초록 ▼

A spark plug with a spark electrode prepared by mixing at least a matrix material of a titanium compound (e.g., TiO2, TiC, TiN, etc.) with an electrical conductivity-imparting substance (e.g., Pt and Pd, or a mixture of Pt, Pd and a noble metal, e.g., Au, Ru, Ag, Rh, etc.) and sintering the resultin

A spark plug with a spark electrode prepared by mixing at least a matrix material of a titanium compound (e.g., TiO2, TiC, TiN, etc.) with an electrical conductivity-imparting substance (e.g., Pt and Pd, or a mixture of Pt, Pd and a noble metal, e.g., Au, Ru, Ag, Rh, etc.) and sintering the resulting mixture.

대표청구항 ▼

A spark plug having a spark electrode at a position thereof facing an external electrode wherein said spark electrode is prepared by mixing at least a titanium compound and a noble metal selected from a group consisting of Pt, a mixture of Pt and Pd, or a mixture of noble metals consisting of (a) a

A spark plug having a spark electrode at a position thereof facing an external electrode wherein said spark electrode is prepared by mixing at least a titanium compound and a noble metal selected from a group consisting of Pt, a mixture of Pt and Pd, or a mixture of noble metals consisting of (a) a member selected from a group consisting of Pt and Pd and (b) at least one member selected from a group consisting of Au, Ru, Ag and Rh, forming the resulting mixture into the shape of a spark electrode, and then sintering the mixture, wherein the titanium compound is the major ceramic component of the spark electrode.