发明名称 |
Tin oxide, titanium oxide and/or zirconium oxide coated beta -eucryptite particles having a negative coefficient of linear thermal expansion and sealing compositions containing said particles |
摘要 |
A powder having a negative coefficient of linear thermal expansion and sealing compositions containing the same are disclosed wherein the powder is a beta -eucryptite particle having on the surface thereof a layer of tin oxide, titanium oxide, and/or zirconium oxide.
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申请公布号 |
US4352889(A) |
申请公布日期 |
1982.10.05 |
申请号 |
US19810301860 |
申请日期 |
1981.09.14 |
申请人 |
NGK SPARK PLUG CO., LTD. |
发明人 |
TAKAMI, AKIO;KONDO, KAZUO |
分类号 |
C03C8/24;(IPC1-7):C03C3/10;C03C14/00;C03C3/30 |
主分类号 |
C03C8/24 |
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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