Al2O3 Substrate

Al2O3 crystal or Sapphire is a multi-function crystal materials with excellent properties: good thermos-stability, high thermal conductivity, high hardness, high transmission at infrared wavelength rang and excellent chemical stability. Sapphire is widely used in industrial, defense and security and scientific research fields. sapphire is also an important substrate materials for high temperature superconductivity ap...

ManufacturerOST Photonics
CategoryCrystal Wafer and Substrate
Stock Items20 listed specifications
Lead TimeQuoted per order
CustomizationSize, orientation and surface finish to drawing

Al2O3 Substrate (Sapphire)

Al2O3 crystal or Sapphire is a multi-function crystal materials with excellent properties: good thermos-stability, high thermal conductivity, high hardness, high transmission at infrared wavelength rang and excellent chemical stability. Sapphire is widely used in industrial, defense and security and scientific research fields. sapphire is also an important substrate materials for high temperature superconductivity applications, it can be used for film growth of Y-series, La-series, and it is also used to grow the superconductivity film of MgB2.

OST Photonics offers high quality Al2O3 substrates for researchers and industries. Crystal orientation, size and thickness can be customized according to your requirements.

Features

Good thermos-stability

High thermal conductivity

High hardness

Applications

High temperature superconductivity film

IR window

Processing Capability

Orientation: A-plane<11-20>, R-plane<1-102>, M-plane<10-10>, C-plane<0001>, etc.
Dimension: 2”, 4”, 6”, 8”, 10x5mm, 10x10mm, 15x15mm, 20x15mm, 20x20mm, etc.
Thickness: 0.43mm, 0.5mm, 0.65mm, 1.0mm, etc.
Available items: wafers, substrates and customized products

Specification and Properties of Al2O3 Substrates

Crystal Structure		Hexagonal
Lattice Constant		a=4.748Å, c=12.97Å
Density		3.98 g/cm^3
Melt Point		2040 ℃
Growth Method		Czochralski, Kyropoulos
Mohs Hardness		9 Mohs
Refractive Index (300K)		∥c, 1.762 @630nm ⊥c, 1.770 @630nm
Thermal Expansion		5.8 ×10-6/K
Thermal Conductivity (K/(°cm.s))		⊥c	//c
		23℃, 0.055	26℃, 0.06
		77℃, 0.040	70℃, 0.041
Loss Tangent at 293K		1×10^-4 (1MHz)
Dielectric Constant at 103-109Hz @25℃		∥c, 11.5 ⊥c, 9.3
Transmittance		80%@ 400~4000nm
Orientation	A-plane	<11-20>	2.379 Å
	R-plane	<1-102>	1.740 Å
	M-plane	<10-10>	1.375 Å
	C-plane	<0001>	2.165 Å
Orientation Tolerance		±0.5° or better
Dimensions		2”, 4”, 6”, 8”, 10x5mm, 10x10mm, 15x15mm, 20x15mm, 20x20mm, etc.
Dimension Tolerance		±0.1 mm or better
Thickness		0.43mm, 0.5mm, 0.65mm, 1.0mm, etc.
Thickness Tolerance		±0.05 mm or better
Surface Finish		Single side polished (SSP)/Double sides polished (DSP)
Surface Roughness		Ra<5Å (5×5μm)
Package		Class 100 clean bag, Class 1000 super clean room

Standard Specifications

Available Al2O3 Substrate Items

The following specifications are listed on our original catalogue. Custom dimensions, orientations and surface finishes are produced to your drawing.

5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Double Sides Polished (50 Pieces)	View
5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Single Side Polished (50 Pieces)	View
5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-100), Double Sides Polished (50 Pieces)	View
5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-100), Single Side Polished (50 Pieces)	View
5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-102), Double Sides Polished (50 Pieces)	View
5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-102), Single Side Polished (50 Pieces)	View
5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (11-20), Double Sides Polished (50 Pieces)	View
5 mm x 5 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (11-20), Single Side Polished (50 Pieces)	View
10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Double Sides Polished (20 Pieces)	View
10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Single Side Polished (20 Pieces)	View
10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-100), Double Sides Polished (20 Pieces)	View
10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-100), Single Side Polished (20 Pieces)	View
10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-102), Double Sides Polished (20 Pieces)	View
10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (1-102), Single Side Polished (20 Pieces)	View
10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (11-20), Double Sides Polished (20 Pieces)	View
10 mm x 10 mm x 0.5 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (11-20), Single Side Polished (20 Pieces)	View
Diameter 50.8 mm x 0.43 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Double Sides Polished (25 Pieces)	View
Diameter 50.8 mm x 0.43 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Single Side Polished (25 Pieces)	View
Diameter 100 mm x 0.65 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Double Sides Polished (25 Pieces)	View
Diameter 100 mm x 0.65 mm Sapphire (Al2O3) Single Crystal Substrates, Orientation: (0001), Single Side Polished (25 Pieces)	View

Other Crystal Wafer and Substrate Materials

Al2O3 Substrate

Al2O3 Substrate (Sapphire)

Features

Applications

Processing Capability

Specification and Properties of Al2O3 Substrates

Available Al2O3 Substrate Items

Other Crystal Wafer and Substrate Materials

BaF2 Substrate

CaF2 Substrate

DyScO3 Substrate

GdScO3 Substrate

GGG Substrate

GSGG Substrate

KBr Substrate

KCl Substrate

Request A Quote For Al2O3 Substrate