PCBA Tech - PCBA manufacturing one-stop service, which links should you pay attention to?

PCBA manufacturing one-stop service, which links should you pay attention to?
With the continuous development of science and technology, my country is increasing its investment in 5G technology and new infrastructure; e-commerce and the Internet have also undergone earth-shaking changes, the market has become very transparent, and the industrial chain has become transparent and transparent. Then you don’t need to participate in the entire production process yourself.
For PCBA manufacturers, many domestic customers choose PCBA one-stop service, so what issues must we pay attention to in order to understand the whole link in one-stop service? Next, Baiqiancheng Electronics will talk about PCBA one-stop service. Which links should you pay attention to?
PCBA one-stop service, which links should you pay attention to?

1. SMT chip processing is an important node in the PCBA manufacturing process
The printing quality of the solder paste directly determines whether the entire back-end process is necessary. So in this link, how to apply quality control for relatively special and difficult processes. If the process is very difficult, high-precision laser stencils are required. In addition, the stencils are carried out according to the PCB manufacturing documents and instructions of the PCB circuit board. Processing.
In this link, the temperature curve control of the reflow oven has a decisive effect on the quality of soldering. In addition, related testing equipment is also indispensable, such as: SPI solder paste detector, online AOI, offline AOI, and X-ray, etc. These devices can minimize the quality defects of PCB patch processing in the SMT link. Whether the relevant manufacturer has relevant inspection equipment can also be regarded as the degree of importance a manufacturer attaches to quality control. If there is not even a single inspection equipment, then how can you believe that the company can do a good job of product quality.
Two, DIP plug-in post welding
DIP plug-in post soldering is the last procedure and the most important finishing stage of the circuit board processing stage. In the process of DIP plug-in post-welding, the temperature profile of wave soldering and the quality of the furnace fixture play a very important and key role in the quality of the product. In this stage, soldering defects such as tin connection, tin shortage, and tin shortage are most likely to occur. How to improve the yield of the entire product at this stage is of significance to the factory and the customer. If there is a defect, it needs to be repaired, which is not only time-consuming and labor-intensive. It also delayed the time to market for customers' products.