In addition, the solder mask coating on printed circuit board, with the plasma treatment, can also obtain certain roughness and high active surface, thus improving the solder coating adhesion.
另外，在阻焊膜涂覆前，用等离子体对印制电路板面处理一下，还可获得一定的粗糙度和高活性的表面，从而提高阻焊膜层的附着力。
This paper introduces the use and the action of Surface active agents in pulp, deinking, wet end, sizing, coating and polutional treatment.
介绍了表面活性剂在制浆、废纸脱墨、造纸湿部、表面施胶与涂布以及污水处理等方面的应用与作用。
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