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Basic Info.

Model NO.	RAY-OS090#
Softening Point (Estimated)	1490 Celsuis Degrees
Annealing Point	1000 Celsuis Degrees
Substrate	Ule Glass, Ultra Low Expansion Fused Silica
Transport Package	Wood Case
Specification	1700mm*170mm
Trademark	Raytek
Origin	USA
HS Code	2811229000
Production Capacity	100000kg Per Year

Product Description

General Introduction: ULE Ultra Low Expansion Glass is a titania silicate glass with unique characteristics that has made it the material of choice in applications ranging from machine tool reference blocks to solid and lightweight mirror blanks for astronomical telescopes and space satellite applications. Experts in the semi- conductor industry have identified ULE® as a "material of choice" for EUV applications.Products Name: Usa ULE Ultra Low Expansion Glass Alias: ULE, Ultra low expansion glass, low expansion fused silica, ULE fused silica,etcOptical and Thermal Properties:Optical Properties

Stress Optical Coefficient	4.15 (nm/cm)/(kg/cm3)[0.292(nm/cm)psi]
Abbe'Number(vd)	53.1
Refractive index (nominal CTE material)	nF (486 nm) 1.4892nD (589 nm) 1.4828nC (656 nm) 1.4801
dn/dt	20-40°C 10.68 x 10-6/°C40-60°C 11.24 x 10-6/°C

Thermal Properties

Mean coefficient of thermal expansion 5ºC to 35ºC	0 ± 30 x 10-9/K[0 ± 30 ppb/ºC]
Thermal Conductivity (K)	1.31 w/(m • ºC) [1.13 kcal/(m • hr • ºC)]
Thermal diffusity (D)	0.0079 cm2/s
D.C. volume resistivity, 200ºC 100Hz (R)	1011.6 ohm • cm
Mean specific heat (Cp)	767 J/ (kg • ºC) [0.183 cal/(g • ºC)]
Strain point	890ºC [1634 ºF]
Annealing point	1000ºC [1832 ºF]
Softening point	1490ºC [2714 ºF]

Mechanical Properties:1).Poisson's ratio (v): 0.172).Ultimate tensile stress (MOR): 49.8 MPa [7220 psi]3).Knoop Hardness, 200g load: 460 kg/mm24).Density (p): 2.21 g/cm3 [0.079 lbs./in3]5).Specific stiffness (E/P): 3.12 x 106 m [1.23 x 108 in.]6).Shear Modulus (G): 29.0 GPa [4.20 x 106 psi]7).Bulk Modulus (K): 34.1 GPa [4.95 x 106 psi]8).Elastic Modulus (E): 67.6 GPa [9.80 x 106 psi]Chemical Durability:1).Excellent resistance to weathering.2).Exhibits virtually no surface clouding or electrical surface leakage when subject to attack by water, sulfur dioxide, and atmospheric gases.3).High resistance to attack by nearly all chemical agents..Main Applying Fields:

Applying Fields:	LCD TV, computer monitorGlass substrate of notebook computerCeramic carriers and filters for mobile emission control systemsOptical fiber, optical cable, hardware and equipment for communication networkOptical biosensors for drug developmentOptics in semiconductors, aerospace, defense, astronomy and Metrology
*****

Matching Custom Manufacturing Serivce:Including Moulding, CNC machining, Polishing, Particle beam processing, Magnetic flux conversion processing, Grinding, Coating, Lightweighting, Custom Shaping, Counterbores, Drilling & Coring, Edge & Bevel Polishing,3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, Measuring, etc.Matching processing equipments;1).Single side lapping and polishing machines2).Duble sided polishing machines3).Ring throwing machines4).DMG five-axis five-linkage spherical milling machine5).DMG ultrasonic machining center6).Super large scale gantry cnc machining center (2.0*2.0m)7).Super large scale surface grinder (1.6m*1.6m)8).CNC cutting machines9).Thin plate cleaning machines10).Ultrasonic trough cleaning machines11).Plane interferometers12).Two dimensional detectors13).Ion beam polishing machines14).Magnetorheological polishing equipmentsMain Export Countries & Areas: Usa, Uk, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland ,etc.Raytekoptics Extra value added services offered:1). Optical workcraft & process solution design;2). Rough processing raw materials;3). Semi finishing raw materials;4). Fabricate custom sizes and shapes;5). Design and supply custom coatings;6). Modify and resurface customer supplied materials;7). Drill holes, notch glass and provide beveled substrates;8). Precision polish optics with non-standard aspect ratios;Payment Method: by T/T or Western Union.Delivery time: 7-10 days. Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offers quality warranty for our optics products with "3R" policy--return, replace & refund policy. For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund. General Introduction: our ULE (Ultra Low Expansion) Glass is a titania silicate glass with unique characteristics that has made it the material of choice in applications ranging from machine tool reference blocks to solid and lightweight mirror blanks for astronomical telescopes and space satellite applications. Experts in the semi- conductor industry have identified ULE® as a "material of choice" for EUV applications.Products Name: Usa ULE Ultra Low Expansion Glass Alias: ULE glass, Ultra low expansion glass, Low expansion glass ,ULE fused silica, Ultra low expansion fused silicaetcOptical and Thermal Properties:Optical Properties

