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水晶(Specifications)

Type

 

Dimensions(mm)

 

 

Z

X

Y

Y bars

Lo-8.5

20±0.2

10±0.2

180-200

Z bars

Lo-8.5Z

L2-15Z

φ=2

20±0.2

34±0.2

 

10±0.2

65±0.2

180-200

180-200

As grown

quartz bars

Po-85

80-90

100-120

210-230

原材

Po-120

115-125

110-130

210-230

Main properties of Quartz:

1. Electrical and optical twins shall not be present.

2. Free from cracks and and fractures in regions to be used

3. The amount of visible inclusions per cubic centimeter,

Except in the section of seed shall not exceed the following:

a. inclusions bigger than 100µm 1

b. inclusions between 70-100µm 4

c.  inclusions between 30-70µm  8

4.Q-value

  GradeA        >3.0×106

GradeB        >2.4×106

GradeC        >1.8×106

5.Optical homogeneity △n<5× 106

6.The dimensions of the seeds in Z directions are 2mm±0.5mm.the angle deviation for seeds less than 15’.  

 

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