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Apertures, 19.99 x 0.25mm, Molybdenum

19.99mm dia, 0.25mm thick. Molybdenum. High-quality disc apertures for use in electron microscopes, Focus Ion Beam, microprobe and X-ray systems.

All prices exclude VAT.
Name & Code
Grouped product items
Code & DescriptionAvailabilityPriceQty
AGA1220M
Molybdenum Aperture 19.9mm x 0.25mm 1000um Hole
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£149.14
£149.14
AGA1221M
Molybdenum Aperture 19.9mm x 0.25mm 1200um Hole
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£149.15
£149.15
AGA1222M
Molybdenum Aperture 19.9mm x 0.25mm 1500um Hole
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£158.54
£158.54
AGA1223M
Molybdenum Aperture 19.9mm x 0.25mm 2000um Hole
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£169.26
£169.26
Product Description

We have a wide range of high-quality disc apertures for use in electron microscopes, Focus Ion Beam, microprobe and X-ray systems. These apertures are manufactured to tight tolerances with precision drilled holes. They are usually made from a platinum/iridium alloy 95:5% or molybdenum, although tantalum can be supplied for some applications. Platinum apertures can be made with hole sizes down to 5µm diameter whereas the smallest size for molybdenum is 10µm. We maintain a stock of all the regularly used aperture sizes with disc diameters and thicknesses to suit all current EM systems. We also have apertures for systems that are no longer manufactured but are still in use.

Please note: molybdenum forms an oxide layer when stored for long periods. We can therefore guarantee the material for no longer than 4 - 6 weeks.

The apertures can also be used for non-electron microscopy applications where precision small holes are required for light optics, gas and liquid flow purposes.

Non-standard sizes can be supplied to special order.

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PRICE & AVAILABILITY: Please note that while we are working closely with our suppliers to minimise any global supply chain issues, prices and availability may be subject to change at short notice.