The reasons for the deformation of the negative film and its solution: The reason:(1) Temperature and humidity control failure(2) The exposure machine temperature rises too highSolution:(1) Norma...
lesley
Jul 25,2019
5235 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 9 |
| 2 | Xiaoyang Ma | 1 |
| 3 | Engineer | 1 |
| 4 | Christian Davies | 1 |
