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Electron multiplier with preamplifier

阅读:466发布:2023-03-25

专利汇可以提供Electron multiplier with preamplifier专利检索,专利查询,专利分析的服务。并且A spiraled electron multiplier assembly fabricated of six twisted channels fused into a solid bundle or array, the input section of the electron multiplier being provided with a flared input section formed of a straight channel portion and a flared input portion integrally formed therewith. The input section is assembled with a spiraled multiplier section by means of a collar-like or tab-like electrode for establishing a voltage potential at the output section of the flared section and the input to the multiplier section, the flared input section being slightly spaced from the spiraled electron multiplier.,下面是Electron multiplier with preamplifier专利的具体信息内容。

1. An electron multiplier assembly including a multi-channel electron multiplier section, said assembly comprising: a single channel electron multiplier preamplifier means positioned, relative to the path of an occurrence, ahead of the electron multiplier section; said preamplifier having an integrally formed flared input portion, said preamplifier being removable from said multi-channel multiplier section so that the area and configuration of the input surface to said multi-channel multiplier is variable, said preamplifier section being positioned to have an output end in the close proximity of the input end of said multi-channel multiplier section; and means for establishing an accelerating field within said preamplifier and multi-channel electron multiplier.
2. The improvement of claim 1 further including a metal terminal having a generally round portioN and an elongated tab portion, said round portion being attached to said input and output portions to support said pre-amplifier relative to said multi-channel electron multiplier section.
3. The electron multiplier of claim 1 wherein said preamplifier means has an inside diameter approximately equal to the diameter of a circle circumscribing all channels of said multi-channel multiplier section.
4. The electron multiplier of claim 1 wherein said preamplifier means has a length which exceeds its diameter by at least an order of magnitude.
5. The electron multiplier of claim 1 wherein said preamplifier has a length in the order of twenty times its diameter.
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