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Plasma technology temperature and quasi-electrical neutrality

Plasma technology temperature and quasi-electrical neutrality

Plasma temperature: In general, substances can only be described in terms of a certain temperature T at thermodynamic equilibrium. Temperature is a measure of the average translational kinetic energy of microscopic particles within a substance. The relationship between the average translational kinetic energy of particles and the thermal equilibrium temperature can be described below

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Plasma processor applications in the medical industry

Plasma processor applications in the medical industry

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Plasma surface treatment debye shielding and Debye length introduction

Plasma surface treatment debye shielding and Debye length introduction

If the plasma thermal motion disturbance of internal particles in plasma surface treatment, plasma body somewhere around power for q negative charge accumulation, due to the electrostatic field of the group charge effect, it will attract positive ions around the electronics, the results of positively charged "positive" clouds "negative". Seen from a distance, clouds of "positive charge" weaken the effect of "negative charge," the coulomb force of "negative charge" on distant charged particles, a phenomenon known in plasma surface treatment physics as "debay shielding." The length from the center of the "negative charge" to the edge of the "positive charge" cloud is called Debai length

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Plasma cleaning machine price manufacturer price influencing factors

Plasma cleaning machine price manufacturer price influencing factors

The key of plasma cleaning machine is the application of low-temperature plasma, which mainly relies on high temperature, high frequency, high energy and other external conditions and is a kind of neutral, high energy, complete or partially ionized gas substances. The energy of low-temperature plasma is about dozens of electron volts, which contains ions, electrons, free radicals and other active particles, they can easily react with the pollutant molecules on the solid surface, so that they can be separated, so as to play a cleaning role. However, the energy of low-temperature plasma is much lower than that of high-energy ray, so this technique only involves the surface of the material and has no influence on the matrix properties of the material.   Plasma cleaning for dry cleaning, using electrocatalytic reaction, can provide a low temperature environment, avoid the chemical cleaning process of harmful substances and waste water, safe and reliable, environmental protection. To put it simply, low-temperature plasma cleaning technology, which combines plasma physics, plasma chemistry and gas-solid interface reaction, can effectively remove the organic pollutants remaining on the surface of materials and ensure that the surface and bulk properties are not affected, is a commonly used dry cleaning method at present. In addition, the plasma cleaning technology is not divided into the treatment of object substrate type, semiconductor, metal and most of the polymer has a good treatment effect, and can achieve the overall, local and complex structure cleaning. The technology is easy to realize automatic and digital flow, can assemble high-precision control equipment, accurate time control and so on. It is because of the obvious advantages of simple operation and accurate control that plasma cleaning technology is widely used in many fields such as electronics, material surface modification and activation.   With the wide application of plasma cleaning technology, the procurement of plasma cleaning machine is also increasing, today as a plasma cleaning machine manufacturers and talk about the impact of several key factors of plasma cleaning machine price, for everyone to choose and buy reference.   Common plasma cleaning machine on the market mainly has two categories, vacuum plasma cleaning machine and atmospheric pressure plasma cleaning machine, the price difference between the two is large. Compare with it, the price of atmospheric pressure plasma cleaner is generally cheaper, the price difference between the manufacturers on the market is not big. Atmospheric plasma cleaning machine because of its limitations (process can not have too much change), relative to the vacuum type, the price is much cheaper.   The following is the atmospheric pressure plasma cleaning machine price manufacturers of the main factors:   1. Nozzle Type: Atmospheric price is the main difference is the type of nozzle, there are two main types on the market, one is the atmospheric direct jet, the other is the atmospheric jet jet. Generally speaking, the price of rotary jet injection is higher than that of direct injection. Although atmospheric plasma cleaning machine has its limitations, but also has its advantages, can be made into a variety of non-standard automatic equipment, integrated into the customer's production line, to achieve online production.   2. Is it with non-standard design or mobile platform? As atmospheric plasma cleaning machine can be made of non-standard form, so the second major factor affecting the price of atmospheric plasma cleaning machine will come, is with a mobile platform, or the need for automatic design. There are other factors, too, and the impact of price is huge. So this is also an important factor when buying.

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Plasma plastic cleaning machine Langmuir oscillation and oscillation frequency

Plasma plastic cleaning machine Langmuir oscillation and oscillation frequency

A strong electric field will be generated when the charge is separated in the plasma due to the thermal motion of particles, but the macro neutral plasma of plasmas cleaning machine has a strong recovery trend. Because of the small mass of electrons in plasma, the motion of electrons is the fundamental cause of the collective motion of plasma. The following is an example of one-dimensional motion.

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Vacuum plasma cleaning machine price manufacturer price influencing factors

Vacuum plasma cleaning machine price manufacturer price influencing factors

In front of the atmospheric pressure plasma cleaning machine affects the price of several main factors, then introduced the price of vacuum plasma cleaning machine manufacturers factors.   First talk about the advantages of vacuum plasma cleaning machine, vacuum plasma cleaning machine through gas reaction, so that its process diversification, users can be away from harmful solvents to the human body damage; Easy to use digital control technology, high degree of automation; The whole process is extremely efficient; With high precision control device, high time control precision; Vacuum plasma cleaning will not produce damage layer on the surface, and the surface quality is guaranteed. Because it is carried out in a vacuum, it does not pollute the environment, which ensures that the cleaning surface is free from secondary pollution.   Because the vacuum plasma cleaning machine has many advantages, the price is quite expensive compared with the atmospheric pressure. Its advantages are many, the price is also very high, the price of a product is also very high, mainly depends on configuration. Let's take a look at the main components of the vacuum plasma cleaner to get a general idea of the main factors influencing its price. It is mainly composed of vacuum chamber, plasma generator (power supply), vacuum pump and other three main parts.   Main factors influencing the price of vacuum plasma cleaning machine manufacturer:   1. Cavity size and material: The cavity size is the main factor affecting the product price. The small experimental equipment is small, the cavity size is small, and the price is relatively low. This kind of machine is more suitable for the experimental research work in universities. In other words, the larger the cavity, the more difficult the technique and the higher the price. Material, to small equipment for example, there are mainly stainless steel cavity and quartz cavity. In fact, the price difference between the two is not big, which can only be considered as an influential factor, not a big influential factor.   2. Power supply (plasma generator) : Domestic power supply, and import power supply price difference, which is also the main factor affecting the price.   3. Vacuum pump: The price of domestic and imported vacuum pumps also varies greatly, as well as the structure and precision, durability and other functions. Therefore, if you want to buy a cheaper vacuum plasma cleaning machine, you can consider the choice of domestic accessories, which will greatly reduce the price of the whole machine. Choose what kind of equipment to see their specific needs.

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