Hunan Meicheng Ceramic Technology Co., Ltd.
Hunan Meicheng Ceramic Technology Co., Ltd.
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Ceramic Electronic Connector with Metallized Layer for Magnetron, 95% Alumina Porcelain with Kovar for Microwave Oven
1. Description:
The magnetron series ceramics are produced by high purity complex alumina and nano metallization. It is suitable for brazing of different materials such as copper, aluminum, kovar and so on.
2. Feature Advantage:
Ceramics are with uniform texture and good batch stability.
The nickel layer is dense, continuous, flat and weldable.
Ceramics are with high flexural strength, high tensile strength and good air tightness.
It can meet the requirement of high frequency, high power and good safety components.
Stable performance at high temperature circumstance.
3. Key Words:
Magnetron, Microwave oven, Microwave generator, Radar microwave generator, magnetron in microwave oven, microwave generator, 95% alumina, dry-processing, white, beige, pink or customized.
4. Parameters:
| Product Parameters | ||
| Physical Property | Material | 95% Alumina |
| Production Process | Dry Pressing + Brazing | |
| Product Dimension | Per customers' drawing | |
| Density (g/cm3) | 3.70-3.75g/cm3 | |
| Water Absorption | 0% | |
| Mechanical Performance | Flexural Strength (Mpa) | 310Mpa |
| Modulus of Elasticity (Gpa) | 310Gpa | |
| Hardness (Gpa) | 12.9Gpa | |
| Poisson Ratio | 0.23 | |
| Thermal Character | Linear Thermal Expansion Coefficient | 7.2 |
| Heat Conductivity (W/mk) | 23 | |
| Electrical Property | Dielectric Constant | 9.2 |
| Dielectric Loss Tangent (x10-4) | 8 | |
| Insulation Strength (x106V/M) | 15 | |
| Metalized Ceramic Performance | Air Tightness (Pa·m3/s) | ≤10-8 |
| Bulk Resistivity (Ω·cm) | ≥1010 (20°C), ≥106 (300°C) | |
| Bonding Strength (Mpa) | ≥120Mpa | |
| Metallization Thickness (μm) | ≥20μm | |
