CM4068 Sapphire (Al2O3) Tube

Sapphire Tube Descriptions

Sapphire is a transparent single-crystal aluminium oxide material, known for its excellent chemical stability and superior mechanical, thermal, and optical properties. As a raw material, it performs significantly better than glass, quartz, and other mass-produced transparent materials.

Sapphire Tube Specifications

Sapphire Tube Features

- High strength, high stiffness, high wear resistance, high heat resistance, high corrosion resistance, and high plasma resistance.

Due to these properties, single crystalline sapphire is often used for precision mechanical components.

- Stable dielectric constant, very low dielectric loss, and good electrical insulation.

Single crystalline sapphire is used as a substrate material in the super high-frequency range. It is also utilised as an insulating material and microwave window. Single crystalline sapphire has become indispensable in the electronics industry.

- Excellent light transmission.

Single crystalline sapphire is employed for various vacuum devices, reaction furnace windows, scanner windows, and optical communication caps, owing to its excellent mechanical properties and heat resistance.

- Good thermal conductivity and high heat resistance.

Thanks to its outstanding thermal conductivity at low temperatures, single crystalline sapphire can be used as a transparent material in many sectors requiring heat conduction and radiation.

Applications of Sapphire Tubes

(1) High brightness LEDs

(2) HB-LED semiconductors, piezoelectric semiconductors, superconductors, thin-film substrates.

(3) MR sensors, precision resistors

(4) Optical devices

(5) Thin-film HICO

Single crystalline sapphire is a widely used substrate material for blue, green, ultraviolet, and white LEDs. It possesses excellent properties as a base substrate for GaN deposition and has high mass production capability. Moreover, it can meet future demands for larger dimensions.

Single crystalline sapphire is used as a base substrate for thin film deposition, as its lattice orientation aligns with various semiconductor materials and offers exceptional thermal and chemical stability.

Sapphire Tube Packaging

SAM's Sapphire Tube is carefully handled to minimise damage during storage and transport, ensuring the quality of our products remains in their original condition.

FAQs about Sapphire Tubes

Q1. What is a sapphire tube?

A sapphire tube is a cylindrical component made from synthetic sapphire, recognised for its exceptional mechanical, thermal, and chemical properties. These tubes are utilised in various high-performance applications where durability and reliability are critical.

Q2. Can sapphire tubes be customised?

Yes, sapphire tubes can be custom-made to meet specific requirements, including various diameters, lengths, wall thicknesses, and surface treatments. Customisation may also include features such as flanges, holes, and specific optical coatings.

Q3. What is the difference between sapphire tubes and quartz tubes?

Strength and Hardness: Sapphire is harder and stronger than quartz.

Chemical Resistance: Sapphire offers better resistance to a wider range of chemicals.

Thermal Performance: Both materials exhibit excellent thermal properties, but sapphire withstands higher temperatures and thermal shocks better.

Optical Properties: Sapphire provides superior optical clarity and lower light scattering across a wider wavelength range.