Complete Process Introduction of SMT Mounting Technology
2026-04-29 11:24:04 - Source：PCB Prototypes
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SMT mounting technology is the core process of modern electronic manufacturing. With the advantages of high density and high stability, it has become the mainstream production method in the electronics industry.
The standard SMT production process is composed of multiple continuous steps. Every process detail will directly affect the soldering quality and overall yield of PCBA.
- Solder Paste PrintingSolder paste is accurately printed on PCB pads through stencil. As the first key step, printing quality greatly affects the follow-up soldering effect.
- Component PlacementHigh-precision pick-and-place machines automatically capture various SMD components and mount them on designated pad positions with high accuracy.
- Reflow SolderingThe mounted boards are sent into the reflow oven. Through staged temperature control, the solder paste melts and solidifies to form stable solder joints.
- Visual InspectionAOI equipment and manual inspection are adopted to detect common defects such as offset, tombstoning, solder beads and short circuits.
- Rework & Re-inspectionDefective products are repaired professionally. All reworked boards need to be rechecked to ensure qualified quality.
- Cleaning & DeliveryFlux residue is cleaned as required. Finished products will be counted and packaged before delivery.
With standardized operation and strict quality control, Globalwell provides one-stop SMT and PCBA processing solutions for global customers.
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