MG2274 Magnesium Oxide Wafers Substrates

Catalog No.	MG2274
Material	MgO
Clear Aperture	>95 %
Thickness/Diameter Tolerance	±0.05 mm
Growth Method	Special Arc Melting

At SAM, we offer Magnesium Oxide Wafer Substrates ranging from 2" to 12" in diameter. We meticulously select prime-grade, defect-free wafers to serve as the base for cultivating a highly uniform thermal oxide layer, tailored to meet your precise specifications.

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MG2274 Magnesium Oxide Wafers Substrates

Description

Specification

Technical Data Sheet

Magnesium Oxide Wafers Substrates Description

MgO wafers can be fabricated in round or square shapes, with a SEMI flat or without flat, one side polished or two sides polished, size from 2" to 12", thickness range from 0.4, 0.5, 1 to 2 mm, surfaces are epi polished with low surface roughness. We have twin-free and defect-free MgO substrate with various orientations <100>, <110>, and <111>, and high precision surface finish, please contact us for more product information.

magnesium-oxide-wafers-substrates

Magnesium Oxide Wafers Substrates Specification

Materials	MgO
Orientation	<100> / <111> / <110> or others
Parallel	10"
Perpendicular	5'
Surface quality	10/5
Wavefront Distortion	λ/4@632 nm
Surface flatness	λ/8@632 nm
Clear Aperture	>95 %
Chamfer	<0.1×45°
Thickness/Diameter Tolerance	±0.05 mm
Maximum dimensions	dia 50×100 mm

Magnesium Oxide Wafers Substrates Application

Semiconductor Applications:

Magnesium Oxide as a Substrate for Thin Film Deposition: MgO wafers are frequently used as substrates for the deposition of thin films, such as metal oxide thin films or epitaxial films. They provide excellent support for various semiconductor devices, particularly in the field of optoelectronics and photonics.
MgO Substrate for High-Temperature Devices: Due to its high thermal stability and resistance to high temperatures, MgO is widely used as a substrate in devices that operate in high-temperature environments, such as power electronics, sensors, and high-voltage devices.
MgO for Advanced Semiconductor Materials: MgO is used in the growth of advanced semiconductor materials like gallium nitride (GaN) and aluminum nitride (AlN) for applications in high-frequency and high-power electronic devices.

Optoelectronic Devices:

Magnesium Oxide for Photodetectors: MgO substrates are used in the fabrication of photodetectors and optoelectronic devices. Their excellent electrical insulation and transparency to various wavelengths make them an ideal choice for light-sensitive components.
MgO in Light Emitting Diodes (LEDs): Magnesium Oxide substrates are utilized in the manufacture of LEDs, especially for devices requiring high thermal conductivity and low thermal expansion coefficients.

Thermal Management in Electronics:

Thermal Conductivity for Power Devices: MgO wafers are used in power electronics for thermal management. Due to MgO’s high thermal conductivity, it efficiently dissipates heat generated by high-power devices like semiconductors, capacitors, and transistors.
Insulating Substrates for Heat-sensitive Electronics: Magnesium Oxide provides electrical insulation while simultaneously offering thermal management, making it an ideal material for devices that are sensitive to temperature variations.

Microelectronics and MEMS (Micro-Electro-Mechanical Systems):

MgO Substrates for MEMS Devices: Magnesium Oxide wafers are used in the development of MEMS devices, such as accelerometers, gyroscopes, and sensors. MgO’s stability under high temperatures and mechanical stresses makes it an ideal candidate for the MEMS industry.
MgO for Precision Components: The high structural stability and precision of MgO make it perfect for producing microelectronic components that require accurate, reliable performance under stress.

High-Temperature Coatings and Ceramics:

Thermal Barrier Coatings (TBC): Magnesium Oxide is often used as a material in thermal barrier coatings, especially for applications involving gas turbines or rocket engines. Its ability to withstand extreme temperatures makes it suitable for these highly demanding environments.
MgO as a High-Temperature Insulator: Due to its excellent insulating properties, MgO wafers are used as insulators in high-temperature furnaces, kilns, and reactors.

Dielectric Materials for Capacitors:

MgO as Dielectric in Capacitors: Magnesium Oxide is also used as a dielectric material in capacitors due to its high dielectric strength and thermal stability. MgO substrates help to reduce energy loss in high-frequency applications, improving the efficiency of capacitors.

Research and Development:

Magnesium Oxide for Crystal Growth Research: MgO substrates are widely used in research and development to study the growth of different semiconductor crystals, including oxide semiconductors and superconductors.
Materials Science and Nanotechnology: MgO wafers are also used in various fields of material science research, particularly in the development of nanomaterials and nanostructures.

Industrial Coatings and Wear-Resistant Materials:

MgO Coatings for Industrial Equipment: Magnesium Oxide is utilized as a wear-resistant coating for industrial machinery and equipment, thanks to its hardness and resistance to abrasion and corrosion. This extends the life of critical parts in industries like aerospace, automotive, and manufacturing.

Magnesium Oxide Wafer Substrates Packing

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

FAQs

1 How does Magnesium Oxide (MgO) perform in optoelectronics?
Magnesium Oxide is an ideal material for optoelectronic devices such as photodetectors, LEDs, and laser diodes. It offers high insulation, transparency to certain wavelengths, and thermal management capabilities, making it a key component in modern light-sensitive electronic devices.

2 Can Magnesium Oxide (MgO) wafers be customized for specific applications?
Yes, Magnesium Oxide wafers can be customized in terms of size, thickness, and surface finish to meet the specific needs of various applications. Manufacturers offer a range of customization options, including wafer orientation and coating, depending on the requirements of the device or system being developed.

3 What are the benefits of using Magnesium Oxide (MgO) in thermal management applications?
Magnesium Oxide has exceptional thermal conductivity, allowing it to effectively dissipate heat in power electronics, LEDs, and other high-temperature applications. MgO wafers help prevent thermal damage to sensitive components and improve the overall efficiency of electronic devices.