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Ionization degluing of circuit board of plasma surface treatment machine

Ionization degluing of circuit board of plasma surface treatment machine

Plasma surface processor glue removal process, the glue removal gas is oxygen. In this method, the circuit board is placed in the vacuum reaction system, through a small amount of oxygen, coupled with high frequency and high pressure, the high frequency signal generator generates high frequency signal, in the quartz tube to form a strong electromagnetic field, the oxygen ionization, the formation of oxygen ions, activated oxygen atoms, oxygen molecules and electrons and other mixed-quality glow column. Reactive oxygen species (active atomic oxygen) can quickly oxidize the residual gel into volatile gas, and volatilize away. After the residue is removed from the board, it will be cleaned. The advantages of plasma surface processor are simple operation, high efficiency, clean and smooth surface, no scratches, low cost and environmental protection. The desizing machine processing of plasma surface processor is an important part of micromachining. After micromachining, such as electron beam exposure and ultraviolet exposure, photoresists need to be removed or treated with substrate film. The cleaning degree of photoresist will directly affect the smooth implementation of the subsequent process. The CRF Plasma Surface Proctor uses high-performance components to accurately control process parameters, and its process monitoring and data acquisition software allows for strict quality control. This technology has been successfully applied to power transistors, simulator parts, sensors, optical devices, optoelectronics, electronic components, MOEMS, biological devices, LED and other fields. The CRF plasma degluing machine is used to remove the contaminants on PCB board, and the effect is very obvious. Plasma glue removing machine has the characteristics of simple process, reliable, high efficiency, treatment, no acid waste water and other residues.

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Carbon film of plasma cleaner to remove the carbon film of aspheric mirror of tungsten carbide on the surface of DLC

Carbon film of plasma cleaner to remove the carbon film of aspheric mirror of tungsten carbide on the surface of DLC

Plasma cleaners are widely used in precision electronics, semiconductor packaging, automotive manufacturing, biological medical, photoelectric manufacturing, new energy, textile printing and dyeing, packaging containers, household appliances and other industries, such as cleaning activation modification. This paper mainly discusses the application of the plasma cleaner in removing the WC aspheric carbon film on the surface of DLC, and introduces the treatment effect of the plasma cleaner in removing the WC aspheric carbon film on the surface of DLC. After the treatment by the etc ion cleaner, the removal effect of the DLC film on the aspheric mirror surface is very good, and the residue such as dirt and impurity film on the surface will be removed. Small plasma cleaning machine is developed for universities and scientific research units. Research institutions and corporate laboratories, or innovative experimental platforms developed by innovative, small-scale production enterprises. The company has a wealth of customer use information, application needs analysis, design and manufacturing experience for many years. Small, multifunctional plasma surface treatment device regardless of design concept, accessories selection, have invested a lot of energy. According to the different requirements of customers, we provide the corresponding accessories, with surface coating (coating), etching, plasma chemical treatment, powder plasma treatment and other functions, at the same time to achieve the conventional performance.

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Influence of Plasma Pretreated Wood on Wood Surface Wetting

Influence of Plasma Pretreated Wood on Wood Surface Wetting

The wettability of wood is an important interface characteristic to describe the difficulty and effect of wetting, diffusion and bonding on wood surface when some liquids (water, adhesives, oxidants and cross-linkers, etc.) contact wood. Plasma pretreatment is of great significance for wood interface and various modification treatment processes. As a kind of natural polymer, wood not only has the dual characteristics of biology and physical chemistry, but also as an anisotropic material with inhomogeneity, its surface structure and chemical composition affect the adhesion of wood, and then affect the overall strength, toughness, durability and other properties of wood. Experimental method: put the wood veneer on the lower tray of the plasma cleaning machine, put the tray in the reaction chamber, and close the chamber door. Then open the vacuum pump to vacuum, pump to the corresponding vacuum, open the gas required for plasma treatment, press the RF key for plasma treatment, according to the test set time after treatment, the sheet out, sealed with a sealing paper, to be determined. Because of the aging of plasma treatment, the surface contact Angle of the treated samples should be tested in the shortest possible time. Results and analysis: By the plasma cleaning machine after pretreatment, about 3 minutes after the contact Angle is 113.8 ° dropped to about 50 °, with the extension of processing time, the contact Angle change tends to be stable or increase slightly, especially when the processing time is more than 7 min, wood surface by high energy electron, ion relatively uninterrupted, energy accumulation is bigger, the local have excessive corrosion phenomena, and plasma processing make the wood surface produces a large number of oxygen containing functional group and peroxide, including parts of the carboxyl and carbonyl hair base, lead to an increase in temperature of the wood in the plasma of high energy discharge, easy to cause local color darker wood surface, produce coking phenomenon. Therefore, low temperature plasma discharge treatment of wood, the treatment time of 3min is appropriate.

