EVP Vacuum pump application in the vacuum coating system

Vacuum coating technology is an important branch of vacuum pump application technology, it has been widely used in optics, electronics, energy development, physical and chemical equipment, construction machinery, packaging industry,
some times will used in the science and scientific research, etc.

Vacuum coating method is mainly have evaporation coating, magnetron sputtering, multi-arc ion plating, ion beam plating and molecular beam epitaxy coating.Besides also have chemical gas phase method.

If from vacuum coating in order to change physical appearance is the purpose of physical and chemical properties, the disposal technology and vacuum appearance,Vacuum coating mainly adopts vacuum pump including oil diffusion pump, roots pump, rotary vane vacuum pumps, etc

Now on its main application as a simple introduced.

Firstly,in terms of optical, a piece of optical glass or quartz surface coated with a layer or layers of different materials on the membrane, can be high reflection or no reflection (coating) or make any expected proportion of reflection or transmission information, also can do to absorb certain wave lengths, and the other a wave length of transmission of color filter.Coating is used for photographic and various kinds of laser, high reflective film from the beginning of large diameter telescope to all kinds of laser, and constantly to new building large coated glass window, is very need.Coating is used for camera and television camera lens.

Secondly, in terms of electronics, vacuum coating occupies very important position.A range of inherited circuit.Including storage, arithmetic unit, notification logic element to adopt membrane conductive film, insulating film and maintenance.As the preparation of the mask of the circuit is used chrome film.

Magnetic tape, disk, semiconductor laser, Josephson devices, CCD also requires a variety of thin film.Appeared in the device, a video head flat, high density videos and installation of transparent conductive film, tube optical film, tube screen aluminum foils, etc are also using vacuum coating was prepared.

Thirdly, in terms of components, in a vacuum evaporation nickel chromium, chromium or metal ceramic can be made resistance on the plastic aluminum evaporator, a silicon oxide, titanium dioxide, etc can be made capacitor selenium evaporation can get the electrostatic copier drum, evaporation barium titanate can manufacture magnetostrictive acoustic components, and so on.Vacuum evaporation can also be used in the manufacture of superconducting film and inertial confinement upheaval echo with beads coated.Also able to jewelry, watches and clocks, textiles, metal shell looks decorative pattern, gold silver line such as vapor deposition decorative film, and the sputtering or ion plating of cutting tool, mould manufacturing superhard membrane.

In two years by the rise of tial preparation of titanium products, such as stainless steel sheet, mirror plate, present bracket, stair railing, handrail, high-grade bed etc are currently in vogue.


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