We develop and produce vacuum feedthroughs in our departments using glass-to-metal seal (kovar glass or pressured seal). The feedthroughs can be welded to custom flanges.
The feedthroughs can be categorized as follows:
Links:
[1] http://ebt.isibrno.cz/en/figure/vacuum-feedthroughs-high-currents
[2] http://ebt.isibrno.cz/en/single-pin-vacuum-feedthrough