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Della Zhang

Email:zx@pcb-smt.net 

Tel:+8675526978081

Fax:+8675526978080

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Web:www.pcb-smt.net/www.pcbapcb.com 

Factory address: 3/F. 1/B, 18-2 Yuquan East Rd. Yulv Village. Guangming New district. Shenzhen. China.

Printed Circuit Board Fr4

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Printed Circuit Board Fr4

Printed Circuit Board Fr4


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Today, FASTPCBA Tech, the professional China PCB manufacturer tells you some knowledge about Printed Circuit Board Via.

As is known to all, via is one of the important parts of multilayer PCB. The cost of drilling usually makes up 30%~40% of the cost of PCB manufacture.

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Simply speaking, every hole on HDI PCB may be called via.

Functionally, via can be divided into two types: firstly, used for electro-connection among layers; secondly, used for fixing components.

Technically, it may also be divided into three types: blind via, buried via and though hole. Blind via is located on the top and bottom surfaces of the PCB, deep and used for connection of top traces with the inner layer traces below.


  

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Buried via is the connecting hole which is located in the inner layer of the High Density Interconnect PCB and wont extent to the surface.

 

Through hole goes through the whole PCB, which is used to realize inter-connection or used as components mounting position hole. Due to the simple technique and low cost, most of PCBs use it rather than the other two via.

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FASTPCBA Technology Co.,Ltd is a competitive China Printed Circuit Board Fr4 OEM manufacturer, supplier and vendor, you can get quick turn Printed Circuit Board Fr4 production prototypes and samples from our factory.
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