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MgO Substrate

Advantage：

1.Very small dielectric constant

2.Loss in the microwave band

3.Available for large size

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MgO single substrate can be used to create a mobile communications equipment required for high-temperature superconducting microwave filters and other devices.

We used a chemical mechanical polishing which may be prepared for a high-quality atomic level the surface of the product, Largest size 2”x 2”x0.5mm substrate available.

Properties:

Growth Method

Special Arc Melting

Crystal Structure

Cubic

Crystallographic Lattice Constant

a=4.216Å

Density（g/cm³）

3.58

Melting Point（℃）

2852

Crystal Purity

99.95%

Dielectric Constant

9.8

Thermal Expansion

12.8ppm/℃

Cleavage Plane

<100>

Optical Transmission

>90%（200~400nm）,>98%（500~1000nm）

Crystal Prefection

No visible inclusions and micro cracking, X-Ray rocking curve available

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Growth Method	Special Arc Melting
Crystal Structure	Cubic
Crystallographic Lattice Constant	a=4.216Å
Density（g/cm³）	3.58
Melting Point（℃）	2852
Crystal Purity	99.95%
Dielectric Constant	9.8
Thermal Expansion	12.8ppm/℃
Cleavage Plane	<100>
Optical Transmission	>90%（200~400nm）,>98%（500~1000nm）
Crystal Prefection	No visible inclusions and micro cracking, X-Ray rocking curve available