Sapphire

Sapphire belongs to the corundum mineral group, with its main component being aluminum oxide. It exhibits a rich variety of colors due to the presence of trace elements such as iron and titanium, with blue being the most common. However, it also comes in pink, yellow, white, and other colors. In terms of hardness, it ranks just below diamond, offering good wear resistance, along with stable chemical properties that make it resistant to acids and bases, allowing it to maintain its purity and luster over time. Due to its excellent optical performance, high strength, and high hardness, sapphire is used in the manufacture of LED substrates, watch crystals, optical windows, infrared optical components, and protective screens for some high-end electronic products.
Specifications and dimensions: Processing can be customized based on drawings or samples.

Send Inquiry

Main Products

Sapphire Windows

Single-crystal sapphire viewport, high transmittance, hardness, corrosion & wear resistance, ideal for harsh environments.

Single-Crystal Sapphire Viewport

Wafer fabrication, high precision, cleanroom process, advanced node manufacturing.

Vacuum Chamber Window

Monocrystalline sapphire vacuum window, high transmittance, extreme hardness, corrosion resistance, ideal for harsh industrial use.

Precision Ceramic Structural Components

Customizable in oxide/nitride/carbide materials with wear/heat resistance for demanding applications involving friction and corrosion.

High hardness
Chemically stable

Rich colors
Good optical performance
igh strength

Sapphire Properties

Material Matrix			Sapphire
Properties	Item	Unit	TSV-S100A
Physical Property	Content	%	99.99%
	Colour		Transparent
	Density	g/cm³	3.97
Mechanical Behavior	Vickers Hardness	GPa	22.5
	Bending Strength	Mpa	690
	Compressive Strength	Mpa	2930
	Young's Modulus	GPa	470
Thermal Property	Coefficient of Thermal Expansion	10^-6/°C	7.6
	Thermal Conductivity	W/(m.K)	42
	Specific Heat Capacity	J/(g.K)	0.76
Electrical Property	Dielectric Strength	kv/mm	48
	Dielectric Constant (1MHz)	-	9.9
	Dielectric Losses (1MHz)	(X10^-4)	<1
	Volume Resistivity 20℃	Ω.cm	>10¹⁴

* The listed property values are average results obtained from test samples and are not guaranteed. Please be aware that these values may vary for specific production batches.

Sapphire Applications in Various Industries

Semiconductors & Electronics: Serves as a key substrate material for LEDs and power semiconductor devices, and provides plasma-resistant components for semiconductor equipment.
Medical Devices: Used to manufacture insulating tubes, windows, and bearings for minimally invasive surgical instruments, as well as viewing windows for implantable devices, meeting requirements for biocompatibility and resistance to sterilization.
Flat-Panel Displays: Functions as the core substrate for Micro-LED chip manufacturing, representing a fundamental material for next-generation display technology.
Industrial Machinery: Employed in producing bearings, guide rods for high-precision measuring instruments, and observation windows for harsh environments, offering excellent wear and corrosion resistance.
Energy & Power: Acts as optical windows and heat dissipation substrates for high-power lasers, capable of withstanding high energy densities while maintaining optical transmission and thermal conductivity.