Industry News

What Are The Difficulties in The Production of High-Level PCB Circuit Boards?

High-level PCB is usually defined as 10-20 layers or more high-level multi-layer circuit boards. Compared with traditional FR4 PCB products, high-level PCB has the characteristics of multiple thicknesses, multiple layers, dense lines, multiple through holes, large cell sizes, and thin dielectric layers, and requires internal space, layer alignment, impedance control, and reliability. High; is mainly …

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What are the PCB Processing of Shenzhen Circuit Board Manufacturers?

The PCB circuit board is a complete device only after PCB processing and can be used in application electronic products. The PCBA process is a combination of the SMT process and the DIP process. Today, we will share with you the steps involved in PCBA Electronics Manufacturing by Shenzhen PCB manufacturers. 1. Single-sided DIP cartridge …

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What Should be Paid Attention to When Welding Double-Sided Circuit Boards?

In order to ensure the reliable conduction effect of the double-sided circuit, the connecting holes on the board should be welded with wires first, and the protruding part of the connecting wire tip should be cut to avoid hurting the operator’s hand. This is the board connection preparation. So, what issues should be paid attention …

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What are the Differences Between HASL and Lead-Free HASL on PCB Board?

With the continuous development of the electronics industry, the technical level of PCB boards is also constantly improving. Common processes mainly include tin spraying, immersion gold, gold plating, OSP, etc. In fact, spraying is divided into HASL and Lead-Free HASL on PCB Board, so what is the difference between them? 1. From the surface of …

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How to Choose PCB Materials and What Factors Should Be Considered?

For general electronic products, FR4 epoxy glass fiber substrate is used, for use in higher ambient temperatures or for flexible circuit boards, polyimide fiberglass substrates are used, and for high-frequency circuits, PTFE fiberglass substrates are required; How to Choose PCB Materials and What Factors Should Be Considered? Electronic products with high heat dissipation requirements should …

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The Method of interconnection of PCB board

Many people in the PCB class know that, do you know what interconnection methods it has? Electronic components and electromechanical components have electrical contacts, and the electrical connection between two discrete contacts is called interconnection. The electronic devices must be interconnected in accordance with the schematic circuit diagram in order to realize the predetermined function. …

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