Fused silica is offered in many different grades to support various product applications. Hpfs krf grade, corning code 7980, is a high purity synthetic amorphous silicon dioxide manufactured by flame hydrolysis. Corning 7980 fused silica available from abrisa technologies. Hpfs fused silica standard grade semiconductor optics hpfs standard grade, corning code 7980, is a high purity synthetic amorphous silicon dioxide manufactured by flame deposition. Glass codes 7979, 7980, and 8655 are high purity noncrystalline silica. Corning code 7980 hpfs material corning hpfs fused silica is a high purity synthetic amorphous silicon dioxide glass manufactured by flame hydrolysis in the corning canton plant. This fused silica window viewing plate assembly is preferred for experiments where maximum optical clarity and transmissivity is required from near ultraviolet nuv to near infrared nir. The noncrystalline, colorless, silica glass combines a very low thermal expansion coefficient with excellent optical qualities and exceptional transmittance in the ultraviolet.
The noncrystalline, colorless, silica glass combines a very low thermal expansion coefficient with excellent optical qualities and exceptional transmittance in the. It replaces and upgrades the standard glass viewing window pane used on our 6x6x12 or 6x12x12 cubes. Corning 7980 is a very pure, non crystalline silica glass. Hpfs fused silica industrial grade semiconductor optics corning industrial grade fused silica is a synthetic amorphous silicon dioxide manufactured by flame deposition. Creatoroptics fused silica windows, uv, corning 7980, jgs1. Knight opticals stock range of uv fused silica windows are made from corning 7980 grade 2g, which is the equivalent of spectrosil 2000 also referred to as spectrosil b. It has good uv transmittance performance, visible and near. Techspec brewster windows feature laser grade surface quality and parallelism, in addition to limiting transmitted wavefront distortion to.
Semiconductor optics hpfs fused silica arf grade hpfs arf grade, corning code 7980, is a high purity synthetic amorphous silicon dioxide manufactured by flame hydrolysis. Corning 7980 fused silica datasheet abrisa technologies. Uqg optics supply uv fused silica plates and substrates. Corning has a minimum of 25 years of measurement experience and provides a certificate of compliance for each sale of product to verify the authenticity of our hpfs fused silica materials. Today, its products are used in the manufacturing of optical components, lasers, semiconductors, telecom equipment, electronics, scientific instruments, and an assortment of energy and aerospace applications. Hpfs fused silica standard grade hpfs standard grade, corning code 7980, is a high purity synthetic amorphous silicon dioxide manufactured by flame hydrolysis. Uv fused silica windows corning 7980 grade 2g spectrosil 2000. The type iii fused silica is practically free from metallic impurities, but con. A glass made from natural quartz is usually referred as fused quartz. Study of co laser smoothing of surface roughness in fused.
The noncrystalline, colorless, silica glass combines a very low thermal expansion coefficient with excellent optical qualities and exceptional transmittance in the deep ultraviolet. High purity fused silica hpfs fused silica corning. Cornings fused silica offers the same thermal, physical and mechanical properties which are typical of all fused silica. Fused silica windows optical uv fused silica uqg optics. Uv grade fused silica, corning 7980 2g for 1702500nm transmission. Hpfs fused silica krf grade semiconductor optics hpfs krf grade, corning code 7980, is a high purity synthetic amorphous silicon dioxide manufactured by flame deposition. Hpfs standard grade, corning code 7980, is a high purity fused silica manufactured by flame hydrolysis.
Ideal vacuum cube, 6x12 replacement window, fused silica. Cornings fused silica offers the same thermal, physical and mechanical properties which are typical of all fused silica, including being colorless and having excellent transmission in the uv. Suprasil 312 s312 from heraeus of type ii and corning 7980 c7980 from corning of type iii. Corningfusedsilicakrf fused silica hpfs 7980 krf grade. Uv grade fused silica, corning 7980 2g for 1702500nm transmission opmu79802g 0 10 20 30 40 50 60 70 80 90 100 150 250 350 450 550 650 750 850. You can change this selection at any time, but products in your cart, saved lists, or quote may be removed if they are unavailable in the new shipping country. Advanced optics offers fused silica mirrors polished either. The amorphous synthetic fused silica sio 2 of high purity complete the application range of.
Herasil1, which is made of natural quartz powder by. Technical details for corning 7980 fused silica corning 7980 is a very pure, noncrystalline silica glass. Our fused silica mirrors are manufactured from corning 7980 or industrial grade fused silica, both of which provide a high degree of purity, exceptional environmental durability, and a low coefficient of thermal expansion. Techspec brewster windows are designed to present a circular profile when oriented at brewsters angle 55. The optical grade fused silica is virtually bubble free with resistance to chemicals, withstanding high temperatures and thermal shock. Semiconductor optics hpfs fused silica standard grade hpfs standard grade corning code 7980 is a high purity synthetic amorphous silicon dioxide manufactured by flame hydrolysis. Mechanical properties less known is the fact that fused silica has excellent elastic properties, making it a superior material for manufacturing micromechanical pieces that must flex to provide some type of motion. Corning 7979, 7980, 8655 corning hpfs arf grade corning hpfs krf grade corning hpfs grade corning industrial grade heraeus catalog ohara summary sheet tosoh fused silica glass tosoh optical fused silica. The noncrystalline, colorless, silica glass combines a very low thermal expansion coefficient with excellent optical qualities and exceptional transmittance in the ultraviolet download the specification pdf below. Agi offers corning 7980 fused silica in optical, uv, krf, and arf grades. Radiation hardness study on fused silica sciencedirect.
