Wehnelt apertures, 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 Size Pack Size Availability Price Updated: 20-06-2024
EMS49020-TA Wehnelt apertures, tantalum 200um 10 x 6 x 0.5mm Each See above $296.00 AUD
EMS49030-TA Wehnelt apertures, tantalum 300um 10 x 6 x 0.5mm Each See above $296.00 AUD
EMS49040-TA Wehnelt apertures, tantalum 400um 10 x 6 x 0.5mm Each See above $296.00 AUD
EMS49050-TA Wehnelt apertures, tantalum 500um 10 x 6 x 0.5mm Each See above $296.00 AUD
EMS49075-TA Wehnelt apertures, tantalum 750um 10 x 6 x 0.5mm Each See above $296.00 AUD
EMS49100-TA Wehnelt apertures, tantalum 1000um 10 x 6 x 0.5mm Each See above $296.00 AUD