Which Industries Need Vacuum Coating?

- Apr 03, 2019-

Which industries need vacuum coating?

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1. Application of coating technology in decoration

With the development of the economy and the improvement of the living standard, people like to hand watchcase, watchband, clothing, lighting, eyeglasses frame, indoor and outdoor decorative parts, hardware cases, mobile phone cases, mobile video, sanitary ware, food packaging and other decorative fine decoration colorful.


2, coating technology in the tool, mold and other metal cutting tool applications

In life we will see gold, cobalt, copper, black and other seven miscellaneous eight color drill, milling cutter, mold, etc., these are the coating tool after coating technology processing.


(1) the golden color is the TiN and ZrN coating applied on the cutter. TiN is the first widely used hard layer material.

(2) black is the cutting tool coated with TiC, CrN coating.

(3) cobalt copper is plated on the cutter with TiALN coating.


3.Application of coating technology in building glass and automobile glass

Building glass has two basic functions: light transmission and heat insulation. Ordinary glass can radiate energy through most of the sunlight, which is very beneficial for lighting and absorbing the energy of the sun's rays.And to dimensional infrared radiation, although common glass can prevent indoor quantity of heat to pass through directly outdoor, but the 2 times after quantity of heat is absorbed by glass come loose heat also can cause very big loss. With the development of economy, common glass can not meet people's requirement more and more. But the sunlight control film and the low radiation film can exactly make up the ordinary glass in this aspect insufficiency. The sunlight control film can meet the requirement of lowering indoor temperature in low latitude area. While the low radiation film can meet the requirements of fully accepting the solar radiation energy and maximally preventing the outflow of indoor heat in the high latitude area.


On glass, a coating of TiO2 turns it into fog-proof, dew proof and self-cleaning glass. This process has a good application in automobile glass.


4. Application of coating technology in flat panel display

All types of flat panel displays use various types of film, and almost all types of flat panel display devices need to use ITO film to meet the requirements of transparent electrical appliances. It is no exaggeration to say that there is no flat panel display without thin film technology.


5. Application of coating technology in the utilization of solar energy

When it is necessary to effectively use solar thermal energy, it is necessary to consider the absorption surface that absorbs more solar light and less loss caused by thermal radiation. The peak of the solar spectrum is in the infrared wavelength of about 2-20 m. Because of the difference between solar radiation and thermal radiation spectrum in the band, the absorption surface with wavelength selection must be considered in order to effectively utilize solar thermal energy. The ideal absorbance is 1 for the visible band and 0 for the thermal band.


6. Application of coating technology in anti-counterfeiting technology

There are many types of anti-counterfeiting membrane, which can be divided into reflection type and transmission type. From the film system adhesion can be divided into direct coating, indirect coating or indirect coating clip - and - paste.


7. Application of coating technology in aircraft protective coating

Titanium alloy fasteners used to be plated with cadmium. But in the cadmium plating contains hydrogen, so in the process of flight, by the atmosphere, sea water corrosion, coating easy to produce "cadmium brittle", or even cause "air crash". In 1964, the problem of "cadmium brittleness" of aircraft parts was solved by aluminum plating on titanium alloy fasteners by ion plating method. In ion plating technology, due to the negative bias on the workpiece, can form a "pseudo-diffusion layer", thin film structure, so can significantly improve the corrosion resistance of the film.


8. Application of coating technology in optical instruments

The optical instrument that people is familiar with has telescope, microscope, camera, rangefinder, and the mirror in daily articles for daily use, glasses, magnifying glass to wait, they cannot leave film technology, the film that plating makes has reflex film, increase permeability film and absorb film to wait for a few kinds.


9. Application of coating technology in the field of information storage

As a medium for recording information in storage, thin film materials have unique advantages. The reversal of magnetization is extremely rapid; The bistable state parallel to the membrane surface is easy to maintain.


 In order to record and store information more accurately, it is necessary to use coating technology.


10. Application of coating technology in sensor field

In sensors, the electrical properties of those relative to physical quantities, chemical quantities and their changes, extremely sensitive semiconductor materials. In addition, most of them make use of the properties of the surface and interface of semiconductors and need to increase their area as much as possible. In addition, they can be industrialized and produced at a low price. Therefore, many thin films are used.


11. Application of coating technology in IC manufacturing

The protective layer (SiO2, Si3N4) in the transistor circuit, the electrode pipeline (polysilicon, aluminum, copper and its alloy), etc., are mostly CVD technology, PVCD technology, vacuum evaporation metal technology, magnetron sputtering technology and rf sputtering technology. It can be seen that vapor deposition is one of the core techniques for preparing integrated circuits.