Urgent customer's urgency, think what customers want,
Take the quality as the root, service for this
 Order Hotline： |
| 0755-85298917-606 |
Urgent customer's urgency, think what customers want,
Take the quality as the root, service for this
| Order Hotline： |
| 0755-85298917-606 |
Shenzhen wanchuangxing electronics co. LTD
Contact number:
0755-85298917-606（Sales department）
0755-85298917-602（The Marketing Department）
0755-66802023（Market line）
fax：0755-85298017
e-mail：szwcxpcb@163.com
24H Service telephone：
18028766818（Mr. Wu）
15999646351（Ms. Wu）
URL：Http://www.wcxpcb.com
address：Building 5, fuyong tong tailli industrial park, baoan district, shenzhen
What is the most important difference between a PCB board and a double panel?
The same time as
Although by looking at the PCB board section of the four-layer board, in fact, this method is more difficult, very few people have this eye.
But by observing the guide hole can identify four plates. If the PCB board can be found on the front and back of the same guide hole,
Or the motherboard or graphics card facing the light source, if the location of the hole can not be transparent is a four-layer board.
The same time as
Four-layer board is on the basis of double-panel and then through the pressure,
When the pressure will be on both sides of the double-sided plate with PP and copper,
And then after high temperature and pressure into a multi-layer board. Simply speaking, is the four-story board has an inner layer,
In the process of speaking through the inner layer of some of the lines, after pressing to suppress.
Double-sided plate is sent directly to the sheet before the cut can be made after drilling.
wangwang
