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Glazed ceramic article, metal and ceramic assembly having glazed ceramic article and vacuum switch having metal and ceramic assembly
Glazed ceramic article, metal and ceramic assembly having glazed ceramic article and vacuum switch having metal and ceramic assembly
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机译:釉面陶瓷制品,具有釉面陶瓷制品的金属和陶瓷组件以及具有金属和陶瓷组件的真空开关
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摘要
A glazed ceramic article is provided which comprises a glaze layer (71; 71'b, 71'c; 102a) formed on an outer surface of a ceramic main body (10a; 10'b, 10'c; 102b). The glaze layer (71; 71'b, 71'c; 102a) is made of a glaze comprising 60 to 74 % by weight of Si when calculated in terms of SiO2 and 16 to 30 % by weight of Al when calculated in terms of Al2O3. Such a composition can raise the softening temperature and can prevent deterioration of the appearance due to the surface roughening caused at the time of soldering of a metallic member (61; 101) to the ceramic main body (10; 10') after glost firing and deterioration of the insulation ability due to adherence of dirt to the surface of the glaze layer. A metal and ceramic assembly having such a glazed ceramic article, and a vacuum switch having such a metal and ceramic assembly are also provided.
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