Category Archives: Printed Circuit Board

What is a Countersink Hole & How to Use it on PCB Pads

Many people are perplexed by countersink holes (often called sink hole or countersunk hole) on PCB boards. Indeed these terms deserve a good explanation. A countersunk hole is simply a normal right cy 阅读全文...
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Improve your PCB Solderability

Good solderability of PCB pad is critical to make working PCB assembly. Solder joints are often used to make both electronic and mechanical connections. A pad with poor solderability cause cold solde 阅读全文...
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Make DIY PCB Professionally

Stuck in the mode of continuous improvement (what people at Toyota called Kaizen), I was always on the look out to see how others make PCB boards, hoping to learn something good. The following is a pr 阅读全文...
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