Platinum & Molybdenum Disc Apertures from Ladd Research

Browse and purchase top-quality gold, molybdenum and platinum disc apertures specially designed for scanning and transmission electron microscopes (SEM, FESEM and TEM). We carry disc apertures compatible with all current brands of electron microscope system manufacturers including Siemens, Cambridge, Nanolab, Topcon, ETEC, Philips, JEOL, and more. We also specialize in custom electron microscope disc apertures.

Cambridge, Cameca, JEOL, Siemens Electron Microscope Disc Apertures

Starting at: Call For Price

Disc size - 2 mm x 0.53 mm Don't see the hole size you need here? We make our apertures in house so we can provide any hole size you require, even 32.5 microns if you need it. Just contact us and tell us your needs. Learn More

Cameca 1000 µm Wehnelt Cylinder Aperture

Starting at: $94.00

Wehnelt Cylinder Aperture. Made of molybdenum or platinum. 0.470" x 0.010" thick 1000 µm aperture diameter Other sizes and materials available on request. Learn More

Cameca 800 µm 45° Mirror Aperture

Starting at: $101.00

45° Mirror aperture. Made of molybdenum or platinum. 0.236" x 0.004" thick 800 µm Aperture Diameter Other sizes and materials available on request. Learn More