PELCO silicon nitride X-ray windows, square

The new X-Ray Windows feature larger frames and apertures and are made to the View Product

EM apertures, Pt-Ir, Type B, 3x0.25mm

These EM disc apertures made from platinum-iridium (95:5) are type B (70-90 degree window) and...

PELCO silicon aperture frames

The PELCO silicon aperture frames are 3mm disc type frames with a thickness of 200um and squar...