Beryllium Oxide Ceramic Crucibles Description
Beryllium oxide ceramic crucibles are made of high purity beryllium oxide ceramics. Beryllium oxide, or beryllia, is the best ceramic thermal conductor and competes with the most conductive metals, and its electrical isolation is equivalent to that of alumina and the best electrical insulators. BeO crucibles possess a unique combination of thermal, dielectric, and mechanical properties, and they are highly desirable in electronic applications.
Beryllium Oxide Ceramic Crucibles Specifications
Testing Entries |
Testing Conditions |
Properties |
Flexural Strength |
/ |
≥170MPa |
Thermal Conductivity |
25℃ |
≥250W/m·k |
100℃ |
≥190W/m·k |
Permittivity |
1MHz 20℃ |
6.5-7.5 |
10GHz 20℃ |
6.5-7.5 |
Volume Resistivity |
25℃ |
≥10^14Ω·cm |
300℃ |
≥10^11Ω·cm |
Beryllium Oxide Ceramic Crucibles Applications
Beryllium oxide ceramic is the ideal material used in many high-performance semiconductor parts for applications such as radio equipment. Beryllium oxide ceramic crucibles are used as a filler in some thermal interface materials such as thermal grease. Some power semiconductor devices have used beryllium oxide ceramic between the silicon chip and the metal mounting base of the package in order to achieve a lower value of thermal resistance than for a similar construction made with alumina. It is also used as a structural ceramic for high-performance microwave devices, vacuum tubes, magnetrons, and gas lasers.
Beryllium Oxide Ceramic Crucibles Packaging
Our Beryllium Oxide Ceramic Crucibles are carefully handled to prevent damage during storage and transportation and to preserve the quality of our products in their original condition.
Beryllium Oxide Ceramic Crucibles FAQs
- What are the alternatives to Beryllium Oxide Ceramic Crucibles?
Alumina Crucibles are a common alternative to beryllium oxide crucibles. While alumina crucibles may not offer the same level of thermal conductivity as beryllium oxide, they are generally considered safer to handle and may be more cost-effective.
- What is the difference between Beryllium Oxide Crucible and Alumina Crucible?
Beryllium Oxide Crucible has exceptionally high thermal conductivity compared to alumina. Both beryllium oxide and alumina crucibles offer excellent chemical resistance to many corrosive substances at high temperatures.
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