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Types of Vias

Jump To: What Is a Via? | Main Types of Vias | How to Determine the Right Via Requirements for Your PCB Types of Vias   In electronics and computing devices, the circuitry is conducted by a tiny green board that transfers various signals from the control prompts and to the screen. In every smartphone, for example, a printed circuit board (PCB) can be found inside with various chips and components that conduct the signals for thousands of different features and commands. Each time you push one of the prompts on the touchscreen, you are activating one of the signals on the internal board. Most of these signals are conducted through PCB vias. What Is a Via? In a printed circuit board, vias are holes that pass through the layers of the board for the purpose of conductivity. Each hole functions as a conductive path through which electrical signals are

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How to Choose A PCB Manufacturer

Jump To: How to Choose A PCB Manufacturer | Questions to Keep In Mind When Choosing a PCB Manufacturer | What to Consider Before Choosing a PCB Manufacturer | Types of Boards and Substrates Available | The Industries They Serve | Millennium Circuits Limited: Redefining Customer Service  How to Choose A PCB Manufacturer Your printed circuit boards (PCBs) are crucial to the proper operation of your product, so it’s essential that you find a PCB manufacturer that can reliably, efficiently and cost-effectively produce the boards you need. There are a lot of PCB manufacturers to choose from, however, which can make choosing the right one challenging. To help with this, we’ve put together this guide to choosing the right PCB manufacturer. Let’s take a look at some of the key things you should consider when making this crucial decision. Questions to Keep In Mind When Choosing a PCB Manufacturer When choosing a manufacturer, you should have some questions prepared. You can

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Copper Filling of Blind Microvias

Jump To: Copper Filling of Blind Microvias | What Are Microvias? | What Are Blind and Buried Vias? | Advantages of Copper-Filled Blind Microvias | What Are Copper-Filled Vias? | Challenges Associated | Thermal and Electrical Conductivity | The Copper Filling Process | Copper-Filled Copper Filling of Blind Microvias Vias, the holes through which stacked pads are electrically connected, are essential parts of printed circuit boards (PCBs). As electronic devices, namely smartphones and other similar products, become more popular and shrink in size, the ability to place smaller vias on the board becomes increasingly useful. You also need to be able to reliably transfer signals through the layers of the PCB — which can be accomplished by adding a copper layer to the board substrate — but filling the vias with copper provides extra capacity. Copper-filled blind microvias enable high-density interconnect (HDI) boards and also provide reliable signal transfer. While there are challenges associated with this type of via, they also come with many advantages. Keep reading

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ENIG Black Pad

Quick Links: What Is ENIG Black Pad? | What Causes Black Pad? | How to Prevent Black Pad | How to Fix Black Pad

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What You Need to Know About PCB Assembly

Jump To: PCBA Terminology | Through-Hole Assembly |  Surface Mount Technology | Mixed Technology | PCB Manufacturing at Millennium Circuits Limited What You Need to Know About PCB Assembly The printed circuit board (PCB) assembly process consists of various steps that must be performed in the proper sequence for the finished product to function as designed. To ensure that this happens, PCB manufacturers use screen templates and controlled heating and cooling mechanisms to regulate how components are applied and fastened into place. When you assemble a printed circuit board, you must choose the right technology for the type of components at hand. All of the parts and pieces must be correctly aligned in their designated spot, as specified in the PCB design. Any deviation, ever so slight, can have huge ramifications on the functions of the finished board. PCBA Terminology To understand the PCB assembly process, you need to know the meaning of several terms: Substrate: The foundational material

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Guide to IPC Standards for PCBs