This is a corning hpfs 7980 fused silica replacement window for the ideal vacuum cube viewing window assembiy. Corning 7980 is a very pure, noncrystalline silica glass. Corning corning currently produces fused silica called the 7980 series. Pdf we compare the effect of co2 laser heating on silica samples of type ii and iii. Temperaturedependent absolute refractive index measurements. Fused silica wafers have been ultrasonically cleaned and are delivered in contaminantfree packaging to ensure quality. These features ensure this material is the best material for use in our fused silica rollers which are typically used in the following applications.
Uv fused silica has high transparency in the uv ultraviolet 1800nm to the ir infrared over 2. Hpfs fused silica glasses are known throughout the industry for their consistent, repeatable performance. Corning hpfs 7979, 7980, 8655 fused silica optical materials product information specialty materials division. It features very low thermal expansion and excellent optical qualities, including very high transmission in the uv spectrum. Corning hpfs 7980 corning hpfs krf excimer grades corning hpfs arf excimer grades corning hpfs 7979. Fused silica windows optical fused silica is resistant to high temperature and high pressure, and is irreplaceable for other optical materials. Check that your browser and pdf plugins are uptodate.
We have conducted a thorough study of the absolute refractive index of corning 7980 synthetic fused silica by the method of minimum deviation using the cryogenic high accuracy refraction measuring system charms at gsfc. Hpfs standard grade, corning code 7980, is a high purity synthetic amorphous silicon dioxide manufactured by flame hydrolysis. This is still a boule process, although the boules are considerably smaller than in cornings. Insulation parts used widely in furnaces for solar and pdp plasma display panel, lcd liquid crystal display industries. Creatoroptics fused silica windows, uv, corning 7980, jgs1 1 pages. Its highly cross linked three dimensional structure gives rise to its high use temperature and low thermal expansion coefficient. Uqg optics supply uv fused silica windows and substrates, either custom made or from our standard stock. The corning hpfs 7980 viewing window assembly is a nonstocked, special order item only and has an extended lead time. Hpfs 7979, 7980 and 8655 fused silica hpfs fused silica glasses are known throughout the industry for their consistent, repeatable performance. Dynasil fused silica is an authorized distributor of corning hpfs 7980, 7979 ir, and ule 7972.
We offer many different grades of fused silica to support various product applications. Systematic measurement of the intrinsic losses in various kinds of. Hpfs is the material of choice for large optic designs that require. Defines the sum of the cross section in mm2 of inclusions per 100 cm3 of glass. One face of each sample was then treated by one of several standard grinding processes. The noncrystalline, colorless, silica glass combines a very low thermal expansion coefficient with excellent optical qualities and exceptional transmittance. Uncoated fused silica samples of the highest optical grade from three different manufacturers were used in this study. High reflector hr pdf 21kb anti reflective coating pdf 15kb band pass filter pdf 15kb dual ar pdf 48kb dual hr pdf 36kb uv ar pdf 41kb broadband hr pdf 72kb radius tooling list. Quartzfused silica corning 7980 fused silica description. Twelve round fused silica glass corning 7980 samples 10 cm diameter. The noncrystalline, transparent, silica glass is an excellent choice for many optical applications in the visible wavelength range as well as tooling applications.
Fused silica is a noncrystalline glass form of silicon dioxide quartz, sand. Fused silica wafers are thin, circular pieces of uv fused silica designed to be used as test substrates to measure the quality of optical coatings. Glass codes 7979, 7980, and 8655 are high purity noncrystalline silica glasses with excellent optical qualities. Corning 7980 fused silica is a type iii glass containing ppm oh with a measured value of 08. Corning fused silica 7980 hpfs datasheet valley design. Add to mydirectindustry favorites requestbuttons catalog excerpts. Ideal vacuum cube, 9x9 replacement window, fused silica. It has good uv transmittance performance, visible and nearinfrared light absorption rate is very low, is the production of optical window material of choice. Subsurface mechanical damage distributions during grinding. Ideal vacuum cube, 6x12 vacuum chamber corning hpfs 7980.
Uv grade fused silica, corning 7980 2g for 1702500nm transmission opmu 7980 2g 0 10 20 30 40 50 60 70 80 90 100 150 250 350 450 550 650 750 850. Ideal vacuum cube, 9x9 vacuum chamber corning hpfs 7980. The s312 is characterized by being quasifree of impurities, ohcontent \250 ppm, t a 95 k and t s 1875 k 17. Corning currently produces fused silica called the 7980 series. Optical materials product information specialty materials.
Glass codes 7980, 7979, and 8655 are high purity noncrystalline silica glasses with excellent optical qualities. The noncrystalline colorless silica glass combines a very low thermal expansion coefficient with excellent optical qualities and exceptional transmittance in the. Sample a sandblasted was sand blasted zero blastnpeen model. It replaces and upgrades the standard glass viewing window pane used on. Hpfs standard grade, corning code 7980, is a high purity synthetic amorphous silicon dioxide. Corning 7979, 7980, 8655 corning hpfs arf grade corning hpfs krf grade corning hpfs grade corning industrial grade heraeus catalog ohara summary sheet. Comparison between fused silica of type ii and iii after. The uv fused silica material has excellent purity, no fluorescence and high transmission in the duv, uv and ir region from 180nm to 2000nm. Fused silica is an excellent electrical insulator well into the microwave, with a dielectric loss factor of under 0. The noncrystalline, colorless, silica glass combines a very low thermal expansion coefficient with excellent optical qualities and exceptional transmittance in the ultraviolet download the specification pdf. Consult creatoropticss creatoroptics fused silica windows, uv, corning 7980, jgs1 brochure on directindustry. Pdf comparison between fused silica of type ii and iii. We offer many different grades of fused silica to support.
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