inSMTIn surface mount technology (SMT) processing, some customers have requirements for the glossiness of solder joints. Solder joints with higher glossiness offer a better appearance experience. The glossiness of solder joints andSMTThere are many aspects related to surface mount technology (SMT). Now, Shenzhen JJY Solder Paste Manufacturer will give you a brief introduction:

1If the tin powder in the solder paste undergoes oxidation, it will affect the gloss of the solder joints.

2The glossiness is also related to whether additives that can produce a matting effect are added to the flux.

3InSMTIn the reflow soldering process of surface mount technology (SMT) processing, the preheating temperature is relatively low, which leads to the retention of residues that are difficult to evaporate on the surface of the solder joints and also affects the gloss of the solder joints.

4After welding is completed, if rosin or resin-like residues remain on the surface of the weld point, it will also affect the gloss of the weld point.

5Apart from the production and processing techniques, the selection of raw materials also has a significant impact on the glossiness of the solder joints, such as whether they contain silver or notSolder pasteThe glossiness of the processed solder joints is different. If there are requirements for the glossiness of the solder joints, it is necessary toSMTClear requirements should be put forward before the surface mount technology (SMT) processing is carried out, so as to facilitate the selection of production raw materials and processes.

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