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The surface energy tester is a characteristic tester with 5 major structures and 8 major functions

The surface energy tester is a characteristic tester with 5 major structures and 8 major functions

The surface energy tester is a characteristic tester with 5 major structures and 8 major functions: The surface energy testing instrument adopts the principle of optical imaging, and the image profile analysis method is used to measure the surface contact angle, wettability, surface interfacial tension, forward and backward angles, surface energy and other properties of the sample. The equipment adopts a fully automatic liquid inlet device, which is cost-effective and expandable. With strong performance and comprehensive functions, it can meet a variety of routine measurement requirements. It is now widely used in many universities and enterprises. The structural characteristics of the surface energy measuring instrument: The surface energy test instrument is mainly composed of five parts: analysis software, injection unit, light source, sample stage, and acquisition system. The device adopts the principle of optical imaging. The software is powerful, with a one-key automatic fitting method, which can meet the fitting of different droplet shapes. The injection unit adopts a high-precision liquid injection pump, which is controlled quantitatively and at a fixed speed by software, and the dripping is stable, and the accuracy can reach 0.01 microliters. The injection unit adopts dense LED cold light design, uniform light emission, high definition and long life. The sampling table adopts a three-dimensional manual fine-tuning platform, which is flexible in operation and accurate in positioning. The sampling table can be customized according to the actual sample size. It adopts black and white imported CCD camera to capture, stable shooting, clear images, real and reliable, the lens adopts German industrial-grade imported configuration, zoom 0.7-4.5 times can be adjusted, and the image is deformed. Application of surface energy test equipment: Surface energy testing instruments have been widely used in all walks of life. Contact angle measurement has become an important tool in mobile phone manufacturing, glass manufacturing, surface treatment, material research, chemistry and chemical engineering, semiconductors, coatings and inks, electronic circuits, textile fibers, medical biology, etc. Important measurement tool. 1. The wetting behavior of liquid on the solid surface such as spreading, penetration, absorption, etc., and the static contact angle is measured by the sessile drop method. 2. Measurement of the material's entry and exit angle, retreat angle, contact angle hysteresis angle, rolling angle, and dynamic contact angle on a solid surface. 3. Continuous real-time research and process recording of absorptivity, and analysis of the curve of contact angle over time. 4. Measure the contact angle of various special materials, such as powders, curved surfaces, and superhydrophobic/superhydrophilic samples. 5. Adhesion titration measures the contact angle of the material after it is immersed in the liquid. 6. The hanging drop method measures the surface tension, polarity and dispersion of various liquids. 7. Calculate the analysis of the solid surface free energy and its polar dispersion components. 8. Analyze the adhesion work of the liquid on the solid surface, and evaluate its uniformity, cleanliness, etc.

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The 6 major treatment effects of surface plasma treatment equipment can be applied to 100+ industries to improve product performance

The 6 major treatment effects of surface plasma treatment equipment can be applied to 100+ industries to improve product performance

The 6 major treatment effects of surface plasma treatment equipment can be applied to 100+ industries to improve product performance: There are often greases, oils and other organic matter and oxide layers on the metal surface, sputtering, paint, adhesive, bonding, welding, brazing, coating, plasma that needs to be treated, and surface cleaning is green and environmentally friendly. Surface plasma treatment equipment plasma treatment has the following effects. 1. Organic matter surface ashing 2. A chemical reaction occurred on the surface 3. Under the high-temperature vacuum state, some pollutants evaporate. 4. Pollution causes high-energy ions to break under vacuum. 5. Since the plasma can only penetrate a thickness of a few nanometers per second, the pollution layer cannot be too thick, and fingerprints are also applicable. 6. Oxidation removal after metal oxide reaction. The flux of printed circuit boards is usually chemically treated. Chemical reagents need to be removed by plasma after welding, otherwise it will cause corrosion problems. A better combination is easy to weaken the plating, bonding, and welding operations, and the plasma of the surface plasma treatment equipment can be selectively removed. In addition, the bonding quality of the oxide layer is not good. Metal manufacturing application of surface plasma treatment equipment: Plasmaization is an environmentally friendly treatment method, which replaces the traditional chloroform. Automotive manufacturing applications: Applicable to the pre-treatment of plastic and painting for automobile production. Application of surface plasma treatment equipment in textile industry: It is suitable for hydrophilic, hydrophobic and surface modification of fabrics, filter membranes and membranes. Medical applications: It is suitable for the pre-treatment of bonding of glass tubes, syringes, urinary catheters and various valves. Application of surface plasma treatment equipment in the electronics industry: Clean and etch circuit boards, and perform non-oxidation activation treatment on materials such as films and polypropylene. Pre-treat the surface coating of insulating materials (foam plastic) and electronic components.

