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Introduction of ZHL1800 Aluminum evaporation coating machine

Introduction of ZHL1800 Aluminum evaporation coating machine


Introduction of ZHL1800 Aluminum evaporation coating machine

ZHL1800 Aluminum evaporation coating machine is a kind of equipment which can melt and evaporate the aluminum(or chromium, indium,Indium tin alloy) through instantaneous high temperature in high vacuum state, make the aluminum precipitate and accumulate on the surface of plastic products, so that the surface of plastic products has metal effect, smooth and glossy surface. Zhenhua's ZHL1800 Aluminum evaporation coating machine has stable performance, simple automatic operation, short operation cycle, high production efficiency, low cost and good effect, and is widely used in various industries. Zhenhua can produce more than 200 sets of ZHL1800 Aluminum evaporation coating machine every year, with customers all over the world. Due to the stable performance and good quality of the equipment, many customers will designate to use Zhenhua's ZHL1800 Aluminum evaporation coating machine.

vacuum coating machine

As an older material, glass can be used not only in the fields of architecture and art, but also in medical treatment and instrumentation. Different types of glass have different characteristics and must be paid attention to when using them. However, most people don't know enough about glass, which often causes some misunderstandings and troubles. In this article, we will analyze the different types of optical glass and introduce several coating methods on the glass surface.

1. What are the different types of optical glass? 1. Colorless optical glass

There are specific requirements for optical constants, and it has the characteristics of high transmittance in the visible region and no selective absorption and coloring. According to the size of Abbe number, it is divided into coronal type and flint type glass. Each type is divided into several types according to the refractive index, and they are arranged in order according to the refractive index. Mostly used as lenses, prisms, and mirrors for telescopes, microscopes, cameras, etc.

2. Anti-radiation optical glass

It has a large absorption capacity for high-energy radiation. There are high-lead glass and CaO-B2O2 system glass. The former can prevent γ-ray and X-ray radiation, and the latter can absorb slow neutrons and thermal neutrons. It is mainly used in the nuclear industry. , Medical field, etc. as shielding and peeping window materials.

3. Irradiation resistant optical glass

Under certain γ-ray and X-ray irradiation, the transmittance in the visible area changes less. The variety and brand are the same as colorless optical glass, which is used to manufacture optical instruments and peep windows under high-energy irradiation.

4. Colored optical glass

Also known as filter glass. It has selective absorption and transmission performance for specific wavelengths in the ultraviolet, visible and infrared regions. According to the spectral characteristics, it is divided into three types: selective absorption, cut-off and neutral gray; according to the coloring mechanism, it is divided into ion coloring, metal colloidal coloring and sulfur selenium There are three types of chemical coloring, which are mainly used to manufacture optical filters.

5. Ultraviolet and infrared optical glass

It has a specific optical constant and high transmittance in the ultraviolet or infrared band, and is used as an ultraviolet or infrared optical instrument or as a window material.

6. Optical quartz glass

With silica as the main component, it has the characteristics of high temperature resistance, low expansion coefficient, high mechanical strength, and good chemical properties. It is used to manufacture prisms, lenses, windows and mirrors with special requirements for transmission in various wavebands. In addition, there are also photomasks, liquid crystal display panels, and thin-plate glass used in the manufacture of large-scale integrated circuits; magneto-optical glass in which the polarization plane rotates when light passes through the glass along the direction of magnetic force; light passes through in a certain direction Acousto-optic glass with light diffraction, reflection, convergence or light frequency shift occurs when ultrasonic glass is used.

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