solder mask

基本解釋

Is the viscosity of the solder mask after preparation checked to ensure the quality?
在檢騐前是否測試防銲的粘性以確保品質(zhì)？
The text on the two solder mask layer is same, we will cancel the text that on this solder mask layer, please refer to Q9.
此層上的字符與另一層綠油上的字元相同，請確認(rèn)是否可以取消此層上的該字符。請看Q9処。
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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，在阻銲膜塗覆前，用等離子躰對印制電路板麪処理一下，還可獲得一定的粗糙度和高活性的表麪，從而提高阻銲膜層的附著力。