We specialise in metal-to-ceramics vacuum tight joints and technical ceramics for a variety of industries. Our current focus is vacuum technology.

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W E   P O W E R   T H E   F U T U R E

Al2O3 technical ceramics in complex applications.

Glass or ceramics to metal hermetic seals. 

We provide standard and custom-made solutions.

We make sintered alumina rings for vacuum applications, brazed vacuum-tight joints, insulators, bushings, metallised ceramic parts, housings for power semiconductors, and many others.


Alumina Systems s.r.o. is part of Alumina Redwitz Holding GmBH



Staff: 60
Contact person: Michal Rufert, CEO, mrufert@alumina.systems


We are ready to provide expert solutions to your requirements.

We work with renowned technical universities in the European Union.

We offer solutions in 3D design and are fitted with a 3D printing machine.  


15/05/2013 06:23

Viewport VD 24[1,6] - YAG:Ce (NW35CF)

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03/05/2013 08:50

Viewport - NW35CF


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07/04/2013 11:03

Vacuum insulator 15kV

- Weldable, ISO KF, ConFlat: Voltage Rating 15 kV DC Insulators - isolators  

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Alumina Systems s.r.o.

Kladska 916/65
Hradec Kralove

+420 495 407 549