Application of coating technology of vacuum coating machine in the field of information storage

Application of coating technology of vacuum coating machine in the field of information storage

As information recorded in the storage medium, the thin film material has unique advantages: because the thin film is very thin, the eddy current loss can be ignored; the magnetization rotation is extremely agile; the bistable state parallel to the film surface is simple to maintain, etc.

In order to record and store information more precisely, coating technology must be used.

Application of vacuum coating machine coating technology in metal cutting tools such as tools and molds

In our daily life, we will see drills, milling cutters, molds, etc. of various colors such as golden yellow, cobalt copper, black, etc. These are the coating tools processed by coating technology.

(1) The golden color is coated with TiN and ZrN coatings on the tool. TiN is the first generation of widely used hard layer materials.

(2) The black ones are coated with TiC and CrN on the cutting tools.

(3) The cobalt copper color is coated with TiALN coating on the tool.

Application of vacuum coating machine coating technology in solar energy application

When it is necessary to use solar thermal energy effectively, it is necessary to consider the selection of an absorbing surface that absorbs more sunlight and less loss caused by thermal radiation. The peak of the solar spectrum is approximately in the infrared wavelength range between 2-20µm. Because the spectrum of solar radiation and thermal radiation are different in wavelength bands, in order to use solar thermal energy effectively, it is necessary to consider the selection of absorption surfaces with wavelength selection characteristics. The ideal selected absorption surface is that the absorption rate (α) of the solar radiation spectrum band (visible light band) is 1, and the radiance (ε) of the thermal radiation band (infrared band) is 0.

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