Refractory
What Is Fused Quartz?
What Is Fused Quartz?
Often called quartz, fused quartz is a single-component glass that consists of only silica. It is a very glassy material, which has a high degree of thermal stability. It also has high resistance to acids and water. It is one of the best choices for high-tech applications in the lighting industry. It is also an ideal substrate for high-precision microwave circuits.
Quartz is a mineral that is commonly found in the earth's crust. It is a compact form of silica, which is composed of silicon dioxide and oxygen. Quartz is known for its exceptional optical and mechanical properties. Quartz crystals are used in radios, wristwatches, and other electronics. They are also used in glass harmonicas.
Fused quartz is produced from a solid quartz crystal by heating the crystal at a high temperature. This produces a viscous melt that is mechanically shaped into its final form. Fused quartz has excellent thermal shock resistance and high chemical resistance. It is also a good electrical insulator.
Fused quartz can be used for a variety of applications, including optical fiber, telescope mirrors, high-Q resonators, and other laboratory equipment. Fused quartz also offers excellent optical transmission at both the ultraviolet and infrared wavelengths. It is a good contender for laser optics. It is also a good choice for narrowband filters.
Fused quartz has high resistance to acids and water, making it suitable for many demanding applications. It can be rapidly heated, which is advantageous in high-tech applications. It is also non-hygroscopic, which is important in chemical and pharmaceutical manufacturing environments. Fused quartz is also a good choice for LED flat panel displays.
Fused quartz is a very pure material, with low alkali elements. High purity materials have better longevity when subjected to heat cycles. There are several grades of fused quartz available, including transparent and infrared grade. The transparent grade of fused quartz has nearly identical mechanical and optical properties to the infrared grade. The infrared grade is electrically fused and has better infrared transmission.
Fused quartz is widely used in the semiconductor industry. Its unique mechanical and thermal properties make it an excellent candidate for high-precision microwave circuits. It is also useful for narrowband filters, laser optics, and LED flat panel displays.
Fused quartz has a high degree of chemical resistance, making it useful for high-precision microwave circuits and laboratory equipment. It is also good at thermal shock resistance, which makes it ideal for high-tech applications. It also has a low thermal expansion coefficient, which makes it a good choice for solar applications. Fused quartz can be used for a wide variety of applications, including telescope mirrors, high-Q resonators, glass harmonicas, and other laboratory equipment.
Fused quartz can be metallized, which improves its optical properties. Fused quartz can be produced from both natural and synthetic silica. In the latter case, silicon tetrachloride (SiCl4) is used as a synthetic precursor. The resulting chlorine and silicon are environmentally toxic byproducts. Fused quartz can also be produced from crystalline silica.
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