source:News release time:2023-07-14 Hits: Popular:PCB Assembly company
Circuit panel paste is a process process in reflux welding. Back welding is also called re -welding, which is a welding technology developed with the emergence of miniature electronic products. It is mainly used for welding of various surface assembly components. This welding technology is a welded paste. Apply a proper amount and appropriate form of welded paste on the pads of the circuit board, and then put the SMT components to the corresponding position; the weld paste has a certain stickiness to fix the component; then let the circuit of the component device be installed with the component device The board enters the re -welding equipment. The transmission system drives the circuit board through the temperature area set in the device. The weld paste is welded, preheating, melting, wetting, and cooling, and the components are welded to the printed board. The core link of the return welding is to use the external thermal source to heat, so that the solder is melted and flowing again, and the welding process of the circuit board is completed.
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