Standard Size Alumina Substrates Overview
This product is a representative alumina ceramic substrate. It comes in standard sizes and shapes and is compatible with a wide range. Relevant dimensions are shown below.
The feature of the product is as following :
1. Ceramic substrates size:L114*W114mm, thickness can be different.
2. Substrate roughness: Ra< 0.5um, camber: < 0.20mm.
3. Material is 96% alumina
4. Appearance requires smooth surface, no cracks, etc.
Alumina substrates are widely used ceramic materials for electronic, electrical, and thermal management applications. Due to their excellent electrical insulation, mechanical strength, thermal stability, and cost effectiveness, alumina ceramic substrates have become one of the most commonly used materials in the electronics industry.
Standard size alumina substrates refer to alumina ceramic plates manufactured in commonly used dimensions and thicknesses for industrial processing and electronic packaging. Compared with fully customized ceramic parts, standard size substrates offer shorter lead times, lower production costs, and easier integration into mass production processes.
Key Features of Alumina Ceramic Substrates
Higher purity generally provides improved electrical and thermal performance. Typical alumina ceramic substrate have following advantages:
Alumina ceramic substrates provide high dielectric strength and stable insulation performance for electronic circuits.
Alumina ceramics offer good wear resistance and structural stability under demanding conditions.
The material maintains reliable performance under elevated temperatures and thermal cycling conditions.
Compared with advanced ceramics such as AlN or Si₃N₄, alumina substrates provide an economical solution for many electronic applications.
Surface Finishing and Processing Options
We provide various secondary processing services for alumina substrates, including:
- Laser cutting
- Laser scribing
- CNC machining
- Metallization
- Polishing
- Hole drilling
Why Choose Standard Size Alumina Substrates
Standard size alumina substrates help reduce manufacturing costs and improve production efficiency by using commonly available dimensions.
For many electronic applications, standard substrates also simplify inventory management and shorten development cycles.
Quality Control
Strict quality control is essential to ensure substrate flatness, dimensional consistency, and surface quality.
Inspection methods may include:
- Dimensional inspection
- Surface defect inspection
- Flatness measurement
- Material property verification
Looking for reliable standard size alumina ceramic substrates for your electronic applications?
Contact us for material selection, custom machining, and technical support.
Standard size alumina substrates offer lower manufacturing cost, shorter lead time, and easier integration into mass production processes. They are especially suitable for applications requiring stable supply and consistent dimensions.
Higher purity alumina substrates generally provide better electrical insulation, thermal stability, and corrosion resistance. However, higher purity materials are usually more expensive and may not be necessary for all applications.
Yes. Although standard sizes are commonly stocked for faster delivery, additional machining such as cutting, drilling, metallization, and polishing can be customized according to application requirements.
Alumina ceramic substrates are widely used in electronics, LED packaging, automotive electronics, sensors, power modules, and hybrid circuits because of their balanced electrical, thermal, and mechanical properties.