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Application of Laser Marking Machine in Capacitor Surface Marking and Power Adapter

by:Leadtech Coding     2022-02-25

Capacitor is an electronic device, which has the function of passing AC and blocking DC. At the same time, the capacitor is also a kind of energy storage element, which is an indispensable and important element in the electronic circuit. A capacitor is composed of two metal electrode plates close to each other with an insulating medium in between. When a voltage is applied to the two poles of the capacitor, the capacitor can store energy. Capacitors are widely used in high and low frequency circuits and power supply circuits, with functions such as coupling, filtering, bypassing, resonance, boosting, and timing. Yantai laser marking machine will explain to you.

With the increase in the demand for capacitors, there are more and more manufacturers of capacitors. In order to facilitate management and enhance the popularity of their own brands, laser marking machine manufacturers will produce capacitors in their own homes. On the surface logo, its own brand logo, production number, current and other data.

The capacitor is in direct contact with the current, so the text information on its surface must be kept clear to prevent accidents. The text information marked by traditional screen printing ink is not only not clear and beautiful, but also easy to fade and fall off, so it is not suitable for marking on capacitors.

The laser marking machine uses a laser beam to make permanent marks on the surface of various substances. The effect of marking is to expose the deep material through the evaporation of the surface material, so as to engrave exquisite patterns, trademarks and text, and the text information will never fall off and fade, so it is very suitable for marking on the capacitor.

In recent years, the popularity of mobile phones, computers and other markets has set off a large number of applications of peripheral accessories. Power adapters are also getting a piece of the craze.

A power adapter is a power supply conversion device for small portable electronic equipment and electronic appliances. It is generally composed of shells, transformers, inductors, capacitors, control ICs, PCB boards and other components. There is a nameplate on the power adapter, which is marked with indicators such as power, input and output voltage and current. These data are relatively important, so these marks must not have any damage.

The traditional way of marking is to use silk screen printing to print on the surface. The silk screen printing ink has a strong contrast, the dots are not delicate enough, it is difficult to follow the color, the printing effect is not ideal, and the marked information is easy to fade and fall off. , and the ink components used in silk screen printing are all chemical elements. Now all businesses specify the need to use new low-carbon and environmentally friendly processes.

With the demand of the market, the emergence of Yantai laser marking machine soon replaced the silk screen process. Laser marking is a clean, pollution-free and highly environmentally friendly processing technology , It has the characteristics of non-contact marking, high marking accuracy, high definition, good permanence and strong wear resistance.


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