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Design and Prototyping: The PCA process begins with the design of the PCB, which includes the layout of the circuit and the placement of components. Prototyping allows manufacturers to test the design before mass production.
Solder Paste Application: Solder paste is applied to the PCB using a stencil. This paste is crucial for ensuring that components are securely attached during the soldering process.
Component Placement: Automated machines place components onto the PCB. This step requires precision to ensure that components are correctly aligned with the solder paste.
Reflow Soldering: The PCB is then heated in a reflow oven, causing the solder paste to melt and create a strong bond between the components and the board. This process is essential for SMT.
Inspection and Testing: After assembly, the PCBs undergo rigorous inspection and testing to ensure functionality and reliability. Techniques such as Automated Optical Inspection (AOI) and X-ray inspection are commonly used.
Final Assembly: Once the PCBs pass inspection, they are integrated into the final product, which may involve additional assembly steps, such as housing and wiring.
