Description
The technical equipment of the processing area allows one to process glass and produce:
BLANKS
Flat blanks of rectangular configuration
|
Characteristic |
Value |
| Maximum size |
770 × 770 × 70 mm |
Disks
|
Characteristic |
Value |
| Diameter |
up to 400 mm |
| Thickness |
up to 70 mm |
Prismatic blanks
Optical elements
Plane-parallel plates without requirements for flatness of operating surfaces
|
Characteristic |
Value |
| Maximum size |
480 × 480 mm |
| Ratio h/d |
1/200 |
| Thickness difference |
0.02–0.04 mm |
Plane-parallel plates and wedges
|
Characteristic |
Value |
| N (overall error) |
0.5 Newton rings |
| ∆N (local error) |
0.2 Newton rings |
| P (cleanliness class of polished optical surface) |
PIII (category 3) |
Glass Products