Jump To: Why Do IPC Standards Matter? | Improved Product Quality and Reliability | Improved Communication | Reduced Costs | Improved Reputation and New Opportunities | Terminology You Should Know | A History of IPC Standards | Examples of IPC Standards | Our Commitment to Quality Guide to IPC Standards for PCBs As manufacturers of printed circuit boards, or PCBs, know, ensuring quality throughout the manufacturing process is critical and requires careful attention at all phases. Adhering to standards from the trade association IPC can help. What Is IPC? IPC is the trade association for the electronic interconnection industry. It provides standards for the assembly and protection of electronic equipment, as well as training, market research and public policy advocacy. IPC is a member-driven organization and has more than 4,800 member companies around the world. Its members include companies in all aspects of the global electronics industry, including designers, suppliers, board manufacturers, assembly companies and original equipment manufacturers. The organization got its start in 1957 as

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Coin Insertion Technology as a PCB Thermal Solution

Coin Insertion Technology as a PCB Thermal Solution If you need PCBs for high-power components, a built-in cooling feature can be very important for keeping your PCB from overheating. Coin insertion technology for PCBs can be an extremely effective solution for thermal management. When it comes to embedded coin thermal management solutions, some of the most popular options are Embedded T-Coin, Embedded I-Coin and Embedded C-Coin. What Are PCB Embedded Copper Coin Thermal Solutions? The standard way to dissipate heat in a printed circuit board is through thermal vias. But most PCB material is not particularly good for heat transfer. Copper, on the other hand, is an excellent conductor of heat, which is why adding copper to your PCB is highly effective when you need to dissipate heat from an active PCB. With embedded coin technology, you can insert a piece of copper directly under the component to absorb and

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PCB Jump Scoring

PCB Jump Scoring – V Scoring Explained Many in the electronics industry agree that V-scoring and PCB Jump Scoring are both extremely useful features when it comes to printed circuit boards. But what is V-scoring, and why might you want to use it for your PCBs? What Is V-Scoring? V-scoring is when you cut double-sided marks into the laminate of the printed circuit board to make it easier to remove individual parts from the circuit board array. To V-score your boards requires a scoring tool consisting of a top and a bottom cutting blade that you run across the panel in a straight line. In some scoring machines, you pull the panel through the blades to create the scoring. Why Use V-Scoring for Printed Circuit Boards? V-scoring is used consistently in printed circuit board assembly because it is a great cost saver and a highly efficient way to offer easy

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History of PCB Innovations and Their Impact

Jump To: What Are Printed Circuit Boards? | Where Are Printed Circuit Boards Used | The History of PCBs | 1850-1900 | 1900-1950 | 1950-2000 | 2000 and Beyond | Quality Printed Circuit Boards Printed circuit boards are the internal components that transmit electrical signals through electronic devices. Every time you turn on a computer or press a button on a smartphone, radio alarm or stereo component, you are interacting with a printed circuit board, which are inside the enclosures of all such devices. If electricity is the lifeblood of electronics, printed circuit boards are the vital internal organs. In today’s heavily device-dependent world, most people are unaware of the complex circuitry contained in each smartphone or portable MP3 player. Without printed circuit boards, modern-day technology would have never become possible. What Are Printed Circuit Boards? A printed circuit board (PCB) is a substrate device that features etched-on electrical components. PCBs come in single, double-layer and multi-layer varieties with corresponding copper layers. The highest-density

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Low-Temperature PCB Material

Low-Temperature PCB Material Printed circuit boards, even standard FR-4 PCBs, are incredibly resilient pieces of electronics. There are certain conditions for which these boards will not be appropriate. For example, PCBs for aerospace may be subjected to extreme temperatures, both very high and very low temperatures. For situations requiring PCBs that can handle extremely low-temperatures, also called cryogenic PCBs, special low-temperature PCB material may be necessary. What Is the Minimum Temperature for FR-4 PCBs? The typical FR-4 PCB should be able to withstand temperatures close to -50°C. At this point, you may start to find brittle cracks in the material. While this is quite cold, you will generally prefer your FR-4 PCBs not to get anywhere near this standard to minimize stress and lengthen the life of your PCB. Furthermore, in industries like the aerospace industry, where PCBs may end up in outer space, the board may be exposed to

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PCB Glossary

  • Platen

    A flat plate of metal within the lamination press in between which stacks are placed during pressing.