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What Is The Function And Principle Of PCB Via Hole?

What Is The Function And Principle Of PCB Via Hole? A PCB via hole is an open hole, drilled through a PCB. The wall of the hole is coated with a plating solution, which allows electrical signals to flow through the hole. When drilling a via hole, it is important to follow fabricator rules to ensure the correct diameter and aspect ratio. The minimum distance between adjacent vias must also be observed. Through-hole vias PCB through-hole vias are commonly used for signal transitions on circuit boards. There are various types of vias, including blind vias, buried vias, and microvias. Each type of via requires a certain procedure during placement. These […]

FFC配線とFPC配線の違いを理解する

Understanding the Difference Between FFC and FPC Wiring If you’re thinking of replacing or upgrading your wiring, you should know the difference between FPC and FFC cables. The former is thicker and has two layers of wire sandwiching the insulation point. The latter is thinner and has a single conductor layer, saving space. Both types are available in a variety of sizes and shapes. In fact, FPCs are available in as small as 0.15mm. FPC The first thing that you need to know is that there are two types of flexible printed circuits. They differ from each other in several ways. First, a single-layer circuit has only one conductor layer […]

SMTフットプリントの最大の問題点とは?

What Are the Most Problems With SMT Footprint? SMT footprint is widely used for implementing microcontrollers. However, there are several problems related to SMT. Here are the common ones: Insufficient solder, thermal imbalances, and misplacement of components. These problems can also be caused by faulty part name, library name, and footprint. Misplacement of components If a component is dropped rather than placed on a surface mount footprint, the result can be a faulty PCB. In this case, a modification is necessary to the design to ensure that all parts are visible from above. In such a case, AOI may be used to detect the fault before the reflow process begins. […]

PCBにおけるソルダーマスクとペーストマスクの違いと役割

The Difference and Role of Solder Mask and Paste Mask on PCBs Printed circuit board (PCB) The thickness of the solder mask and paste mask on PCBs is an important factor in determining the electrical properties of a circuit board. It can also determine the safety and feasibility of PCB assembly. The recommended thickness ranges from 8 to 15um. The Cadence Allegro PCB Editor allows you to control the paste mask and solder mask layer configuration. It also allows you to define the width and materials of each layer. This helps you plan layer stackup for manufacturing. The tool also includes an E-Book with information on layer stackup strategies. The […]

プリント基板試作プロセス

The Printed Circuit Board Prototyping Process A printed circuit board (PCB) prototyping process involves a series of steps, starting with the creation of a PCB design. These steps include generating the required through holes and using carbide drill bits or NC drill machines to create the holes. Once the through holes have been created, a thin layer of copper is chemically deposited into the through holes. This copper layer is then thickened through electrolytic copper plating. Gerber file A Gerber file is a file with detailed descriptions of components. These files are often used to help with the debugging process and to create printed circuit boards. To make sure that […]

フレックスリジッドプリント基板の製造フローと長所・短所

Production Flow of Flex Rigid PCB and Its Advantages and Disadvantages The production flow of flex rigid PCB is very complex compared to traditional rigid PCBs, and it has many challenges. In particular, the bend lines in the flex circuits make the routing difficult, and the components placed on these bend lines are subjected to mechanical stress. To mitigate this, through hole plaiting is often used, or additional coverlay may be added to anchor the pads. Blind vias Flex rigid PCBs are often used in medical equipment, imaging equipment, handheld monitors, and military equipment. They have a low cost per unit, are flexible, and can withstand fluctuations in temperature. These […]

PCBソルダーマスクの種類 - PCB用ソルダーマスクの4つのタイプ

PCB Solder Mask Types – The 4 Types of Solder Masks For PCBs In order to choose the right solder mask for your project, you must be familiar with its specifications. These specifications specify the hardness, shelf life, and flammability of the product. In addition, they specify the resistance of the solder mask to oxidation, moisture, and biological growth. You may also want to choose a matte or satin finish solder mask, as these can minimize solder beading. LPI solder mask In the past, PCB manufacturers would offer two different LPI solder mask types – matte and gloss. Few customers would indicate which one they wanted, so the decision was […]

品質を維持しながらPCBアセンブリコストを削減する方法

How to Cut PCB Assembly Cost While Maintaining Quality If you’re looking to cut PCB assembly costs, there are several strategies you can employ. These include choosing a manufacturer that scales with your business, selecting a PCB assembler that can meet your needs, and calculating lead time. These steps will reduce your overall PCB assembly costs without compromising on quality. Design strategies to reduce pcb assembly cost To reduce PCB assembly cost, use design strategies that minimize errors and increase efficiency. Often, these strategies involve using fiducial markers to identify components, which can help reduce multiple rework costs. Additionally, these strategies reduce the overall number of components, thereby reducing assembly […]

Altium Designer - 回路図からPCB設計までの基本的なガイドライン

Altium Designer – A Basic Guideline From Schematic to PCB Design In this Altium Designer tutorial, you’ll learn how to create a schematic and compile it into a PCB design. You’ll also learn about importing components into a blank PCB layout and identifying routing requirements. Then, you’ll know what to do next to get your PCB ready for fabrication. Creating a schematic in Altium Designer Creating a schematic in Altium Designer can be done by importing an existing schematic file or by creating a new schematic. If you’ve created a circuit board before, it’s not necessary to start from scratch. Altium Designer includes guidelines for design reuse. To begin, open […]

片面、両面、多層フレックスPCBの違いは?

Whats the Difference Between Single Sided, Double Sided, and Multilayer Flex PCB? You may be wondering what the difference is between single sided, double sided, and multilayer flex PCB. Here are some things you should know about them. First, they are more expensive. But, compared to two-layer PCBs, they are more durable and easy to work with. Compared to 2-layer PCBs When it comes to PCBs, 2-layer flex PCBs and 4-layer flex PCBs have a lot of similarities and differences. Both types of PCBs are lightweight and cost-effective, but the two differ in the level of complexity in the design. While the two PCBs have different surface areas, they perform […]