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Cathode ray tube having inert barrier between silver chloride seal and photo cathode

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专利汇可以提供Cathode ray tube having inert barrier between silver chloride seal and photo cathode专利检索,专利查询,专利分析的服务。并且An illustrative embodiment of the invention shown a method and apparatus for joining a crystalline magnesium fluoride faceplate to the envelope of a photomultiplier tube. The bialkali photocathode deposited on the faceplate is protected from the chemically incompatible silver chloride sealing compound by a preglazed glass frit that acts as a barrier between the photocathode and the seal.,下面是Cathode ray tube having inert barrier between silver chloride seal and photo cathode专利的具体信息内容。

  • 2. A structure according to claim 1 wherein said photocathode comprises at least two alkali metals.
  • 3. A structure according to claim 2 whereIn said two alkali metals comprise alternate layers of sodium and potassium evaporated on said faceplate.
  • 4. A structure according to claim 1 wherein said faceplate comprises at least a portion of a magnesium fluoride crystal.
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