Sapphire Wafer C Plane (2 inch, Al2O3)

Sapphire Wafer C Plane

Introduction:

sapphire wafer C plane are substrates made from single-crystal aluminum oxide (Al₂O₃) with a crystallographic orientation known as the C-plane (0001). These wafers are 2 inches in diameter and are widely used in various advanced technological applications due to their unique optical, mechanical, and thermal properties.

Properties

Optical Clarity: C-plane sapphire wafers are transparent in a wide range of wavelengths, making them ideal for optical applications.

High Hardness: Sapphire is one of the hardest materials available, providing excellent scratch and abrasion resistance.

Thermal Stability: They can withstand high temperatures without significant degradation, making them suitable for high-temperature applications.

Chemical Resistance: C-plane sapphire is chemically inert, resisting corrosion from harsh chemicals and environments.

Applications

LED Manufacturing:

C-plane sapphire wafers are commonly used as substrates for growing gallium nitride (GaN) layers, which are critical for the production of blue and white light-emitting diodes (LEDs). Their thermal properties help manage heat dissipation in LED devices.

Optical Components:

Used in lenses, windows, and other optical elements where high transparency and durability are required, such as in cameras and laser systems.

Semiconductor Devices:

Employed as substrates for various semiconductor applications, including high-frequency and high-power devices, benefiting from their thermal management capabilities.

Surface Acoustic Wave (SAW) Devices:

Used in SAW devices for telecommunications and signal processing, where their unique acoustic properties are advantageous.

Biomedical Applications:

C-plane sapphire wafers can be used in certain biomedical devices due to their biocompatibility and resistance to biological degradation.

Watch Crystals:

Frequently used in luxury watches and timepieces due to their excellent scratch resistance and optical clarity.