Tungsten filaments for electron guns

all shapes, all brands 

Nanoptik filament technologies, result of more than 40 years in expertise in electronic optics, are compatible with most tungsten sources for electron microscopy (SEM, TEM), spectrometry (EPMA) and primary sources for ray guns. 100 µm- or 120 µm-diameter braided filaments offer a wide range of contrast and excellent brightness for imaging. Our filament refurbishment service extends your products lifetime and decreases your laboratory costs.

Making and delivery process

Find your filament

Best brightness, long lifetime and lower running costs. Stress-reducing by heat flash under vaccum operating conditions. Final test for filament-centering accuracy. Six months warranty standard with exchange.

Save money, refurbish

Repair service for any type of filaments with provided bases. The best solution to increase filament lifetime. Same performances. Same warranties.