Tantalum Aperture for Wehnelt - 750um Hole

51-1625-0191
Replaceable apertures for the Wehnelt cylinder can be supplied to fit some microscopes.
£ 200.00
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Description

Replaceable apertures for the Wehnelt cylinder can be supplied to fit some microscopes. A hole size smaller than normal gives improved characteristics for most electron guns. Used in Philips/FEI, Leitz and Amray. Aperture diameter 10mm.

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