CM4066 Sapphire Disc

Sapphire Disc Descriptions

Sapphire is a transparent single-crystal Aluminium Oxide material that exhibits excellent chemical stability alongside remarkable mechanical, thermal, and optical properties. As a raw material, its performance significantly surpasses that of glass, quartz, and other mass-produced transparent materials.

Sapphire Disc Specifications

Properties of Sapphire Disc

-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 commonly used for precision mechanical components.

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

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

-Excellent light transmittance.

Single-crystal sapphire is employed due to its outstanding mechanical properties and heat resistance in various vacuum devices, reactor windows, scanner windows, and caps for optical communication.

-Good thermal conductivity and high thermal resistance.

Thanks to its excellent thermal conductivity at low temperatures, single-crystal sapphire can be utilized as a transparent material across many applications requiring heat conduction and radiance.

Sapphire Disc Applications

(1) High brightness LED

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

(3) MR sensors, precision resistors

(4) Optical devices

(5) Thin-film HICO

Single-crystal sapphire is frequently used as a substrate material for blue, green, ultraviolet, and white LEDs. It has superior properties as a base substrate for GaN deposition and demonstrates high mass-production capability. Moreover, it can meet the growing demand for larger dimensions in the future.

Single-crystal sapphire is used as the base substrate for thin-film deposition due to its lattice alignment with various semiconductor materials and its remarkable thermal and chemical stability.

Sapphire Disc Packaging

SAM's Sapphire Discs are carefully handled to minimize damage during storage and transport while maintaining the quality of our products in their original condition.

Sapphire Disc FAQs

Q1: What is a sapphire disc?

A sapphire disc is a flat, round piece made from synthetic sapphire (Aluminium Oxide, Al₂O₃). Sapphire discs are valued for their exceptional hardness, optical clarity, thermal stability, and chemical resistance, making them suitable for a range of high-performance applications.

Q2: How should sapphire discs be cleaned and maintained?

Cleaning: Clean them with non-abrasive detergents and soft cloths to avoid scratches. For thorough cleaning, ultrasonic cleaning may be used.

Maintenance: Regularly check for damage or contaminants. Store them in a clean, dry environment to prevent dust and other impurities.

Q3: Are sapphire discs customisable?

Yes, sapphire discs can be customised to meet specific requirements, including various sizes, shapes, and thicknesses. Custom optical coatings and finishes can also be applied to enhance performance for particular applications.