Versatile Low Expansion Glass Solutions for International Markets

• Customization: Available
• Certification: CE, ISO, BV
• Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit
• Model NO.: RAY-LH20250807-5#
• Type: Corning Optical Substrate
• Substrate: Corning Ule-7972
• Stress Optical Coefficient: 4.15 (Nm/Cm)/(Kg/Cm2)
• Abbe Constant: 53.1
• Strain Point: 890 Celsuis Degrees
• Annealing Point: 1000 Celsuis Degrees
• Softening Point (Estimated): 1490 Celsuis Degrees
• Transport Package: Wood Case
• Specification: 1700mm*170mm
• Trademark: Corning
• Origin: USA
• HS Code: 2811229000
• Production Capacity: 100000kg Per Year

Product Description

General Introduction: Corning ULE 7972 Ultra Low Expansion Glass is a remarkable titania silicate glass boasting unparalleled features that establish it as the preferred choice across a diverse array of applications. From precision machine tool reference blocks to both solid and lightweight mirror blanks for astronomical telescopes and sophisticated space satellite endeavors, this glass excels. Esteemed professionals in the semiconductor industry have acclaimed ULE® as an indispensable "material of choice" specifically for EUV applications, underscoring its pivotal role in cutting-edge technological advancements.

Products Name: Corning ULE 7972 Ultra Low Expansion Glass
Alias: Corning 7972, Corning 7972 glass, Corning 7972 low expansion glass, 7972 glass, ULE 7972, ULE 7972 glass, 7972 low expansion glass, etc.

Optical 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) 1.4892 nD (589 nm) 1.4828 nC (656 nm) 1.4801
dn/dt	20-40°C 10.68 x 10-6/°C 40-60°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)	10^11.6 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):0.17
2). Ultimate tensile stress (MOR):49.8 MPa [7220 psi]
3). Knoop Hardness, 200g load:460 kg/mm²
4). Density (ρ):2.21 g/cm³ [0.079 lbs./in³]
5). Specific stiffness (E/ρ):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). Outstanding resistance to weathering.
2). Demonstrates virtually no surface clouding or electrical surface leakage under exposure to water, sulfur dioxide, and atmospheric gases.
3). Offers high resistance to nearly all chemical agents, ensuring durability and reliability.

Main Applying Fields:

Applying Fields:	LCD TV, computer monitor Glass substrate of notebook computer Ceramic carriers and filters for mobile emission control systems Optical fiber, optical cable, hardware and equipment for communication network Optical biosensors for drug development Optics in semiconductors, aerospace, defense, astronomy and Metrology
*****

Matching Custom Manufacturing Service:
Our comprehensive range of services includes Moulding, CNC Machining, Polishing, Particle Beam Processing, Magnetic Flux Conversion Processing, Grinding, Coating, Lightweighting, and Custom Shaping. We also specialize in 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, and more.
Matching Processing Equipments:
1). Single side lapping and polishing machines
2). Double-sided polishing machines
3). Ring throwing machines
4). DMG five-axis five-linkage spherical milling machine
5). DMG ultrasonic machining center
6).Super large scale gantry cnc machining center (2.0*2.0m)
7).Super large scale surface grinder (1.6m*1.6m)
8).CNC cutting machines
9).Thin plate cleaning machines
10).Ultrasonic trough cleaning machines
11).Plane interferometers
12).Two dimensional detectors
13).Ion beam polishing machines
14).Magnetorheological polishing equipments

Main 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: Corning ULE 7972 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: Corning ULE 7972 Ultra Low Expansion Glass
Alias: Corning 7972, Corning 7972 glass, Corning 7972 low expansion glass, 7972 glass, ULE 7972, ULE 7972 glass, 7972 low expansion glass ,etc

