Wehnelt Aperture, tantalum

Made from 0.004" tantalum foil. Replaceable tantalum apertures for some microscopes (Amray and Philips). They improve the performance of the electron gun.
Code Title Hole size Pack Size Availability Price Updated: 09-12-2021
EMS49020-TA Wehnelt Aperture, tantalum 200um Each 2 weeks AU $268.00
EMS49030-TA Wehnelt Aperture, tantalum 300um Each 2 weeks AU $268.00
EMS49040-TA Wehnelt Aperture, tantalum 400um Each 2 weeks AU $268.00
EMS49050-TA Wehnelt Aperture, tantalum 500um Each 2 weeks AU $268.00
EMS49075-TA Wehnelt Aperture, tantalum 750um Each 2 weeks AU $268.00
EMS49100-TA Wehnelt Aperture, tantalum 1000um Each 2 weeks AU $268.00