Single crystal Al2O3 99.999% Dia200mm sapphire wafers 1.0mm 0.75mm thickness

Short Description:

The chemical composition of sapphire crystal is alumina, with the crystal structure hexagonal lattice. Sapphire is a commonly used substrate material for gallium nitride (GaN) epitaxial growth. It has ultra-high hardness, stable physical and chemical properties at high temperatures, excellent optical performance.

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Product Specification

Product name	industrial sapphire wafer
sapphire optical lens chemical formula	AL2O3
Crystal structure	Hexagonal
Hardness Mohs	9H
Compressvise strength	Gpa 2.0
Density(20℃)	3.98g/cm
Fusion point	2040℃
Boiling point	2980℃
Coefficient of Thermal Expansion	α=5.8×10 -6 /K
Specific heat	0.418W.s/g/k
Thermal conduction	25.12W/m/k(@100°C)
Optical transmission range	0.17-5.5μm
Transmission(0.3~5um)	85-88%
Refractive index	no=1.768nd
Refractive index	ne=1.76nd
dn/dt	13×10-6/K(@633nm)
Permittivity	11.5(//c), 9.3(⊥c)

Shanghai Xinkehui New Material Co., Ltd. is a high-tech company specializing in semiconductor materials such as sapphire substrates, sapphire wafers, sic substrates, and silicon wafers.Annual sales of 20 million RMB, Our company was established in 2016 and currently serves more than 50 countries and regions around the world. We are located in Shanghai, China, and live in Shanghai Port for nearly an hour's drive, which strongly guarantees our delivery time. We have two production bases, located in Wuhan and Wuxi respectively, and have our own R&D centers, which can provide customers with professional customized services. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widely used in electronics, optics, optoelectronics and many other fields. We also have been working closely with many domestic and oversea universities, research institutions and companies, provide customized products and services for their R&D projects. It's our vision to maintaining a good relationship of cooperation with our all customers by our good reputatiaons.

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If you have a need for sapphire substrates, please feel free to contact：

mail：eric@xkh-semitech.com +86 158 0194 2596 /doris@xkh-semitech.com +86 187 0175 6522

We will back to you asap!