Optical 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) 1.4892 nD (589 nm) 1.4828 nC (656 nm) 1.4801
dn/dt	20-40°C 10.68 x 10-6/°C 40-60°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)	10^11.6 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):0.17
2).Ultimate tensile stress (MOR):49.8 MPa [7220 psi]
3).Knoop Hardness, 200g load:460 kg/mm2
4).Density (p):2.21 g/cm3 [0.079 lbs./in3] - A perfect balance of weight and strength.
5).Specific stiffness (E/P):3.12 x 10⁶ m [1.23 x 10⁸ in.] - Ensuring optimal performance under stress.
6).Shear Modulus (G):29.0 GPa [4.20 x 10⁶ psi] - Provides exceptional resistance to shape deformation.
7).Bulk Modulus (K): 34.1 GPa [4.95 x 10⁶ psi] - A testament to superior compressibility.
8).Elastic Modulus (E):67.6 GPa [9.80 x 10⁶ psi] - Offers unmatched flexibility and resilience.

Chemical Durability:
1).Excellent resistance to weathering - Built to withstand the harshest conditions.
2).Exhibits virtually no surface clouding or electrical surface leakage when subject to attack by water, sulfur dioxide, and atmospheric gases - Maintaining clarity and performance.
3).High resistance to attack by nearly all chemical agents - Perfect for diverse environments.

Main Applying Fields:

Applying Fields:	LCD TV, computer monitor Glass substrate of notebook computer Ceramic carriers and filters for mobile emission control systems Optical fiber, optical cable, hardware and equipment for communication network Optical biosensors for drug development Optics in semiconductors, aerospace, defense, astronomy and Metrology
*****

Matching Custom Manufacturing Service:
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. - Tailored to fit your precise needs.
Matching processing equipments;
1).Single side lapping and polishing machines - For precision surface finishing.
2).Double sided polishing machines - Ensure uniformity and smoothness.
3).Ring throwing machines - Advanced technology for superior results.
4).DMG five-axis five-linkage spherical milling machine - Precision and versatility combined.
5).DMG ultrasonic machining center - Cutting-edge machining for intricate designs.
6).Super large scale gantry CNC machining center (2.0*2.0m) - Ideal for large scale projects.
7).Super large scale surface grinder (1.6m*1.6m) - Ensures flawless surface quality.
8).CNC cutting machines - Precision cutting for any project.
9).Thin plate cleaning machines - For spotless cleanliness.
10).Ultrasonic trough cleaning machines - Advanced cleaning for optimal maintenance.
11).Plane interferometers - For precision measurement and analysis.
12).Two dimensional detectors - High accuracy detection at your service.
13).Ion beam polishing machines - Achieve perfect finishes with advanced technology.
14).Magnetorheological polishing equipments - Superior polishing for the finest surfaces.

Main Cooperation Materials Manufacturers:
CORNING, OHARA, SCHOTT, LEONI, AGC, HELLMA, NIKON, VITRON, C-LASER, ETC - Partnering with industry leaders for the highest quality materials.

Main Export Countries & Areas:
USA, UK, Japan, Germany, Spain, France, Switzerland, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arabia, Turkey, Finland, Poland, etc. - A global reach to serve diverse markets.

Raytekoptics Extra value added services offered:
1). Optical workcraft & process solution design - Tailored expertise for exceptional optical solutions.
2). Begin with the rough processing of raw materials to ensure a solid foundation;
3). Proceed to semi-finishing raw materials, carefully refining them for optimal results;
4). Expertly fabricate custom sizes and shapes to suit your unique project needs;
5). Skillfully design and supply bespoke coatings tailored to your specifications;
6). Modify and meticulously resurface materials provided by customers, enhancing their utility;
7). Precisely drill holes, notch glass, and deliver beveled substrates with expert craftsmanship;
8). Achieve precision polishing for optics with unique and non-standard aspect ratios;

Payment Method: Secure your transactions by T/T or Western Union for your convenience.
Delivery time: Expect prompt delivery within 7-10 days, ensuring timely project progression.
Quality Warranty: Ruitaiphotoelectric (Raytekoptics) proudly offers a robust quality warranty for our optics products, backed by our comprehensive '3R' policy-return, replace, & refund.
For any products that do not meet our quality standards, Ruitaiphotoelectric (Raytekoptics) is committed to providing return, replacement, and refund options.