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
5224 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 12 |
| 2 | Jack Durie | 1 |
