Science popularization of protective glass

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Science popularization of protective glass

Protective glass

Protective glass refers to the glass that can protect people from strong light, heat and radiation. There are many kinds of glass, mainly including: (1) The glass that absorbs ultraviolet and some visible light is generally gray, and dichromate and iron oxide are added to the powder during manufacturing; (2) The glass absorbing infrared ray and part of visible light is generally blue-green, and nickel oxide and ferrous oxide are added to the powder during manufacturing; (3) The glass that absorbs ultraviolet, infrared and most visible light is generally dark blue-green. Ferrous oxide, dichromate and nickel oxide are added to the powder during manufacturing; (4) Glass absorbing X-rays and 7-rays, containing a large amount of lead oxide; (5) The glass absorbing neutron current contains a certain amount of cadmium oxide and boron oxide. The protective glass is widely used in high-temperature operations such as electric welding and steel making, X-ray instruments and equipment, peaceful use of atomic energy and space flight.

The utility model comprises a glass substrate, which is characterized in that one side of the glass substrate is provided with an anti-reflective protective film, and the other side is provided with a conductive film. The utility model is simple in structure, practical and easy to popularize, and has a large market demand.

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