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

Please choose carefully. Returns of this item are subject to approval.

Updated: 03-04-2025

Code	Hole Size	Size	Pack Size	Availability	Price
EMS49020-TA	200um	10 x 6 x 0.5mm	Each	0 in stock (?)	$276.00 AUD
EMS49030-TA	300um	10 x 6 x 0.5mm	Each	0 in stock (?)	$276.00 AUD
EMS49040-TA	400um	10 x 6 x 0.5mm	Each	0 in stock (?)	$276.00 AUD
EMS49050-TA	500um	10 x 6 x 0.5mm	Each	0 in stock (?)	$276.00 AUD
EMS49075-TA	750um	10 x 6 x 0.5mm	Each	0 in stock (?)	$276.00 AUD
EMS49100-TA	1000um	10 x 6 x 0.5mm	Each	0 in stock (?)	$276.00 AUD

* Ordering Schedule

This item is available for back-order where 0 stock is listed.
We order from this manufacturer weekly, with an estimated lead time of 4 weeks.

This is the estimated lead time, based on the average time taken previously to fill orders from this particular supplier.
Lead times are from when we receive your order until when we fill your order. For delivery times, please see shipping information below.