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In the world of electronics, PCB circuit boards are the unsung heroes. They form the backbone of countless devices, enabling complex functions in compact forms. Understanding what a PCB circuit board is and its importance in modern electronics is crucial for anyone interested in technology. In this

1、 Core process technology1. Standard process (through-hole metallization process)Key technical points of the process, precision requirementsPreparation of FR-4/CEM-3/Aluminum Substrate Cutting → Copper Foil Thickness 1-2oz (35-70 μ m) Size Tolerance ± 0.15mmDrilling CNC mechanical drilling (apertur

1、Dimensional multi-layer circuit boardProcess steps: require 10+processes including inner layer graphic transfer, lamination alignment, laser drilling, hole metallization, etcAlignment accuracy: interlayer tolerance ≤ 75 μ m, dependent on temperature and humidity control and high-precision position