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What are the characteristics and industry applications of the wide linear plasma cleaner

What are the characteristics and industry applications of the wide linear plasma cleaner

What are the characteristics and industry applications of the wide linear plasma cleaner: The wide linear plasma cleaner is one of the high-power plasma processor control systems, which includes touch screen + PLC automatic control + high-power plasma generator, the air intake system 2-5 working gas options: Ar2, N2, H2, CF4, O2. The characteristics of the wide-width linear plasma cleaner: high precision, fast response, controllability, good compatibility, complete functions, and professionalism. Widely used in: printed circuit board industry, semiconductor IC field, silica gel, plastics, polymers, automotive electronics, aviation industry and other fields. Printed circuit board industry: high-frequency circuit board surface activation, multi-layer circuit board surface cleaning, de-drilling pollution, soft and hard combined circuit board surface cleaning, de-drilling pollution, activation before soft board reinforcement. Semiconductor IC field: COB, COG, COF, ACF process, suitable for wire cleaning before and during welding. Silica gel, plastics, and polymers: the surface roughening, etching and activation of silica gel, plastics, and polymers; the wide linear plasma cleaner PTLplasma cleaning method can be used to change the surface characteristics of BGA organic substrates. Cleaned the liquid crystal display device: the ITO electrode, after the ITO electrode is cleaned, the bonding strength of the ACF is improved. Cleaning COF (ILB) bonding surface: cleaning all parts of the film substrate bonded with the chip (Chip). Cleaning the OLB (FOG) interface surface: cleaning the interface surface between the LCD/PDP panel and the film substrate. Clean the COG: clean the driver IC directly before mounting it on the glass substrate. Cleaning the film substrate: remove organic contaminants attached to the film substrate. Cleaning the metal substrate: remove the attached organic contaminants on the connection part to improve the shear strength of the sealing resin. The photosensitive film of the chip: The photosensitive film (protective film) on the chip is removed by the plasma method of a wide-format linear plasma cleaner. Cleaning the BGA substrate and bonding pad: Clean the bonding pad with a wide-width linear plasma cleaner to improve the lead adhesion and the shear peel strength of the sealing resin. Clean CPS: Remove organic contaminants on the contact surface of the chip and CSP solder balls. Clean the combined chip packaging: clean the contact parts of the composite electronic components.

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On-line plasma cleaning equipment NH3 plasma characteristics and surface modification PAN ultrafiltration membrane

On-line plasma cleaning equipment NH3 plasma characteristics and surface modification PAN ultrafiltration membrane

