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When was the scanning electron microscope made?

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When was the scanning electron microscope made?

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The first scanning electron microscope image was observed by Knoll in 1937. The first scanning electron microscope design was patented by von Ardenne in 1939. Oatley and others developed the instrument further and the first commercially produced instrument was manufactured by Cambridge Instruments in 1965.

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Ernst Ruska invented the scanning electron microscope in 1937. The Siemens Corporation brought the first commercially available instrument to market in 1939. The instrument featured a magnification of 30,000x.

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