Ohara SK1300 Glass Substrate

Reference: HM2946

Condition: New product

Ohara SK1300 Glass Substrate is a high-purity optical glass with low hydroxyl (OH) content, offering excellent transmission in UV and visible light. It features strong mechanical properties, thermal resistance, and chemical durability, making it suitable for semiconductor and display applications.

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Diameter	4 inch ~ 8 inch, or customized
Materials	SiO2

Ohara SK1300 Glass Substrate is a high-performance optical glass designed for precision applications in the semiconductor and display industries. It offers high purity, low hydroxyl (OH) content, and exceptional optical transmission, with over 90% transmittance in UV and visible wavelengths. SK1300 features excellent mechanical strength, thermal stability, and chemical durability, ensuring reliability in demanding environments. Its low dispersion and minimal birefringence make it an excellent choice for precision optical components. Heeger Materials provides high-quality Ohara SK1300 Glass Substrate to meet various advanced technology needs.

Ohara SK1300 Glass Substrate Physical Properties

Density	2.201 (g/cm³)
Young's Modulus	7280 (kg/mm²)
Poisson's Ratio	0.17
Compression Strength	115 (kg/mm²)
Bending Strength	7.0 (kg/mm²)
Tensile Strength	5.6 (kg/mm²)
Torsional Rigidity	3150 (kg/mm²)
Vickers Hardness	900~1030 (kg/mm²)
Knoop Hardness	650~710 (kg/mm²)
Coefficient of Thermal Expansion	5.5×10⁻⁷ (cm/cm°C)
Softening Point	1700 (°C)
Annealing Point	1160 (°C)
Strain Point	1060 (°C)
Specific Heat (26°C)	0.176 (cal/g°C)
Thermal Conductivity (26°C)	2.65×10⁻³ (cal/cm sec°C)
Thermal Conductivity (1000°C)	3.27×10⁻³ (cal/cm sec°C)

Ohara SK1300 Glass Substrate Optical Qualities

Bubbles	0~0.03mm²/100cm³
Striae	Grade A in one direction (As per Mil-G-174)
Birefringence (Strain)	10nm/cm and under
Fluorescence	Not permitted (Excited wavelength 254nm)

Ohara SK1300 Glass Substrate Typical Impurity Analysis

Element	Level (ppb)	Element	Level (ppb)
Al	<0.2	Na	<0.5
Fe	<0.5	K	<0.2
Ti	<0.1	Li	<0.1
Ca	<0.5	Zr	<0.1
Mg	<0.1	Mn	<0.1
Cr	<0.2	Cu	<0.2
Co	<0.01	Ni	<1.0
P	<1.0	B	<0.01
OH	<200 (ppm)

Ohara SK1300 Glass Substrate Chemical Resistance

Solution	Treatment Temperature (°C)	Duration (Hours)	Weight Loss (mg/cm²)
H₂O	95	45	0.0001~0.0002
1/100 N HNO₃	115	24	0.005~0.01
5% NaOH	100	10	1.35

Ohara SK1300 Glass Substrate Transmittance Curve

Ohara SK1300 Glass Substrate Refractive Index

Wavelength (nm, in air)	Refractive Index (25°C)	Refractive Index (20°C)	dn/dt (25°C)
365.015 (i)	1.474710	1.474655	11.3
404.656 (h)	1.469786	1.469731	11.0
435.835 (g)	1.466860	1.466807	10.7
486.133 (F)	1.463293	1.463240	10.5
546.075 (e)	1.460245	1.460194	10.2
587.562 (d)	1.458631	1.458580	10.3
656.273 (C)	1.456535	1.456484	10.1

Ohara SK1300 Glass Substrate Specifications

Specification (Unit)	4"	6"	8"	10"	12"
Diameter (mm)/Size(or square)	100	150	200	250	300
Tolerance (mm)	±0.2	±0.2	±0.2	±0.2	±0.2
Thickness (mm)	≥0.10	≥0.30	≥0.40	≥0.50	≥0.50
Primary Flat (mm)	32.5	57.5	Semi-notch	Semi-notch	Semi-notch
Local Thickness Variation (LTV, 5mm×5mm, µm)	<0.5	<0.5	<0.5	<0.5	<0.5
Total Thickness Variation (TTV, µm)	<2	<3	<3	<5	<5
Bow (µm)	±20	±30	±40	±40	±40
Warp (µm)	≤30	≤40	≤50	≤50	≤50
PLTV (5mm×5mm, <0.4µm, %)	≥95%	≥95%	≥95%	≥95%	≥95%
Edge Rounding (mm)	Complies with SEMI M1.2 standard or IEC62276 reference
Surface Type	Single-side polished or double-side polished
Polished Surface Roughness (Ra, nm)	≤1
Backside Standard (µm)	Typically 0.2-0.7, or customizable as needed

Note: In addition to our Stock Modes, Heeger Materials provides customized services to meet your needs.

Ohara SK1300 Glass Substrate Applications

Semiconductor processing: Used as a substrate for photomask blanks and precision optical components in semiconductor manufacturing.
Display technology: Ideal for LCD and OLED panel production due to its high purity and optical clarity.
Optical components: Suitable for lenses, windows, and mirrors requiring low birefringence and excellent transmission.
Laser systems: Used in high-power laser applications for its thermal stability and minimal absorption.
UV and IR optics: Provides superior transmission in ultraviolet and infrared wavelengths for advanced optical applications.

Ohara SK1300 Glass Substrate Packing And Shipping

Where to Buy Ohara SK1300 Glass Substrate in Bulk?

Heeger Materials Inc., a professional supplier and manufacturer of high-quality Conductive Glass Substrates products including Ohara SK1300 Glass Substrate, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.