On-line plasma cleaning equipment NH3 plasma characteristics and surface modification PAN ultrafiltration membrane: Polyacrylonitrile (PAN) is widely used in the separation and concentration of substances due to its good bacteria resistance, weather resistance and thermal stability. However, because the membrane material itself is hydrophobic, the surface of the PAN ultrafiltration membrane is relatively poorly hydrophilic, and it is easy to adsorb proteins and other macromolecules, resulting in a decrease in membrane flux. Plasma modification of low-temperature online plasma cleaning equipment is an effective way to solve this problem. A variety of polar groups are introduced on the surface of the membrane to improve the hydrophilicity and anti-fouling ability of the membrane. Using plasma surface modification of polypropylene microporous membrane, the contact angle is reduced from 100° of the original membrane to 40°, and the hydrophilicity is significantly improved. Plasma surface modified thin film composite membrane (TFC), after modification, the hydrophilicity of the membrane surface is improved, and the anti-fouling ability is significantly increased. When low-temperature plasma acts on the surface of the material, a series of complex physical and chemical processes are generated. Therefore, understanding the characteristics and characteristic parameters of plasma discharge is of great significance to the application of plasma technology in material modification. Using online plasma cleaning equipment NH3 plasma surface modification of PAN ultrafiltration membrane, with the increase of discharge power, the contact angle decreases, with the increase of power, the free radical reaction initiated on the membrane surface is more fully generated, The increase in the amount of polar groups increases the hydrophilicity of the membrane surface. The treatment time is appropriately increased, and the free electrons in the plasma gain kinetic energy, which accelerates the collision with the macromolecular chains on the surface of the membrane, attracts more polar groups, and significantly improves the hydrophilicity. The flux test of the original membrane and plasma modified membrane samples on the PAN ultrafiltration membrane shows that the flux is significantly increased compared with the original membrane, the hydrophilicity of the ultrafiltration membrane surface is significantly improved, and protein molecules are not easy to adhere to the membrane surface. Anti-pollution performance and penetration performance are also further improved. Although plasma modification changes the surface structure of the membrane, the etching effect is not obvious. After modification, the pore size of the membrane is reduced, which has a good interception effect on protein molecules larger than the pore size of the membrane. After the plasma modification of the low-temperature online plasma cleaning equipment, the flux decay rate of the polyacrylonitrile ultrafiltration membrane is reduced from 68% of the original membrane to 43%, because the plasma can trigger the radical reaction on the surface of the ultrafiltration membrane. Hydrophilic groups such as carbonyl group (C=O) and carboxyl group (-COOH) are generated, which can combine with surrounding water molecules to form a hydrophilic interface and reduce the deposition of protein on the membrane surface. Therefore, the decrease in flux attenuation rate indicates Plasma modification improves the anti-fouling ability of ultrafiltration membranes.

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The test principle of the water drop angle tester for the effect evaluation of the atmospheric plasma cleaner

The test principle of the water drop angle tester for the effect evaluation of the atmospheric plasma cleaner

The test principle of the water drop angle tester for the effect evaluation of the atmospheric plasma cleaner: The water drop angle tester can effectively evaluate the effect of the surface treatment before and after the plasma cleaning of the atmospheric plasma cleaner. The water drop angle tester is a professional analytical instrument that uses distilled water as the detection liquid and uses the high sensitivity of water surface tension to evaluate the surface free energy of solid materials or the wetting angle of solid materials with water. In the semiconductor chip industry, especially in the wafer manufacturing process, the requirements for cleanliness are very high, and only the wafer meets the requirements can it be considered qualified. The water drop angle tester, as a test tool for evaluating the plasma cleaning effect of atmospheric plasma cleaners, is an effective tool for evaluating the quality of wafers. In recent years, China's wafer industry has developed rapidly. Therefore, there are higher requirements for the detection of wafer drop angles. According to the basic principle of the water drop angle test: the solid sample surface due to its own surface roughness, chemical diversity, heterogeneity and other factors, the contact angle value or water drop angle of the solid surface of the plasma cleaner shows left and right, front and back, and front and back. Inconsistent; therefore, the algorithm of the water drop angle measuring instrument must adopt the basic principle that conforms to the interface chemistry principle, and can realize one-key quick measurement. The technical requirements of the application for the test chip semiconductor: Since chip nanoscale processes, such as 12 or 7 nanometer processes, have various structures and directions, heterogeneity is particularly prominent in chip or wafer processes. At the same time, the water drop angle tester is also required to have functions such as shooting, screenshots, and optical cameras. The applicable physical properties of the water drop angle measuring instrument require that it can sensitively capture the small changes in the angle between the left and right, front and back of the droplet (try to be less than 1 ml, use an ultra-fine needle) in a small range due to poor cleaning effect. The size of the angle is obviously offset from the left and right angles, indicating that the surface of the sample has not been cleaned by an atmospheric plasma cleaning machine. On the whole, for wafer or wafer processing, in addition to testing the effect of the atmospheric plasma cleaner (Plasma), it is more important to evaluate the adhesion or surface free energy of the wafer under what conditions (especially Is the latter).

