 |
1, Raw material cutting |
 |
|
 |
2, grinding |
|
|
 |
3, Optical contact onto tool |
 |
Or Glue onto tool |
|
|
 |
4, heating and fixing |
 |
Glue and optical contact workshop |
|
|
 |
5, Polishing |
 |
Polishing workshop |
 |
Polishing workshop |
|
|
 |
6, On-line flatness testing |
 |
Surface quality testing and cleaning before coating |
|
|
 |
7, Coating |
|
|
 |
8, Coating spectrum testing |
 |
Surface quality testing |
 |
Flatness and parallelism testing(Zygo) |
 |
Centering error testing for lens |
 |
Laser damage threshold testing |