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Heinrich Geißler,Heinrich Geissler,Geissler pump,盖斯勒,盖斯勒泵
电子发现史中的关键设备
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尽管17世纪就已经出现了抽真空的专门器具,但是直到德国波恩的一个吹玻璃的工人师傅盖斯勒(Geissler),发明了一种后来被称为盖斯勒泵的真空泵之后,才使得真空玻璃管的真空度达到0.1毫米汞柱。这种泵的核心原理和日常的水银温度计类似,巧妙地利用了水银在玻璃管里能够形成很好的真空的特性,反复稀释和抽走容器里面的空气。看得出,这是一个典型的能工巧匠的设计成果。
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毛贻军
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北京|上海
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Last edited: Apr 22, 2009 10:22 PM.
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