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PCB equipment

PCB machine is a device for producing circuit boards, which belongs to the equipment for producing circuit boards, including vacuum packaging machines, gluing machines and developing machines. The pcb equipment includes deburring machine, double-sided alkaline etching machine, metal chemical cleaning machine, etching production line… The pcb equipment includes deburring machine, double-sided alkaline etching machine, metal …

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The principle of dry etching

Plasma in dry etching The dry etching process uses the plasma after the dissociation of anion and anion particles in a gas to perform etching. The so-called plasma, 99% of the matter in the universe, is in the isoton state. It contains neutral particles, ions, and electrons, which mix together to appear electrically neutral. In …

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Introduction to Dry Etching

With regard to etching, it refers to the process of selectively removing unwanted materials from the surface of a silicon wafer by chemical or physical methods. The basic purpose of etching is to correctly replicate the mask pattern on the glued (or masked) silicon wafer. About etching Etching refers to the process of selectively removing …

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China’s 5nm etching machine is available, and it is finally the first step!

China successfully manufactured 5nm etching machine As far as the world’s chip field is concerned, of course, the United States is definitely in a leading position, but after entering the 5G era, China’s semiconductor chip strength should not be underestimated, and even ranked first in the world in the number of patents for related products. …

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What is an etching machine used for?

The etching machine is mainly used in aviation, machinery and signage industries. It can etch patterns, patterns and geometric shapes on the surface of various metals and metal products, and can accurately hollow out. It can also etch and cut stainless steel, especially in semiconductors. In the process, etching is an indispensable technology. Etching refers …

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PCB plating

2000 China’s PCB production value of $ 3.635 billion , accounting for 8.7 % of global PCB output value , ranking fourth in the world . In China ‘s PCB output value , accounting for 83.5 percent of Guangdong . Therefore , the Guangdong region PCB plating is a great industry . According to incomplete …

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What is Metal Finishing

Metal finishing is a type of surface finishing that can be defined as the deposition of a metallic coating onto a product either to enhance performance, function or aesthetic qualities while providing overall added value. While it’s not obvious on a daily basis, many objects have been subjected to metal finishing for use in our …

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Alloys and metals used in plating

A wide variety of metals are used in plating components using the electroplating, electroless plating or selective plating processes. Often, the type of metal to be used depends on the type of application. Be it giving a finished metallic look to improve aesthetics, or be it changing the chemical, physical and mechanical properties of a component for …