Today I will share the impact assessment of batch process of 40Z and above (inclusive) copper thickness of heavy copper PCB with you. Hope it will be helpful to you.
Note: ○ indicates no effect; △ indicates a certain influence; ☆ indicates a direct effect.
| Items | Category | Influence | Influence degree |
| 1 | Inner layer | At present, 4OZ and above (inclusive) copper thickness material codes of the inner layer circuit is made from outer dry film. | ○ |
| 2 |