AL10292 Sapphire Wafer Al2O3 A plane (11-20) Dia. 1 inch x 0.5 mm

Sapphire Wafer Al2O3 A plane (11-20) Dia. 1 inch x 0.5 mm Description

The product is a wafer made from aluminium oxide (Al2O3) with an A plane (11-20) orientation, offering defined crystallographic properties. Its 1-inch diameter and 0.5 mm thickness ensure compatibility with standard processing equipment. The chemical inertness and high thermal stability of Al2O3 make the wafer suitable for high-temperature and optical device applications. Measurements are confirmed by precise metrology techniques to maintain dimensional and structural accuracy.

Sapphire Wafer Al2O3 A plane (11-20) Dia. 1 inch x 0.5 mm Applications

Electronics
- Used as a substrate in semiconductor processing to achieve stable thermal management due to high thermal conductivity.
- Applied as a carrier for thin-film deposition in sensor manufacturing to maintain surface integrity due to low defect density.

Industrial
- Used as a window in laser systems to achieve efficient light transmission due to excellent optical clarity.
- Applied as a substrate in microfabrication devices to ensure dimensional consistency through controlled A-plane orientation.

Sapphire Wafer Al2O3 A plane (11-20) Dia. 1 inch x 0.5 mm Packing

The wafer is packaged in cushioned, antistatic materials and secured within a foam-lined container to mitigate mechanical shock and contamination. It is stored under controlled temperature and low humidity to preserve its structural properties. The packaging includes anti-dust measures and allows for customised labelling and compartmentalisation to meet specific storage requirements.

Frequently Asked Questions

Q1: How are the dimensional tolerances verified for the wafer?
A1: Dimensions are verified using optical interferometry, ensuring that the wafer meets strict tolerances for semiconductor processing and research applications.

Q2: What methods are used to assess the surface quality of the wafer?
A2: Surface quality is evaluated by atomic force microscopy (AFM), which checks for uniformity and identifies any surface defects that could affect device performance.

Q3: What handling precautions should be observed during wafer processing?
A3: It is recommended to use powder-free gloves and antistatic tools and to store the wafer in a temperature- and humidity-controlled environment to prevent contamination and mechanical damage.

Additional Information

Sapphire wafers, composed of Al2O3, are widely used as substrates in various research and industrial applications. Their inherent optical transparency, thermal stability, and chemical inertness make them suitable for high-temperature and optical systems. These properties are critical for maintaining device performance in semiconductor and photonic applications.

The study of sapphire substrates extends into areas of crystal growth and defect engineering. The controlled crystallographic orientation ensures predictable behaviour under temperature variations, which is essential for advanced material applications. This broader context underscores their importance in both experimental research and industrial-scale manufacturing.