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.

Technical Data

Updated: 27-12-2024
Code Title Hole Size Size Pack Size Availability Price Updated: 27-12-2024
EMS49020-TA Wehnelt apertures, tantalum 200um 10 x 6 x 0.5mm Each 0 in stock (?) $276.00 AUD
EMS49030-TA Wehnelt apertures, tantalum 300um 10 x 6 x 0.5mm Each 0 in stock (?) $276.00 AUD
EMS49040-TA Wehnelt apertures, tantalum 400um 10 x 6 x 0.5mm Each 0 in stock (?) $276.00 AUD
EMS49050-TA Wehnelt apertures, tantalum 500um 10 x 6 x 0.5mm Each 0 in stock (?) $276.00 AUD
EMS49075-TA Wehnelt apertures, tantalum 750um 10 x 6 x 0.5mm Each 0 in stock (?) $276.00 AUD
EMS49100-TA Wehnelt apertures, tantalum 1000um 10 x 6 x 0.5mm Each 0 in stock (?) $276.00 AUD