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Oxidation-resistant seal

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专利汇可以提供Oxidation-resistant seal专利检索,专利查询,专利分析的服务。并且A seal for an electrical device comprising a fused silica member, a refractory metal lead-in conductor and an oxidation preventing barrier of silicone. The conductor has a foil portion attached to an outer lead which is embedded in the fused silica member thereby forming a capillary passage from the ambient air to the foil portion. This capillary passage is effectively closed off from moisture by filling it with a moisture-resistant, heatresistant polymeric hydrocarbon silicone resin.,下面是Oxidation-resistant seal专利的具体信息内容。

  • 2. A seal as claimed in claim 1 wherein the polymeric hydrocarbon silicone is a mixture of two or more polymeric silicones in which the ratio of hydrocarbon groups to silicon atoms is between 1.0 and 1.9.
  • 3. A seal as claimed in claim 2 wherein the hydrocarbon groups are methyl and phenyl.
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