What is the typical lifespan of a circuit board? First, under normal use and without damage, the circuit board itself has a fairly long lifespan. Manufacturers typically specify a lifespan of approximately five years, but this doesn’t mean the board is unusable after five years. In fact, with proper care and maintenance, it can last…
Reasons for using conformal coating on PCBs Conformal coating is also known as PCB protective oil, coating oil, moisture-proof paint, conformal coating, waterproof glue, insulating paint, anti-corrosion paint, salt spray paint, dust-proof paint, protective paint, coating paint, and conformal glue. PCBs treated with conformal coating are waterproof, moisture-proof, and dust-proof, and are resistant to thermal…
PCB plasma treatment is a surface treatment method for PCBs using plasma technology. Today, our editors will explain PCB plasma treatment in detail. PCB plasma treatment uses high-energy plasma to clean, activate, and modify the surface of PCBs. The PCB is placed in a vacuum chamber to ensure a clean and stable environment. The desired…
What is PCB surface tension? Some of you have asked us about this today, so let us explain it to you. PCB surface tension refers to the interaction between a liquid or solid material and the air on the surface of a PCB. It is a physical phenomenon that describes the tension in a thin…
Recent advances in miniaturization have been a major driver of the electronics industry’s continued growth. As miniaturization continues to drive industry growth, manufacturing electronic products and fabricating PCBs are becoming increasingly challenging. The most challenging aspect of PCB manufacturing is the integration of high-density through-holes (VTHs) and interconnects. VTHs are used to mount electronic components…
Signal isolation allows digital or analog signals to be transmitted without a galvanic connection across the barrier between the transmitter and receiver. This allows the ground or reference voltages outside the transmitter and receiver to differ by as much as several thousand volts and prevents loop currents between different ground potentials that could damage the…
Introduction Printed Circuit Board (PCB) design is a complex process that involves multiple stages, from schematic capture to layout and manufacturing. One of the most critical steps in ensuring a successful PCB design is Design Rule Checking (DRC). DRC is an automated verification process that ensures the PCB layout adheres to predefined design rules, preventing…
Abstract The current carrying capacity of copper foil in printed circuit boards (PCBs) is a critical factor in ensuring reliable performance, thermal management, and long-term durability of electronic devices. This paper explores the key factors influencing copper foil current carrying capacity, including trace width, thickness, temperature rise, and environmental conditions. Additionally, it discusses industry standards,…
Abstract This paper explores the critical relationship between printed circuit board (PCB) trace width, current carrying capacity, and temperature rise in electronic circuit design. As electronic devices continue to shrink in size while demanding higher performance, understanding these interrelationships becomes increasingly important for reliable PCB design. The article examines the fundamental principles, presents relevant formulas…
Expensive and complex discrete interconnect cables can reduce design reliability, increase design cost, and increase overall design size. Fortunately, there is an alternative to flexible and flex-rigid PCBs. Flexible PCBs offer a cost-effective and convenient solution to your design’s interconnect requirements, with the added advantage of increased PCB repeatability and reliability. Discrete interconnects have inherently…
Since the dawn of the dot-com bubble, the Internet of Things (IoT), nicknamed the “Fourth Industrial Revolution” or “Infrastructure of the Information Society,” has become a foremost movement. Its impact has become deeply woven into the fabric of technology and everyday life. Many consumers may not realize that IoT PCBs are at the forefront of…
HDI PCBs are designed to maximize surface component density, provide breakout solutions for ICs with large numbers of closely spaced pins or pads, and/or carry high-frequency signals. The goal is to deliver greater functionality in a smaller package. To achieve this, you need to select a contract manufacturer (CM) with the necessary equipment and expertise…
Introduction Printed Circuit Boards (PCBs) are the backbone of modern electronics, providing the necessary electrical connections between components. As electronic devices become more compact and complex, the demand for precise and efficient PCB manufacturing techniques has grown significantly. Among the various methods available, Computer Numerical Control (CNC) engraving machines have emerged as a powerful tool…
I recently encountered a PCB leakage issue with a low-power product. Originally, the device drew only µA current, but after a period of aging and use at room temperature, its power consumption increased, reaching the mA level in some prototypes. After carefully troubleshooting component issues, I finally discovered a 5V voltage point. While the device…
When designing a complex board, you must make certain design tradeoffs. These tradeoffs influence the design of the PCB’s power distribution network. When capacitors are mounted on a PCB, they create an additional loop inductance, which is dependent on the capacitor’s placement. The value of this loop inductance is design-dependent. This loop inductance is determined…
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