The explanation of electroplating line selection
Dec. 24, 2021The hole wall copper is divided into several points, porthole, innerside & porthole of other side. If the hole copper is uneven, it will affect the in…
The hole wall copper is divided into several points, porthole, innerside & porthole of other side. If the hole copper is uneven, it will affect the in…
Compared with the traditional CCD semi-automatic exposure machine, LDI has many advantages. For example, it does not need film, which reduces the film…
LDI exposure machine is easier to realize automatic operation, saves labor cost, greatly improves product quality and avoids defective rate.
Photoresist etching is also used as another key step in the production of printed circuit boards. Protecting the copper required during etching requir…
Advantages: it has high manufacturing precision and neat edges, process easy to control. It is suitable for the production of PCB boards with high pre…
The solder resist development process in the printed board is a relatively simple process among all processes of the printed board, but it also plays …