Printed Circuit Board Manufacturing for Dummies
One of several essential ideas in electronics could be the printed circuit board or PCB. It's so elementary that individuals generally forget about to explain what a PCB is絲網印刷:把預先設計好的電路圖制成絲網遮罩,絲網上不需要的電路部分會被蠟或者不透水的物料覆蓋,然後把絲網遮罩放到空白線