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Blog - JLCPCB

Blind vs Buried Vias: A Comprehensive Guide for PCB Design

A printed circuit board (PCB) is made up of layers of copper foil circuits stacked on top of each other, and the connections between different circuit layers rely on vias. If the holes drilled by a drilling machine or laser are left as is, they will not conduct electricity, because the surface of the original drilled hole is only resin, which is not conductive. Therefore, a layer of conductive material (usually copper) must be plated on the surface of the drilled hole. In this way, current propagates ......

Sept 29, 2024

How to Prevent Solder Defects During Reflow Soldering
Reflow soldering is a critical step in surface mount technology (SMT) assembly, where solder paste is melted to form strong and reliable joints between components and the PCB. However, defects during this process can lead to assembly failures, rework, and reduced reliability. Understanding the causes of solder defects and implementing preventive measures can significantly improve yield and quality. Know how PCB assembly is done in JLCPCB factory. Common Solder Defects in Reflow Soldering: Solder Bridg......
Feb 20, 2025
Critical Role of a PCB Designer in Product Design
A Printed Circuit Board (PCB) designer is a major actor in the electronics sector, since they design the circuit boards with a wide range of uses, from heavy machinery to cellphones. PCB designers make blueprints for efficient and usable circuit boards that guarantee seamless operation of electrical components. This article will cover a PCB designer requires the most crucial abilities, what they do, and how best to design PCBs to make them operate quicker and better. 1. What is a PCB Designer? A PCB d......
Feb 11, 2025
Key Notes on PCB Via Design
High-quality PCB design not only requires innovative concepts but also relies on a deep understanding of PCB manufacturing processes. Via design, as one of the critical steps in PCB design, is crucial for both PCB performance and manufacturing efficiency. Can vias be designed in any size? To answer this question, let’s first understand how holes on a PCB are created. 1. Cutting the Material: PCB manufacturers use automatic cutting machines to slice large copper-clad laminates into substrates of specif......
Feb 5, 2025
KiCad to JLCPCB Layout Tutorial Guide
It is very important to plan and make printed circuit boards (PCBs) efficiently if you want to make electronics that work well. KiCad is a powerful, open-source PCB design tool that both pros and amateurs use a lot. After making your PCB design in KiCad, the next step is to make it. This is where JLCPCB starts to help. The PCB manufacturing company JLCPCB is well-known for its moderately cost-effective, excellent products. This article will guide you through using KiCad to design a PCB layout and get ......
Jan 16, 2025
Understanding KICad: A Beginner Guide to PCB Design
KICad is a strong, free electronic design automation (EDA) tool that helps people make good printed circuit boards (PCBs). KICad has all the tools you need to easily make complex circuit designs, no matter if you are a beginner or a skilled engineer. Beginners will learn how to use KICad by following this tutorial, which goes over everything from installing the software to making your first PCB. What is KICad? KICad is a free and open-source PCB design software suite that lets people make layouts and ......
Jan 7, 2025
Step-by-Step Guide to Create Custom PCB Footprints
If you need a PCB footprint, but it does not exist in EasyEDA's component library, then you can create it yourself. And creating a device also requires a footprint library to complete. The usage method of the footprint library tool is the same as that of the PCB tool under PCB, but there are some unnecessary functions in the toolbar. The footprint library is the various parameters of electronic components, chips, etc. (such as the size of components, length and width, in-line, patch, pad size, length ......
Jan 20, 2025
What is a Pad in PCB Design and Development
Pads serve as the landing spots for the legs or leads of electronic components, allowing these components to be soldered onto the PCB securely. They are small, copper exposed conductive areas that enable both electrical and mechanical connections between components and the board. Traces can be routed from pads to all over the PCB, they also help to hold the component pins in place with the application of soldering. Pads are critical because they: Ensure strong electrical connections between components......
Jan 20, 2025
Thermal Vias in PCB Design for Heat Management
Thermal vias are specialized vias designed to transfer heat from one layer of a PCB to another. These vias are placed near heat-generating components to create a thermal pathway, helping to dissipate heat and reduce the risk of overheating. They are often used with heat sinks, thermal pads, or copper planes to enhance their effectiveness. They are simply plated through holes (PTHs) that are located under a surface-mounted heat source component in a printed circuit board (PCB) that allow heat transfer.......
Jan 20, 2025
Optimizing KICad Designs for JLCPCB Fabrication
KICad is making sure that your printed circuit boards (PCBs) can work with fabrication services, it is an important part of creating them. KICad is an open-source PCB design tool that has many features that can help plans work better with JLCPCB fabrication. This article will discuss into detail about methods to improve KICad designs. It will cover important topics such as design rules, choosing the right components, and getting the files ready so that the fabrication process with JLCPCB works efficie......
Jan 10, 2025
How to design JLCPCB layout using KiCad
Creating a Printed device Board (PCB) layout is an important part of making sure that an electronic device works and is reliable. Many people know that JLCPCB is a good company that makes high-quality PCBs. KiCad is an open-source PCB design tool that both pros and amateurs use a lot. You can make accurate and useful PCB layouts by mixing JLCPCB's services with KiCad's powerful tools. The steps in this article will show you how to use KiCad to design a JLCPCB layout. We will discuss about the most imp......