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The effect of the surface treatment method of the surface plasma treatment equipment on the film material

The effect of the surface treatment method of the surface plasma treatment equipment on the film material

The effect of the surface treatment method of the surface plasma treatment equipment on the film material: I believe everyone is no stranger to thin film materials. Optical films, composite films, plastic films, metal films, superconducting films, etc. are all common thin film materials, and the above thin film materials generally require pretreatment and surface plasma treatment. The surface treatment method of the equipment is a new type of pretreatment method. Through the treatment of the surface plasma treatment equipment, the surface of the film material can be cleaned, activated, and roughened, thereby improving the surface tension and adhesion of the film. I don’t know much about handling this link. Let’s take a typical example of plastic film in the packaging and printing industry to understand the necessity of pretreatment of film materials. The plastic film is light and transparent, resistant to oxygen and moisture, smooth and foldable. It has advantages in performance and price. Therefore, it can often achieve better results in modern packaging and printing. However, the plastic film is a non-polar polymer material and has poor wettability. , The ink is not easy to adhere, and the color fastness is poor; if the ink is directly bonded without pretreatment, it is easy to fall off, and the printing effect is poor, which affects its printing and packaging effect. In addition, pre-treatment can also improve the processing quality of subsequent plastic film coating, lamination, and bronzing. Therefore, before printing, surface plasma treatment equipment or other pretreatment methods must be used to process the film material. Now that we have a certain understanding of the pretreatment of film materials, the more common pretreatments of plastic films include chemical oxidation treatment, corona treatment and plasma cleaning treatment. Here are three methods of preprocessing. The pretreatment method of plastic film material-chemical oxidation treatment method. The chemical oxidation treatment method takes a long time to use, especially if it is treated with an oxidant before printing, so that polar groups such as hydroxyl and carbonyl groups are formed on the surface of the plastic film material, and it can also achieve a certain degree of roughening and improve the firmness of the ink. Spend. The chemical treatment process is simple and economical, but it is necessary to pay attention to the treatment time, temperature and other parameters, and the treatment efficiency is not high, which is harmful to the environment and the human body. It has begun to gradually replace the chemical treatment. The plastic film material is pretreated by corona treatment. The corona treatment method usually uses a high-frequency and high-voltage power supply to generate a corona discharge in the gap between the discharge knife holder and the blade, thereby generating a low-temperature plasma zone, and modifying the surface of the plastic film material. In this process, oxygen will also be ionized Ozone is produced, and the surface of the plastic film can be oxidized to change it from non-polar to polarity; electron bombardment can also roughen the surface of the film and increase the surface tension. Corona treatment is relatively simple and practical, and can be used in continuous production, but its discharge uniformity is poor, the treatment effect is limited, and the film is easily broken down. It has always been a difficulty that the corona treatment method is difficult to control and overcome. Surface plasma treatment equipment for pretreatment of plastic film materials: The surface treatment method of ionization cleaning equipment is to form active particles in the plasma during the ionization process, and react with the surface of the plastic film material, thereby destroying the long molecular chains on the surface of the film material , Forming high-energy groups, in addition, after the film material is physically bombarded by particles, it will form a slightly rough surface, so that the surface free energy of the plastic film material is improved, and the purpose of improving the printing performance is achieved. The low-temperature plasma surface treatment process of the surface plasma treatment equipment is simple, easy to operate, clean and non-polluting, meets environmental protection requirements, and is safe and efficient in processing, does not damage thin film materials, is suitable for mass production, and has low requirements for the production environment. Surface plasma treatment equipment (Plasmacleaner) is a device that can excite a power source to ionize gas into a plasma state. Plasma acts on the surface of the product to clean the contaminants on the surface of the product, improve its surface activity, and enhance adhesion. Plasma cleaning is a new, environmentally friendly, efficient and stable surface treatment method. Mobile phone industry: the surface of the main shaft, middle frame, and b

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