| 发明名称 |
Metallizing composition on alumina porcelain |
| 摘要 |
A metallizing composition consists of 100 parts by weight of tungsten as a main component, from 2 to 12 parts by weight of Al2O3, from 0.1 to 0.8 parts by weight of Ta2O5, from 0.3 to 1.5 parts by weight of SiO2, and from 0.1 to 0.5 parts by weight in total of CaO and MgO as an additive.
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| 申请公布号 |
US4783380(A) |
申请公布日期 |
1988.11.08 |
| 申请号 |
US19870093289 |
申请日期 |
1987.09.04 |
| 申请人 |
NGK SPARK PLUG CO., LTD. |
发明人 |
NAKAYAMA, YUKITO;ITO, MASAAKI;ANDO, MINATO |
| 分类号 |
C04B41/51;C04B41/88;H05K1/09;(IPC1-7):H01B1/06 |
主分类号 |
C04B41/51 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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