Jan 15, 2025
Common Design Issues and Recommendations for PCB Optimized Design
To help customers avoid common issues that may arise during the PCB production process due to design problems, we' ve summarized the most frequent cases below. These issues have been detailed on our website to assist customers in identifying and addressing them more effectively. The following points include important design considerations and suggested modifications: 1. Missing Slots, Cutouts, Millings and V-Cut Issue: Missing Slots, Cutouts, Millings and V-Cut due to improper design. Recommendation: ......
Dec 27, 2024
Understanding Multilayer PCB Design in Modern Electronics
Introduction As electronics changes quickly, people want devices that are smaller and more powerful. This has led to the development of more advanced printed circuit board (PCB) designs. Multilayer PCBs are very important for meeting these needs because they offer higher density, when better usefulness in a smaller package. The complicated PCBs are used in a lot of high-performance devices, like smartphones, telecommunications gear, medical devices, and industrial machines. This article covers with a ......
Dec 25, 2024
Guide to PCB Via Design: Best Practices, Tips, and Key Considerations
High-quality PCB design not only requires innovative concepts but also relies on a deep understanding of PCB manufacturing processes. Via design, as one of the critical steps in PCB design, is crucial for both PCB performance and manufacturing efficiency. Can vias be designed in any size? To answer this question, let’s first understand how holes on a PCB are created. 1. Cutting the Material: PCB manufacturers use automatic cutting machines to slice large copper-clad laminates into substrates of specif......
Dec 24, 2024
PCB Routers: Essential Tools for Modern Circuit Design
Introduction In printed circuit board (PCB) design and manufacturing, a PCB router is an important instrument. It is absolutely vital in building the complex channels that let electrical components interact successfully. PCB routers have become crucial for guaranteeing accuracy and efficiency in circuit board manufacture as the market for smaller, more complicated circuits rises. The importance of PCB routers, their varieties, uses, and recommended practices for maximum performance are explored in thi......
Dec 19, 2024
Solving Routing and Stack-Up Problems in High-Frequency PCB Design
Designing high-frequency PCBs presents unique challenges, particularly in routing and stack-up configuration. Proper planning and execution are essential to ensure signal integrity and optimal performance. Below, we explore common problems and strategies to address them. Signal integrity primarily relates to impedance matching. Factors affecting impedance matching include signal source architecture, output impedance, trace characteristic impedance, load characteristics, and topology. Solutions involve......
Dec 17, 2024
How to Design Effective PCB Layouts for Switching Regulators
Switching regulators are the unsung workhorses of modern electronics. They efficiently convert power, enabling our devices to function seamlessly while minimizing energy loss. Yet, they have one notorious flaw: noise, such as electromagnetic interference (EMI). If you’ve ever heard a faint buzz or watched your oscilloscope struggle against spikes, you know what I'm talking about. This blog delves into designing effective PCB layouts for switching regulators to keep the noise gremlins at bay and your c......
Dec 16, 2024
Unraveling PCB Traces Magic Enhancing Electronics through Smart Design
Introduction Printed Circuit Boards (PCBs) are fundamental components in electronic devices, enabling the interconnection and functionality of various electronic components. At the heart of PCBs are intricate conductive pathways known as PCB traces, which play a critical role in transmitting electrical signals between components. Understanding the principles, design considerations, and optimization techniques of PCB traces is essential for ensuring reliable performance, signal integrity, and manufactu......
Dec 2, 2024
Importance of SMD Capacitors in PCB Design
Introduction: Surface Mount Device (SMD) capacitors are essential to the layout and operation of printed circuit boards and are particularly vital in designs with limited space. These are little, highly potent elements that are essentially no bigger than a rice grain. These surface mounted device plays an integral role for the smooth operation of various electronic devices starting from smartphones to industrial machinery level. This is an article which explores the significance or importance of surfa......
Nov 29, 2024
Silkscreen in PCB Design
Introduction: Silkscreen is crucially important for Printed Circuit Board (PCB) design, it is not only a decorative feature but also a necessary component for assembly and functionality of PCBs. Usually white, the silkscreen layer prints critical information on the surface of the board like test points, polarity indications, and component labels. This article covers the value of silkscreen in PCB design, the varieties, uses, and best practices for its use, therefore enabling you to maximize your PCB d......
Nov 29, 2024
A Comprehensive Guide to Multiboard PCB Design
Many complex electronics systems are built as multi-board arrays of PCBs. There are many advantages to this type of design, the biggest one is the modular approach it offers. The PCBs can be plugged as daughter boards into the main board which make it more compatible for prototyping such as Arduino and Raspberry Pi. If you want to develop your own multi-circuit boards system, there are some basic steps you can take to ensure your design will have the connectivity you need. Gathering your information a......
Nov 29, 2024
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