pcb design, pcb layout, pcb assembly, smt, pcba

Routing strategy of PCB with high-level stacked structure

2026-03-10

The wiring strategies of high-level PCB are rich and varied, depending on the functions of PCB. This kind of circuit board may involve many different types of signals, from low-speed digital interfaces to multiple high-speed digital interfaces with different signal integrity requirements. This is undoubtedly a challenging task from the perspective of wiring planning and assigning signal layers to each interface.

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Ten Reliability Tests of PCB

2026-03-10

Reliability test flow of PCB board In order to ensure the reliability of PCB, it must go through a series of rigorous tests. The following are some common test methods and standards:

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Foolproof design of Mark point

2026-03-09

What is a Mark point? Mark point is a kind of marking point used for machine vision positioning in the process of PCB processing and mounting. It helps the mounter, welding machine and other equipment to accurately identify the position and direction of the circuit board and ensure the assembly accuracy.

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What is the Gerber file in PCB?

2026-03-09

This paper mainly tells what is the Gerber file in PCB.

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Impedance calculation from introduction to mastery

2026-03-09

In the field of PCB design, "impedance" is the key to determine whether the signal can be transmitted stably. Many engineers have ignored impedance matching and encountered problems such as signal reflection and crosstalk, which led to repeated jamming in product debugging. In fact, as long as you master the core logic of impedance calculation, you can easily deal with it from parameter preparation to software operation.

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Detailed explanation of red glue technology in SMT

2026-03-06

In SMT, red glue process and solder paste process are two commonly used welding methods. Although their purpose is to fix electronic components on PCB, there are obvious differences between the two processes in materials, equipment, operation flow and product application. Today, let's introduce in detail the "red glue" process that we often hear but are not commonly used.

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Practical design skills of polarity mark in PCB screen printing

2026-03-06

In the field of PCB (printed circuit board) design, screen printing, as a key element on the surface of the circuit board, plays an important role. It provides engineers, production personnel and subsequent maintenance personnel with important information such as component number, location and installation direction, and is the core element to ensure the readability and convenience of the circuit board.

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Technical specification and best practice of aperture design of PCB through-hole components

2026-03-06

The data sheets of most components contain recommended PCB packaging information and specify the aperture suitable for this component. This is the most practical method to select the aperture of PCB. However, some data sheets only provide the physical dimensions and pin diameter tolerances of components. In this case, how should we choose the aperture when we only create component packages based on these physical dimensions?

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News

Routing strategy of PCB with high-level stacked structure

Ten Reliability Tests of PCB

Foolproof design of Mark point

What is the Gerber file in PCB?

Impedance calculation from introduction to mastery

Detailed explanation of red glue technology in SMT

Practical design skills of polarity mark in PCB screen printing

Technical specification and best practice of aperture design of PCB through-hole components