Single crystal quartz wafer is an excellent substrate for microwave filters for wireless communication industries.
MTI can provide high quality quartz wafers for both research and industries production at the lowest price.
Typical Physical Properties
PurityWt %
•SAW grade: > 99.9 •Optical grade: 99.99
Crystal Structure
Hex.a = 4.914 Åc = 5.405 Å
Growth Method
Hydrothermal
Hardness
7.0 Moh’s
Density
2.684 g/cm3
Melt Point
1610 oC( phase transition point: 573.1 oC )
Specific heat
0.18 cal/gm
Thermoelectric Constant
1200 mV /oC @ 300 oC
Thermal conductivity
0.0033 cal/cm/ oC
Thermal expansion (x10-6/ oC)
•a11: 13.71 •a33: 7.48
Index of Refraction
1.544
Q value Acoustic velocity, SAW Frequency constant, BAW Piezoelectric coupling ,
•1.8 x 106 min. •3160 ( m/sec ) •1661 ( kHz/mm ) •K2 (%) BAW: 0.65SAW: 0.14
