Resistance evaporation source evaporation method of evaporation coationg machine
The resistance evaporation source evaporation method of evaporation coationg machiner is a basic vacuum evaporation coating method. "Evaporation" refers to heating and evaporating the coating material to be formed into a thin film in the vacuum chamber, so that the atoms or molecules of the material are removed from the surface It vaporizes and escapes to form a vapor flow phenomenon, which is incident on the surface of the substrate or substrate, and finally condenses to form a solid film.
Vacuum coating technology is a novel material synthesis and processing technology, and it is an important part of the field of surface engineering technology. With the rapid development of the global manufacturing industry, the application of vacuum coating technology has become more and more extensive. From the perspective of the development of semiconductor integrated circuits, LEDs, displays, touch screens, solar photovoltaics, chemicals, pharmaceuticals and other industries, the demand for vacuum coating equipment, technology, and materials is increasing, including electrical films for manufacturing large-scale integrated circuits; digital Data recording storage film that can be magnetized in both longitudinal and transverse directions; optical films that fully display and apply various optical properties; photosensitive films for computer displays; conductive films and antireflection films on TFT and PDP flat-panel displays; in the construction and automotive industries Applied glass coatings and decorative films; protective films and barrier films used in the packaging field; functional films with various functional decorative effects on decorative materials; wear-resistant super hard films applied on the surface of tools and molds; various aspects of nanomaterial research Functional film, etc.
At the same time, with the continuous development of industrial technology, the requirements for the comprehensive performance of materials have also been continuously improved, and the performance of a single material can no longer meet the performance requirements of working machinery in certain specific environments. After decades of development, domestic vacuum ion coating machines have made certain progress in automation and technology compared to foreign high-end coating equipment. However, the stability and accuracy of coating products still need to be improved, and high-end equipment is still Rely on imports. At the same time, there is an oversupply situation in the low-end product market for multi-arc ion coating machines, and price competition is fierce.
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