Introduction In today’s highly integrated electronic devices, the performance of Integrated Circuits (ICs) continues to improve while their physical size keeps shrinking. This development trend poses unprecedented challenges for chip packaging technology. As a key intermediary connecting the chip and the Printed Circuit Board (PCB), the IC Substrate (or Interposer) Read more
Introduction In today’s rapidly evolving era of electronic technology, the miniaturization of Printed Circuit Boards (PCBs) has become a core driving force behind innovation and transformation in electronic products. Behind the “slimming” miracle of consumer electronics—from nearly 2kg “brick phones” to folding smartphones weighing less than 200 grams—lies the revolutionary Read more
Introduction In modern high-performance electronic systems, Power Distribution Network (PDN) design has become a critical factor determining system stability and performance. As chip process sizes continue to shrink and supply voltages decrease further, the noise tolerance of power supply systems is tightening, and requirements for voltage fluctuations have become extremely Read more
Introduction As electronic devices evolve towards higher performance and miniaturization, thermal management issues are increasingly becoming a bottleneck restricting the advancement of electronic technology. Traditional FR4 substrates, with their poor thermal conductivity (approximately 0.3 W/m·K), struggle to meet the heat dissipation demands of high-power-density equipment. Metal Core Printed Circuit Boards Read more
Introduction Through-hole assembly, also known as Through-Hole Technology (THT), represents one of the foundational methodologies in electronic component mounting, where component leads are inserted through pre-drilled holes in printed circuit boards (PCBs) and soldered to pads on the opposite side to establish both mechanical and electrical connections. This technology emerged Read more
Introduction PCB wave soldering is an automated soldering process fundamental to electronics manufacturing, particularly for assembling through-hole components onto printed circuit boards. This technology involves passing a PCB over a controlled wave of molten solder, which creates reliable electrical and mechanical connections between component leads and board pads in a Read more
Introduction FCT (Functional Circuit Test) is a critical quality validation step in the Printed Circuit Board Assembly (PCBA) manufacturing process. It involves simulating the actual operating conditions of a circuit board to verify whether its functions and performance meet design specifications. As electronic devices evolve toward higher performance, greater integration, Read more
Introduction PCB environmental testing refers to a systematic evaluation process that subjects printed circuit boards to simulated conditions replicating their transportation, storage, and operational environments. This testing methodology is crucial for assessing the reliability and durability of PCBs under various stressors, including temperature extremes, humidity fluctuations, mechanical vibrations, and chemical Read more
Introduction High Voltage PCB (Printed Circuit Board) design represents a specialized discipline within electronics engineering focused on creating circuit boards capable of operating at significantly higher voltages than conventional PCBs. While standard PCBs typically handle voltages below 50V, high voltage PCBs are engineered to manage voltages ranging from hundreds to Read more
Introduction A bare printed circuit board (PCB), also referred to as a blank PCB or unpopulated PCB, represents the fundamental substrate that provides mechanical support and electrical interconnection for electronic components. This essential foundation of modern electronics consists of a non-conductive substrate material—typically fiberglass-reinforced epoxy laminate (FR-4)—laminated with thin layers Read more
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