Alumina Ceramic Part of Electronic Components
Application Field
Alumina ceramics parts which are widely using in electronic components with high mechanical property、high hardness、long wearing、 large insulation resistance、good corrosion preventive 、high temperature resistant.
Alumina ceramic capacitors: Alumina ceramics have good dielectric properties and can be used to manufacture ceramic capacitors. These capacitors have good stability and can work in harsh environments such as high temperature, high pressure, and high humidity, making them widely used in various electronic devices.
Alumina ceramic packaging materials: Alumina ceramics have good heat resistance, corrosion resistance, and wear resistance, and are widely used in semiconductor packaging materials. They can effectively protect semiconductor chips from external environmental interference and damage, and improve the stability and reliability of semiconductor devices.
In a word, alumina ceramics parts have a wide range of applications in electronic components and play an important role. With the continuous development of technology, the application of alumina ceramics in electronic components will continue to expand and deepen.
Details
Quantity requirement: 1pc to 1 million pcs. There is no MQQ limited.
Sample lead time: tooling making is 15days+ sample making 15days.
Production lead time: 15 to 45days.
Payment term: negotiated by both parties.
Production process:
Alumina(AL2O3) ceramic is an industrial ceramic which has high hardness, long wearing, and can only be formed by diamond grinding. It is manufactured from bauxite and completed by injection molding, pressing, sintering, grinding, sintering and machining process.
Physical & Chemical Data
| Alumina Ceramic(AL2O3) Character Referance Sheet | |||||
| Decription | unit | Grade A95% | Grade A97% | Grade A99% | Grade A99.7% |
| Density | g/cm3 | 3.6 | 3.72 | 3.85 | 3.85 |
| Flexural | Mpa | 290 | 300 | 350 | 350 |
| Compressive strength | Mpa | 3300 | 3400 | 3600 | 3600 |
| Modulus of elasticity | Gpa | 340 | 350 | 380 | 380 |
| Impact resistance | Mpm1/2 | 3.9 | 4 | 5 | 5 |
| Weibull modulus | M | 10 | 10 | 11 | 11 |
| Vickers hardulus | Hv0.5 | 1800 | 1850 | 1900 | 1900 |
| Thermal Expansion coefficient | 10-6k-1 | 5.0-8.3 | 5.0-8.3 | 5.4-8.3 | 5.4-8.3 |
| Thermal conductivity | W/Mk | 23 | 24 | 27 | 27 |
| Thermal shock Resistance | △T℃ | 250 | 250 | 270 | 270 |
| Max use temperature | ℃ | 1600 | 1600 | 1650 | 1650 |
| Volume resistivity at 20℃ | Ω | ≥1014 | ≥1014 | ≥1014 | ≥1014 |
| Dielectric strength | KV/mm | 20 | 20 | 25 | 25 |
| Dielectric constant | εr | 10 | 10 | 10 | 10 |
Packing
We usually use material such as moisture-proof, shock-proof for the products that will be not damaged. We use PP bag and carton wooden pallets according to customer's requirement. Suitable for sea and air transportation.
