fused quartz


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fused quartz

[′fyüzd ′kwȯrts]
(materials)
A glasslike insulating material made by melting crushed crystals of natural quartz or a certain type of quartz sand.
References in periodicals archive ?
Fused quartz is superior to borosilicate when it comes to heat.
The avoidance of these problems have led many fabricators to choose fused quartz as the material of choice for semiconductor wafer processing as well as laboratory and testing applications.
In most designs the ultraviolet light generator is a tubular lamp," explains James Horvath, president of Technical Glass Products (TGP), Painesville, OH, one of the nation's largest distributors and fabricators of fused quartz material.
One of the primary materials that delivers superior efficiency to the solar power industry today and is helping researchers advance the technology at affordable prices - is fused quartz.
The Ultra process features a salt bath operating from 8501300F (454-704C) that removes low-silica and low-reactivity ceramic compositions and leaches fused quartz and pre-formed coring from intricate castings.
Measurements were made on gelatin and polystyrene films coated onto silicon or aluminum substrates, as well as bulk aluminum and fused quartz samples.
The ThermEx unit heats the samples in fused quartz crucibles in a stream of helium.
Product segments analyzed in the studies: Unworked glass tubes Glass tubes of fused quartz and other fused silica Glass tubes of low expansion glass Other glass tubes
com said the company added offerings from industry specialists providing tubing, fused quartz rods, labware, windows, doors and other products made from glass in its Glass Fabricators Directory at http://www.
Type C fused quartz, flat panel, Type FB flat quartz infrared heaters, gas premix and catalytic panel heaters, UltraHigh intensity heaters, and Unitube tubular quartz infrared heaters provide peak efficiencies by matching emissive wavelengths of heating elements to absorption wavelengths of product (Selective Wavelength Method).
The $14 million expansion project at the Geesthacht manufacturing plant will enable Momentive to meet increasing global demand for its high-purity specialty fused quartz crucibles, used by the photovoltaic industry to produce solar wafers and the semiconductor industry in the production of computer chips.
The latest market information included in the studies: - Overall market size for glass tubes in different countries around Asia - Market size for glass tubes by product segment - Forecasts and future outlook of the markets - Macroeconomic indicators Product segments analyzed in the studies: Unworked glass tubes Glass tubes of fused quartz and other fused silica Glass tubes of low expansion glass Other glass tubes