |
1994.02.01 |
| 申请号 |
US19910804786 |
申请日期 |
1991.12.09 |
| 申请人 |
NGK SPARK PLUG CO., LTD. |
发明人 |
SUGIMOTO, MAKOTO;TANABE, HIROYUKI;MUSASA, MAMORU |
| 分类号 |
C04B41/87;C04B35/58;C04B35/581;C04B35/584;H01T13/38;(IPC1-7):B32B9/00 |
主分类号 |
C04B41/87 |
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