1950 | Viktor Kyburz establishes the enterprise, starting with the fabrication of technical stones for the watch-industry.
1968 | Construction of a factory of 700 m2 production surface in Safnern.
1975 | Peter Kyburz takes over the direction of the enterprise. Beginning of the fabrication of sapphire optical windows.
1983 | The development of new production methods enables the fabrication of prisms and spherical lenses.
1995 | The implementation of sapphire lenses in the medical engineering opens up a new market.
2000 | Acquisition of a new company-building of 1500 m2 production surface.
2004 | The development of new production methods facilitates the manufacturing of sapphire crystal glasses for the aviation.
2008
| Development and Delivery of Sapphire substrates for the LISA – Pathfinder
Program, of ESA http://sci.esa.int/jump.cfm?oid=43744