MgAl2O4 ( spinel ) single crystals are widely used for bulk acoustic wave and microwave devices and fast IC epitaxial substrates.

Yttrium aluminate (YAlO3, YAP) single crystal is an important crystal matrix material similar to YAG single crystal with excellent optical and physical and chemical properties.

ZnO material is a kind of direct band gap wide gap semiconductor material

Gadolinium gallium garnet (GGG) is used for a magneto-optical film (YIG thin film or BIG) a special substrate in the optical communication apparatus

Major capability parameter Crystal structure M4 Growth method Czochralski method Unit cell constant a=3.756Å   c=12.63 Å Melt point（℃） 1650 Density 5.92（g/cm3） Hardness 6-6.5（mohs） Dielectric constants ε=16.8 Size 10x3，10x5，10x10，15x15，，20x15，20x20， Ф15,Ф20，Ф1″，Ф2″,Ф2.6″ Thickness 0.5mm，1.0mm Polishing Single or double Crystal Orientation ＜001＞   redirection precision ±0.5° Redirection the edge: 2°（special in 1°） Angle of crystalline Special size and orientation are available upon request Ra: ≤5Å（5µm×5µm） Pack 100 clean bag，1000 exactly clean bag