AL10291 Sapphire Wafer Al2O3 A plane (11-20) Dia. 3 inch x 0.5 mm

Sapphire Wafer Al2O3 A plane (11-20) Dia. 3 inch x 0.5 mm Description

The wafer is manufactured from high-purity Al2O3 (corundum) and features an A plane (11-20) crystallographic orientation. Its 3-inch diameter and 0.5 mm thickness are optimised for compatibility with standard semiconductor processing equipment. The precise alignment and smooth surface finish reduce defect density, improving process reliability in photolithography and etching operations. These attributes ensure accurate pattern transfer and dimensional control in advanced device manufacturing.

Sapphire Wafer Al2O3 A plane (11-20) Dia. 3 inch x 0.5 mm Applications

Electronics
- Used as a dielectric substrate in RF circuits to maintain stable signal integrity by leveraging precise surface flatness and consistent crystallographic orientation.

Semiconductor Manufacturing
- Used as a carrier substrate in photolithography systems to achieve accurate pattern transfer by exploiting controlled thickness and minimal defect density.

Sapphire Wafer Al2O3 A plane (11-20) Dia. 3 inch x 0.5 mm Packing

The wafer is packaged in an anti-static envelope housed within a rigid, shock-absorbing container. Foam inserts minimise mechanical impact and contamination. The packaging supports storage in a cool, dry environment to preserve surface integrity. Custom packaging options, including specialised labelling and compartmentalisation, are available to meet specific handling and shipping requirements.

Frequently Asked Questions

Q1: How does the (11-20) A plane orientation impact the wafer's performance?
A1: The (11-20) orientation provides uniform surface characteristics, essential for reducing process variability in etching and deposition steps during device fabrication.

Q2: What quality control measures are applied during fabrication?
A2: The wafer undergoes standardised polishing with interferometric inspections and scanning electron microscopy to monitor surface flatness and defect density, ensuring adherence to strict dimensional tolerances.

Q3: How should the wafer be stored to maintain its specified properties?
A3: It should be kept in an environment with controlled temperature and low humidity, within anti-static, contamination-free packaging to preserve the surface integrity and crystallographic quality.

Additional Information

Sapphire substrates, composed of high-purity Al2O3, are widely utilised in semiconductor and optical applications due to their defined crystallographic orientation and high hardness. Their ability to withstand high processing temperatures and mechanical stresses makes them critical in advanced device fabrication.

In-depth studies of sapphire wafers provide insights into their behaviour under thermal and mechanical loads. Continuous improvements in production processes and quality control techniques contribute to enhanced performance in high-precision applications, thereby advancing material science and manufacturing technologies.