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Humidity:A Major Factor Affecting PCB Assembly
ByGrace September 2, 2025September 2, 2025
This article clearly identifies humidity-related issues in printed circuit board.It’s a precise article on mitigating the effects of moisture on any type of printed circuit board.From material integration,PCB layout protyping,PCB engineering,assembly,to packing and order delivery,attention should be paid to the effects of moisture in PCB manufacturing to avoid damage and other issues with PCB functionality.Furthermore,let’s…
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The Importance of PCB Ionic Contamination Testing
ByGrace September 2, 2025September 2, 2025
In the electronics manufacturing industry, ionic contamination testing of PCBs (printed circuit boards) is a critical step in ensuring product quality. Ionic contamination refers to the residual charged ions on the PCB surface. These contaminants primarily originate from manufacturing processes such as soldering additives, cleaning chemicals, humidity control, electroplating, wave soldering, and reflow soldering. These…
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How to quickly adjust the silkscreen position number of PCB component?
ByGrace September 2, 2025September 2, 2025
For later component assembly,especially manual assembly,a PCB assembly drawing is usually drawn for component placement and positioning .At this time,the silkscreen position number shows its necessity. Friends who are new to PCB drawing must have experienced this operation.Manually adjusting the silkscreen position number of components one by one is very tedious and inefficient… Is there…
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Interference Problem and Solutions for High-Frequency PCBs
ByGrace September 1, 2025September 1, 2025
In actual research, we have summarized four main sources of interference:power supply noise,transmission line interference,coupling,and electromagnetic interference(EMI).By analyzing various interference issues in high-frequency pcbs and combining them with practical application,we have proposed effrctive solutions. 1.Power Supply Nosie In high-frequency circuits,power supply noise has a particularly significant impact on high-frequency signals.Therefore,a low-noise power supply is paramount.Here,a…
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Basic Steps for PCB Copying/PCB Design
ByGrace August 30, 2025August 30, 2025
PCB Design Step 1: Preliminary Work for PCB Copying PCB Design Step 2: Create a Customized Footprint Library for Non-Standard Components It is recommended that you place all your drawn components into a dedicated design file for your own PCB library. PCB Design Step 3: Set up the PCB Design Environment and Draw the PCB…
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How important is PCB routing in PCB design?
ByGrace August 30, 2025August 30, 2025
In PCB design, routing is a crucial step in completing a product design. It’s a process that demands the most skill and effort, requiring the most design expertise. PCB routing can be performed in single-sided, double-sided, or multi-layer modes. There are two routing methods: Automatic routing and interactive routing. Before automatic routing, interactive routing can…
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What is PCB side plating?How is PCB side plating designed?
ByGrace August 27, 2025
Today,we’ll discuss:PCB side plating,PCB side plating types,and how is PCB side plating designed? 1.What is PCB side plating? PCB side plating,aslo known as edge plating,is copper plating applied from the top to the bottom surface of the board and along(at least)one peripheral edge.PCB side plating ensures secure connections and reduces the likelihood of device failure,especially…
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Why bake PCBs? How to bake PCBs
ByGrace August 26, 2025August 26, 2025
1.The primary purpose of baking PCBs is to remove moisture and humidity, removing water vapor trapped within the PCB or absorbed from the outside. This is because some PCB materials are prone to forming water molecules. In addition, after being manufactured and stored for a period of time, PCBs may also absorb moisture from the…
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Sharing Experiences in the Process of Copying PCBs/Designing Schematics to PCBs
ByGrace August 26, 2025August 26, 2025
Introduction: Generally, creating a PCB from a copy or schematic requires relatively low technical requirements, and making a quick PCB is straightforward. However, in practice, it’s important to first clarify your goals. Of course, the key is to understand the layout and routing requirements of the components used. By properly placing the components and routing…
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What does PCB tombstoning mean? How can you prevent it?
ByGrace August 25, 2025August 25, 2025
Today’s article will focus on: PCB tombstoning, PCB tombstoning analysis, prevention, and solutions. I.What is PCB tombstoning? Tombstoning typically affects surface-mount passive components such as resistors, capacitors, and inductors. During the soldering process, one end of the component lifts off the PCB pad. PCB tombstoning: The final angle of a component can range from a…
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Applications and Production Process of Rigid-Flex PCBs
ByGrace August 25, 2025August 25, 2025
1.Substrate: FCCL (Flexible Copper Clad Laminate) Polyamide: Kapton (12.5um/20um/25um/50um/75um): Features good flexibility, high temperature resistance (long-term operating temperature 260°C, short-term resistance 400°C), high moisture absorption, excellent electrical and mechanical properties, and good tear resistance. It also offers good weather and chemical resistance and flame retardancy. Polyester amine (PI) is the most widely used, 80% of…
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What Issues Should Be Considered in PCB Design?
ByGrace August 22, 2025August 22, 2025
With the booming PCB industry ,more and more engineers and technicians are joining the ranks of PCB design and manufacturing.However,due to the wide range of areas involved in PCB manufacturing,and the fact that a significant number of PCB design engineers(layout personnel)have no experience in or involvement in PCB manufacturing,and the fact that a significant number…
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How to design a Multilayer PCB?
ByGrace August 22, 2025August 22, 2025
When designing a multilayer PCB ,one crucial aspect is planing the multilayer PCB stackup to achieve optimal product performance.A poorly designed substrate and inappropriate material selection can degrade the electrical performance of signal transmission,increase emissions and crosstalk,and make the product more susceptible to external nosie.These issues can lead to intermittent operation,as timing glitches and interference…
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What are the advantages of aluminum-based PCB designs compared to traditonal PCB design?
ByGrace August 21, 2025August 21, 2025
When a design has very high thermal dissipation requirements ,using an aluminum-based pcb is a very effective solution.This design is able to better transfer heat energy away from the design component,thereby controlling the project’s temperature.It is often ten times more efficient at removing heat from circuit component than an equivalent fiberglass backing.This significantly higher level…
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What are the methods for PCB board dissection?
ByGrace August 15, 2025August 15, 2025
PCB board dissection is crucial aspect of PCB design.However,because it involves sanding(a hazardous task）and tracing (a simple,repetitive task),many designers are reluctant to undertake this task.Many even believe that PCB board dissection is not a technical task,something that junior designers can handle with minimal training.This perception is somewhat common,but as with many tasks,there are certain techniques…
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