-elemental semiconductors
 (Si, Ge) and 
 semiconducting compounds
 (e.g. GaAs, GaP, InP, InSb,
 CdTe, ZnSe ...)

-standard wafer and pre-
 formated substrates direct
 from stock, 
 also in single pieces

-special shaped crystals and
 non-standard properties on
 request