Basic structure and manufacturing process of HDI board

One. summary: HDI board, which refers to high density interconnect, is a relatively new technology developed in PCB industry at the end of the 20th century. Due to the influence of drilling tool, the cost of traditional PCB drilling is very high when the drilling diameter reaches 0.15mm, and it is difficult to improve again. […]

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Overcoming the challenge of multi connector group alignment between PCBs

Miniaturization has made alignment of multiple connectors more difficult, and the pursuit of optimal design practices and early communication with connector providers can help ensure successful design Author: Kevin Meredith, product engineer, SAMTEC Printed circuit board (PCB) manufacturers are facing the pressure of increasing the density, reducing the occupied area, reducing the side size, managing […]

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Characteristics and differences between PCB and IC

The current circuit board mainly consists of the following components: Circuit and pattern: the circuit is used as a tool for conducting between the components. In the design, a large copper surface will be designed as the grounding and power layer. The route and the drawing are made at the same time. Dielectric layer: used […]

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Introduction of some principles of switch power supply PCB wiring

1、 Introduction Switching power supply is a kind of voltage conversion circuit, which is widely used in modern products. Because the switching triode always works in the “on” and “off” state, it is called switching power supply. Switching power supply is essentially an oscillation circuit. This way of converting electric energy is not only used […]

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Introduction of process characteristics of selective welding in PCB design

In the PCB electronic industry welding process, more and more manufacturers begin to pay attention to selective welding. Selective welding can complete all the solder joints at the same time, so that the production cost is minimized. At the same time, it overcomes the influence of reflow soldering on temperature sensitive components. Selective welding can […]

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What should be paid attention to in the process of PCB etching

A large number of quality problems related to the etched surface are concentrated in the etched part of the upper plate surface, and these problems come from the influence of colloidal structure produced by the etchant. It is very important to understand this, because colloidal agglomerates accumulate on the surface of copper. On the one […]

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Experience summary of PCB manufacturing process

When it comes to PCB, many friends will think that it can be seen everywhere around us, from all kinds of household appliances, computer accessories, to all kinds of digital products, as long as electronic products almost all use PCB, so what is PCB? PCB is printed circuit block, that is, printed circuit board, for […]

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