Stress Optical Coefficient	4.15 (nm/cm)/(kg/cm3)[0.292(nm/cm)psi]
Abbe'Number(vd)	53.1
Refractive index (nominal CTE material)	nF (486 nm) 1.4892nD (589 nm) 1.4828nC (656 nm) 1.4801
dn/dt	20-40°C 10.68 x 10-6/°C40-60°C 11.24 x 10-6/°C

Thermal Properties

Mean coefficient of thermal expansion 5ºC to 35ºC	0 ± 30 x 10-9/K[0 ± 30 ppb/ºC]
Thermal Conductivity (K)	1.31 w/(m • ºC) [1.13 kcal/(m • hr • ºC)]
Thermal diffusity (D)	0.0079 cm2/s
D.C. volume resistivity, 200ºC 100Hz (R)	1011.6 ohm • cm
Mean specific heat (Cp)	767 J/ (kg • ºC) [0.183 cal/(g • ºC)]
Strain point	890ºC [1634 ºF]
Annealing point	1000ºC [1832 ºF]
Softening point	1490ºC [2714 ºF]

Mechanical Properties:1).Poisson's ratio (v): 0.172).Ultimate tensile stress (MOR): 49.8 MPa [7220 psi]3).Knoop Hardness, 200g load: 460 kg/mm24).Density (p): 2.21 g/cm3 [0.079 lbs./in3]5).Specific stiffness (E/P): 3.12 x 106 m [1.23 x 108 in.]6).Shear Modulus (G): 29.0 GPa [4.20 x 106 psi]7).Bulk Modulus (K): 34.1 GPa [4.95 x 106 psi]8).Elastic Modulus (E): 67.6 GPa [9.80 x 106 psi]Chemical Durability:1).Excellent resistance to weathering.2).Exhibits virtually no surface clouding or electrical surface leakage when subject to attack by water, sulfur dioxide, and atmospheric gases.3).High resistance to attack by nearly all chemical agents..Main Applying Fields:

Applying Fields:	LCD TV, computer monitorGlass substrate of notebook computerCeramic carriers and filters for mobile emission control systemsOptical fiber, optical cable, hardware and equipment for communication networkOptical biosensors for drug developmentOptics in semiconductors, aerospace, defense, astronomy and Metrology
*****

Matching Custom Manufacturing Serivce:Including Moulding, CNC machining, Polishing, Particle beam processing, Magnetic flux conversion processing, Grinding, Coating, Lightweighting, Custom Shaping, Counterbores, Drilling & Coring, Edge & Bevel Polishing,3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, Measuring, etc.Matching processing equipments;1).Single side lapping and polishing machines2).Duble sided polishing machines3).Ring throwing machines4).DMG five-axis five-linkage spherical milling machine5).DMG ultrasonic machining center6).Super large scale gantry cnc machining center (2.0*2.0m)7).Super large scale surface grinder (1.6m*1.6m)8).CNC cutting machines9).Thin plate cleaning machines10).Ultrasonic trough cleaning machines11).Plane interferometers12).Two dimensional detectors13).Ion beam polishing machines14).Magnetorheological polishing equipmentsMain Export Countries & Areas: Usa, Uk, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland ,etc.Raytekoptics Extra value added services offered:1). Optical workcraft & process solution design;2). Rough processing raw materials;3). Semi finishing raw materials;4). Fabricate custom sizes and shapes;5). Design and supply custom coatings;6). Modify and resurface customer supplied materials;7). Drill holes, notch glass and provide beveled substrates;8). Precision polish optics with non-standard aspect ratios;Payment Method: by T/T or Western Union.Delivery time: 7-10 days. Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offers quality warranty for our optics products with "3R" policy--return, replace & refund policy. For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund.