C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/58 (2006.01) B28B 21/70 (2006.01) C04B 35/581 (2006.01) H01T 13/38 (2006.01)
Patent
CA 2053360
In a sintered ceramic body used for an insulator of a spark plug, magnesium (Mg) is uniformly diffused into grains of a nitride-based ceramic body. An amount of the diffused magnesium (Mg) is within a range from 20 ppm to 100 ppm which is calculated by reducing the magnesium (Mg) to its oxidized component.
Konishi Masahiro
Musasa Mamoru
Sugimoto Makoto
Tanabe Hiroyuki
Konishi Masahiro
Marks & Clerk
Musasa Mamoru
Ngk Spark Plug Co. Ltd.
Sugimoto Makoto
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