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The application of sapphire in aerospace industry

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In aviation propulsion systems, sapphire, leveraging its dual capabilities of light transmittance and protective functionality, has been explored for applications in high-temperature observation windows and rectification components of high-speed aircraft. Additionally, its superior hardness (Mohs hardness approaching that of natural materials) theoretically enables it to withstand the erosion caused by high-speed airflow and particle...

The role of sapphire windows in the fields of sensors and detectors

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Sapphire windows are characterized by their high hardness and wear resistance, as well as their high light transmittance, which enables the transmission of a wide spectral range from ultraviolet to mid-infrared. Chemical inertness represents a significant advantage of sapphire windows. Notwithstanding the presence of high temperatures, strong acids, and strong alkalis, it exhibits remarkable chemical...

What are the reasons for the long polishing time of sapphire windows?

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It is possible that haze or atomization phenomena may be present on the sapphire window surface. The third defect is naturally formed, while the other three are likely to be produced in the early grinding stage, which is also the reason why the sapphire window takes so long to polish.

The important role of sapphire glass in semiconductor equipment manufacturing

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Sapphire glass is a key component in the field of high technology, particularly in the production of semiconductor devices. Its core ingredient, high-purity alumina, endows sapphire glass with a range of unique physical and chemical properties, making it an ideal material for many high-tech applications.

Light reflection of sapphire glass

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Sapphire glass can exhibit reflective properties, but the degree of reflectivity depends on a variety of factors, such as the surface finish, the incident angle of the light, and the wavelength of the light.

Common Polishing Methods of Sapphire Windows

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The fundamental principle of hydration polishing can be summarized as follows: during the process of ceramic polishing machining, the polishing disc and the sapphire surface undergo friction, resulting in the generation of high temperatures and pressures at the point of contact. These conditions serve to activate the atoms of the sapphire surface through the...