PCB manufacturer China How to do high-complex PCB
DFM of high-complex PCB from PCB manufacturer China
We need to pay special attention to suppliers, materials, design, etc. when doing high-complexity PCB DFM. For example, in PCB design, the more layers, the layer alignment accuracy will decrease. Therefore, when considering the aperture Be especially careful with the distance from the hole to the line. Similarly, the hole width of the vias should also be increased, because the alignment is not accurate, and the disk may be broken when drilling. Therefore, when we design a board with a large number of layers, we must appropriately increase the diameter of the inner orifice disk. In addition, when considering the distance from the hole wall to the trace, we must pay special attention to the shrinkage of the high Tg board under thermal shock conditions.
When designing high-complexity PCBs, you must be careful about surface treatment. Judging from the situation we currently use, hot air leveling is not suitable for high-rise, large-size and high-complexity boards. For ENIG, due to some fine-pitch and dense-pitch devices on high-complexity boards, the size of the pads is very small, which will greatly increase the sensitivity to black disks. Therefore, we are basically on high-complexity boards. The use of ENIG surface treatment is prohibited. For OSP, it is necessary to consider its adaptability to ICT testing.
Other news about S&L
- Sun&Lynn Circuits CO., Ltd. was invited to attend the Sixth Global Customs AEO Conference!
- Celebrating the Establishment of SUNLYNN CIRCUITS(THAILAND)
- Good News! Sun&Lynn Circuits Co.,Ltd. is honored as one of the Top 100 Innovative Enterprises in Bao
- What Should You Know about Metal Core PCB
- FPC supplier : the types of Flexible PCB
- PCB manufacturer China:Why PCB board snake line, what is it used for?
- What is Metal Core PCB and types of Metal Core PCB?
- Why are High frequency PCBs much more expensive than normal PCBs?
- Flexible PCB supplier China :When to use flexible PCB?
- Flexible PCB manufacturer:What Is Flex Soldering?
Your browsing history
- S&L Circuit board wiring
- Rigid flex PCB:iPhone 13 release date comfirmed?
- Flexible PCB supplier china :The characteristics of Flexible pcb circuit board
- S&L PCB company is an organization that produce PCBs
- PCB supplier China:What is a circuit board made of?
- Flexible PCB manufacturer: How to Fabricate FPC?
- PCB manufacturer:What are the Types of PCBA Conformal Coating
- Heavy copper PCB Boards exhibit a high tolerance capacity
- PCB manufacturer China:What is a double-layer PCB?
- Flex rigid PCBs VS Rigid flex PCBs: How Are They Different?
A total of -comments【I want to comment】