Sample quartz crystal request

Sample specification

1.  As-Grown type   Lumbered type

1. 1. Quality   Swept   Unswept
   2. Type   Z plate   Others
   3. Synthetic Quartz Crystals 
      X Dimension (X) +- (to) mm
      Z Dimension (Z) +- (to) mm
      Y Dimension (Y)    to      mm
   4. X Dimension of seed crystal (Xs)  mm
   5. Orientation   0°00   Others
   6. Infra-red quality indication α 3500   0.016   0.020   < 0.026 
   7. Dislocation density 
       10/cm2 max   30/cm2 max 
       100/cm2 max   300/cm2 max 
   8. Inclusion density 
       Ia grade   Ib grade   I grade   II grade 
   9. Impurity 
       AI < 10 ppm | Na, Li, K < 5 ppm 
       AI < 5 ppm | Na, Li, K < 5 ppm 
       AI < 5 ppm | Na, Li, K < 3 ppm 
       Other  
2. Others