发明名称 SPARK PLUG INSULATOR AND A METHOD OF SINTERING THE SAME
摘要 A spark plug insulator has a sing a sintered body which has a nitride-based ceramic powder ranging from 60 wt% to 98 wt% and a sintering additive. On an entire surface of the sintered body, a pyrolytic boron nitride layer is uniformly deposited, a thickness of which ranges from 10 mu m to 100 mu m. <IMAGE>
申请公布号 CA2056852(A1) 申请公布日期 1993.06.04
申请号 CA19912056852 申请日期 1991.12.03
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 主分类号 C04B41/87
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