(949) 407-8904 Mon - Fri 08:00 - 17:00 23661 Birtcher Dr., Lake Forest, California, USA
(949) 407-8904 Mon - Fri 08:00 - 17:00 23661 Birtcher Dr., Lake Forest, California, USA

CY2404 Aluminum Oxide Sapphire Crystal Substrates

Catalog No. CY2404
Size Dia.1’’x 0.5mm; Dia.2’ x 1mm; 10 x10 x0.5mm; 5x5x0.5mmf
Purity ≥99.95%
Thickness 0.5mm; 1mm
Molecular Formula Al2O3
Crystal Class Hexagonal System

Aluminum Oxide Sapphire Crystal Substrates of the highest quality are supplied in Stanford Advanced Materials (SAM) . Al2O3 substrate enables the most efficient production at your location. We offer quick turnaround and customized solutions for our customers.


Aluminum Oxide Sapphire Crystal Substrates Description

Aluminum oxide sapphire crystal substrates have good thermal characteristics, excellent electrical and dielectric properties, and are resistant to chemical corrosion. Al2O3 sapphire crystal substrates are also resistant to high temperatures, good thermal conductivity, high hardness, infrared transmission, and chemical stability. They are widely used in high temperature resistant infrared window materials, III-V nitrides and various epitaxial film substrate materials.

Aluminum Oxide Sapphire Crystal Substrates Specification

Crystal Class

Hexagonal system

Lattice Constants

a=4.785, c=12.991



Melting Point

2040 °C



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


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


Single side polished or Double side polished

Aluminum Oxide Sapphire Crystal Substrates Application

Aluminum oxide 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.

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Aluminum Oxide Sapphire Crystal Substrates
Average rating:  
 1 reviews
by Bill Carrillo on Aluminum Oxide Sapphire Crystal Substrates

Product arrived as scheduled in a sturdy plastic bag inside a box. Used it one time and very happy with the result. Will no doubt buy it again.