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PBN Crucibles for Precision Application

Pyrolytic Boron Nitride Crucible can withstand high temperatures in a high vacuum environment. It has excellent thermal conductivity, corrosion resistance, and electrical resistance.

CY2404 Sapphire Crystal Substrate, Al2O3

Catalog No. CY2404
Size Dia.1’’x 0.5mm; Dia.2’ x 1mm; 10 x10 x0.5mm; 5×5×0.5mm
Purity ≥99.95%
Thickness 0.5mm; 1mm
Molecular Formula Al2O3
Crystal Class Hexagonal System

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CY2404 Sapphire Crystal Substrate, Al2O3

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Sapphire Crystal Substrate Description

Sapphire crystal substrate has good thermal characteristics, excellent electrical and dielectric properties, and is resistant to chemical corrosion. It is resistant to high temperatures and has good thermal conductivity, high hardness, infrared transmission, and chemical stability. It is widely used in high-temperature resistant infrared window materials, III-V nitrides, and various epitaxial film substrate materials.

Sapphire Crystal Substrate Specifications

Crystal Class	Hexagonal system
Lattice Constants	a=4.785, c=12.991
Density	3.98g/cm3
Melting Point	2040 °C
Hardness	9（mohs）
Elastic Coefficient	C11= 495; C12=160; C33= 497; C44= 146; C13= 115; C14= 23 GPa
Thermal Conductivity	46.06 @ 0?oC, 25.12 @ 100?oC, 12.56 @ 400?oC ( W/(m.K)?)
Thermal?Expansion	7.5 x 10-6 /℃
Standard Orientation	<0001>、<11-20>、<1-102>、<10-10>±0.2?
Standard Size	?5x5mm, 10x10mm, Dia1"(25.4mm), Dia2"(50.8mm) Or customized.
Standard Thickness	0.5mm, 1.0mm, 2.0mm, 5.0mm
Dielectric Constant	~9.4@?300K at A-axis?~11.58@?300K at C-axis
Polishing	Single side polished or Double side polished

Sapphire Crystal Substrate Applications

Sapphire Crystal Substrates are used in the following applications:

- Sapphire substrates: IR Detectors; microwave integrated circuits;
- Aerospace: withstand high heat, windows, countermeasures lamps;
- Medical: surgical systems, contact tips for various surgical laser applications, endoscope lenses;
- Watch industry.