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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.

AC3225 Polished Alumina Substrate, Al2O3

Catalog No. AC3225
Material Al2O3
Purity 96%, 99.5%
Thickness 3.7g/cm3, 3.9g/cm3

Datasheet

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AC3225 Polished Alumina Substrate, Al2O3

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Polished Alumina Substrate Description

Polished Alumina Substrate features dimensional stability at high temperatures for multilayer thin-film technology. It mitigates the electrical disconnection in thin-film printed circuits and withstands the extreme natural condition of some sample solutions and variances in temperature.

Polished Alumina Substrate Specifications

Product No.	A476T	A479	A479H
Content %	96	99.5	99.5
Color	White	Ivory	Ivory
Density (g/cm³)	3.7	3.9	3.9
Size	Max. 120mm x 120mm SQ Thickness: 0.25, 0.38, .0635mm
Thickness Tolerance	±0.02mm (＜3 square inches) ±0.05mm (≥3 square inches)
Substrate Thickness (mm)	0.05-2.7	0.05-0.7	0.05-0.7
Flatness (mm)	0.05-0.6	0.05-0.4	0.05-0.4
Surface Roughness (Mirror Polish) (mm)	＜Ra0.05	＜Ra0.02	＜Ra0.01
Vickers Hardness HV9.807N (Gpa)	13.7	15.7	15.7
Flexural Strength (Mpa)	350	370	370
Young's Modulus of Elasticity	320	370	370
Thermal Conductivity (20℃)	24	32	32
Specific Heat Capacity (J/g·K)	0.78
Dielectric Strength (kV/mm)	15

Polished Alumina Substrate Applications

To hold samples for spectroscopic measurement.

Packaging

Our Polished Alumina Substrate is carefully handled during storage and transportation to preserve the quality of our product in its original condition.