Printed circuit boards (PCBs) consist of insulating substrates upon which tiny copper tracks and electrical components are placed. The thickness value of a copper track is often expressed in copper we...
Karen Lin
Mar 11,2014
3851 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 3 |
| 2 | Tinny xn | 1 |
