|
Grade
|
Bubbles and Inclusions
|
Homogeneity
|
|
|
Bubble grade given for every 100 cm3.*
|
Δn-value
|
|
|
DIN 58927
|
DIN ISO
10110
|
TBCS value**
|
Striae class as
per DIN ISO 10110
|
PV value
(Peak-to-Value)
|
|
Suprasil® 311
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 3 · 10-6
|
|
Suprasil® 312
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 4 · 10-6
|
|
Suprasil® 3001
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 4 · 10-6
|
|
Suprasil® 3002
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 10 · 10-6
|
|
Suprasil® 300
|
0
|
1/ 1*0.08
|
≤ 0.015
|
according to MIL
|
n. sp.
|
|
Suprasil® 1
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 5 · 10-6
|
|
Suprasil® 2 Grade A
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 5 · 10-6
|
|
Suprasil® 2 Grade B
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 10 · 10-6
|
|
Suprasil® CG
|
0
|
1/ 1*0.08
|
≤ 0.015
|
according to MIL
|
≤ 30 · 10-6
|
|
Suprasil® 1 ArF / KrF
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 5 · 10-6
|
|
Suprasil® 2 ArF / KrF
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 5 · 10-6
|
|
Spectrosil® 2000
|
0
|
1/ 1*0.08
|
≤ 0.015
|
2 / -;5
|
≤ 10 · 10-6
|
|
Homosil® 101
|
0
|
1/ 2*0.10
|
≤ 0.03
|
2 / -;5
|
≤ 3 · 10-6
|
|
Herasil® 102
|
0
|
1/ 1*0.20
|
≤ 0.1
|
2 / -;5
|
≤ 4 · 10-6
|
|
Infrasil® 301
|
0
|
1/ 1*0.16
|
≤ 0.03
|
2 / -;5
|
≤ 5 · 10-6
|
|
Infrasil® 302
|
0..1
|
1/ 1*0.35
|
≤ 0.1
|
2 / -;5
|
≤ 6 · 10-6
|
|
HOQ® 310
|
2...3
|
1/ 1*0.63 ≤ 6 kg
1/2*1.0 > 6 kg
|
≤ 0.5
|
n. sp.
|
n. sp.
|
*Quartz glass from Heraeus is free of inclusions. Bubbles or inclusions ≤ 0.08 mm diameter are not counted.
**Total cross sections (in mm2) of all bubbles.
|
|
