Aluminum Oxide

Aluminum Oxide Sputtering Target is a high-purity, solid target material primarily composed of aluminum oxide, commonly used in thin-film deposition processes such as sputtering and pulsed laser deposition. Aluminum oxide targets are essential in industries requiring highly durable, insulating, and wear-resistant coatings, particularly in electronics, optics, and high-temperature applications.

VIMATERIAL offers high-quality alumina sputtering targets with high purity and customizable sizes. Contact us for a quote.

Properties of aluminum oxide sputtering target

Dense and Uniform Structure: High-density, uniform targets are essential for consistent film deposition and are designed to minimize flaws and ensure homogeneity during the deposition process.

High Melting Point: Aluminum oxide has a melting point of about 2072°C (3762°F), making it suitable for high-temperature applications and for use as a thermal barrier.

Hardness and Durability: Al₂O₃ ranks high on the Mohs hardness scale, which allows the target to endure prolonged use in sputtering equipment without significant wear.

Excellent Insulator: Aluminum oxide is an excellent electrical insulator, a valuable property for creating insulating layers in electronic components.

Thermal Stability: Due to its thermal stability, Al₂O₃ can withstand extreme temperatures without breaking down, making it ideal for protective coatings and high-temperature components.

Chemical Inertness: Al₂O₃ is highly resistant to corrosion and chemical attack, which means it can withstand exposure to harsh environments without degrading. This inertness is beneficial in applications requiring stable coatings that won’t react with other materials.

Applications of aluminum oxide sputtering target

Electronics and Semiconductors: Alumina sputtering targets are commonly used to deposit thin, insulating layers in electronic devices, such as dielectric layers in capacitors and protective coatings in microelectronic circuits.

Optics: Aluminum oxide coatings are used in optical applications for anti-reflective coatings, durable lenses, and display screens due to their transparency and resistance to scratching.

Aerospace and Automotive: As a high-temperature insulator and corrosion-resistant coating, Al₂O₃ is applied to protect critical components from wear and extreme conditions.

Protective Coatings: The hardness and chemical inertness of aluminum oxide make it suitable for wear-resistant coatings on tools, cutting instruments, and various industrial equipment.

Packaging and Storage

Alumina targets are typically packaged using shockproof and moisture-resistant methods. They are first sealed in clean plastic film or vacuum bags, then secured with custom foam or cushioning materials, and finally placed in sturdy cardboard or wooden boxes to prevent damage, contamination, or moisture during handling and transportation.

Alumina targets should be stored in a clean, dry, and temperature-stable environment, away from humidity, high temperatures, and sudden temperature changes. They should also be kept away from corrosive gases and chemicals, and unused targets should remain in their original sealed packaging to protect the surface and maintain performance.