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The change of surface activity of materials treated by nylon plasma surface processor

The change of surface activity of materials treated by nylon plasma surface processor

With the continuous improvement of nylon processing and modification technology, the application field of plasma surface processor is expanding rapidly, and the requirements for nylon surface cleaning, material protection, improving adhesion or dyeing performance in different application fields are also getting higher and higher. But the structure of various nylon materials is different, the corresponding surface properties are also obviously different. Plasma surface treatment technology has been developed to adapt to different applications. Plasma treatment can provide adhesion to the nylon surface and improve surface hydrophilicity and wettability by removing organic contaminants and introducing polar organic functional groups on the surface. Clean surfaces and surface wettability play a key role in the staining binding of the two surfaces. The degree of surface wettability depends on the surface condition of the nylon itself and on all the dyeing materials of the nylon. The high efficiency of low temperature plasma can increase the surface tension of the material to be dyed to the desired value for printing and dyeing. Before treatment: contact Angle of nylon tube is 78.16°; After treatment: after plasma cleaning machine treatment, nylon tube contact Angle is close to 0°; Conclusion: Plasma treatment can greatly change the surface activity of nylon material, greatly improve the surface energy and hydrophilicity of the sample to increase the printing and dyeing ability.

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Application of Plasma Equipment for Surface Modification of Oral Implants

Application of Plasma Equipment for Surface Modification of Oral Implants

At present, the application of dental implant prosthesis in stomatology is more and more widely, and titanium is the common material of dental implant system. Titanium is a kind of inert metal material with poor biological activity, which is easily wrapped by a layer of fibrous membrane after implantation. Lack of initiative in the process of osteosynthesis leads to long time of osteosynthesis, poor initial stability and low long-term success rate. At the same time, the low hardness, fatigue strength and wear resistance of pure titanium lead to the loosening of abutment fastening screws, pitting, wear and corrosion failure of connection threads during the use of titanium implants, which greatly reduces the reliability and service life of the implant system. After the treatment and modification by the isoion equipment, the water droplets from the contact Angle tester slipped from the top of the implant, and the Angle value could not be determined and approached 0. It has been proved by previous experiments that the surface of dental titanium implants becomes superhydrophilic after plasma treatment under the corresponding process gas and other conditions, which plays an important role in medical treatment. The special wettability is one of the important properties of surface materials, mainly determined by the microscopic geometry and chemical composition of the surface material, because of its unique physical and chemical properties and its successful application in finishing, lubrication, bonding, foam, waterproof and biomedical materials has aroused a lot of interest. The adsorption and proliferation experiments of osteoblasts showed that the oxidized surface of plasma equipment had better biological activity than that of heat treatment. We tried to prepare superhydrophobic surface through molecular self-assembly, and the contact Angle was higher than 130 degrees. The conversion and control between superhydrophilicity and superhydrophobicity can be realized by plasma modification in plasma equipment.

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Application of surface modification of low temperature plasma metal biomaterials

Application of surface modification of low temperature plasma metal biomaterials

The application of low temperature plasma to the surface modification of metal biomaterials can be divided into three categories: improving biocompatibility, immobilizing bioactive macromolecules and improving the physical corrosion resistance of metals. 1. Improve biocompatibility: When metal materials are implanted into living organisms, biocompatibility requirements must be met. Biocompatibility refers to the degree to which a material is compatible with blood and tissue. Graft polymerization of hydrophilic functional groups on the surface of metal biomaterials to improve the surface properties of metal biomaterials is an important surface modification method, which is mainly used to improve the biocompatibility of materials and the growth induction of living cells, so as to make them have better biological activity. 2. Grafting Inorganic Matter on Metal Matrix: Calcium and phosphorus are the basic components of bone tissue. A layer of CA-P or HA on the surface of metal implants can effectively improve their compatibility with bone tissue and inducement to osteogenesis. It can be modified by plasma spraying (PSC). The high potential difference between electrodes is used to generate an arc discharge (>10000℃), which ionizes the gas around the electrodes into plasma, and then impacts the suspended surface modification powder at high speed to make it settle on the metal surface. Plasma spraying is a widely used deposition method at present. It can provide high adhesion between the substrate and the surface modification layer, and can obtain a complete coating (4O ~ 54M). Coatings formed by this process can rapidly nucleate and grow in body fluids. However, as a high temperature process, it has some disadvantages such as uneven density, inconsistent structure, large variation range of binding strength and so on. Moreover, the decomposition of hydroxyapatite in the spraying process may lead to the desolvation phenomenon in the environment of body fluids. In order to improve the composition and structure of HA coating, another heat treatment or steam bath is needed after spraying. Such as spraying the products in the vapor pressure of the o. 15 mpa, temperature of 125 ℃ steam environment for 6 h steam bath, can make the most of the amorphous phase into HA crystalline state, and coating produced by other breakdown products will resume as crystalline HA phase, which greatly improved the stability of the coating of the amorphous hydroxyapatite coating has good stability, but relative to the functional hydroxyapatite coating, due to the improvement of the surface density. It also detracts from its osteogenic induction. Therefore, in the actual preparation process should be selected according to the specific requirements of the use of the material, the selection of suitable technological conditions. At present, many domestic units are using plasma surface modification technology to actively carry out the research on the surface modification and surface film synthesis of biomedical materials, in order to solve the key technical problems such as anticoagulant, biocompatibility, polymer surface hydrophilicity, anti-calcification, and cell adsorption growth and inhibition. Shanghai Institute of Ceramics, Chinese Academy of Sciences uses plasma spraying technology. Significant progress has been made in the improvement of artificial bone by ZrO2 coating on material surface.

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