CM4067 Sapphire Rod

Sapphire Rod Descriptions

Sapphire is a transparent single-crystal aluminium oxide material that offers excellent chemical stability and outstanding mechanical, thermal, and optical properties. Its performance as a raw material significantly surpasses that of glass, quartz, and other bulk transparent materials.

Sapphire Rod Specifications

Sapphire Rod Properties

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

Due to these properties, single crystal sapphire is frequently used for precision mechanical components.

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

Single crystal sapphire is employed as a substrate material in the super high frequency range. It is also used as an insulating material and microwave window. Single crystal sapphire has become essential in the electronics industry.

-Excellent light transmission.

Single crystal sapphire is used for various types of vacuum devices, reaction furnace windows, scanner windows, and covers for optical communication due to its outstanding mechanical properties and heat resistance.

-Good thermal conductivity and high heat resistance.

Thanks to its superior thermal conductivity at low temperatures, single crystal sapphire can be utilized as a transparent material in various fields where heat conduction and radiative heat transfer are required.

Applications for Sapphire Bars

(1) High brightness LEDs

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

(3) MR sensors, precision resistors

(4) Optical devices

(5) Thin-layer HICO

Single crystal sapphire is a widely used substrate material for blue, green, ultraviolet, and white LEDs. It provides excellent characteristics as a base substrate for GaN deposition and offers high mass production capability. Furthermore, it can meet future demands for larger dimensions.

Single crystal sapphire serves as the base substrate for thin film deposition, as its lattice orientation aligns with various semiconductor materials and it possesses excellent thermal and chemical stability.

Sapphire Rod Packaging

SAM Sapphire Bars are carefully handled to minimize damage during storage and transportation, ensuring that the quality of our products is maintained in their original state.

FAQs about Sapphire Bars

Q1. What is a sapphire bar?

A sapphire bar is a cylindrical piece of synthetic sapphire valued for its exceptional hardness, optical clarity, and resistance to high temperatures and chemicals. Sapphire bars are employed in various high-precision and durable applications.

Q2. How are sapphire bars manufactured?

Sapphire bars are typically produced via:

Kyropoulos method: This generates large, high-quality sapphire crystals that can be processed into bars.

Czochralski method: Here, a sapphire crystal is pulled from a molten aluminium oxide bath and subsequently processed into bars.

Precision machining: The sapphire crystal is ground and polished to achieve the desired dimensions and surface quality.

Q3. Can sapphire bars be customised?

Yes, sapphire bars can be customised to specific requirements, including various diameters, lengths, and surface finishes. Customisation may also encompass features such as drill holes, notches, and special optical coatings.