Precision Ceramic Metallization Housings for Relays
Custom Precision Ceramic Metallization Housings for Relays Brazing Use
Material: 96.0% alumina or 99.5% alumina with metalization treatment and nickel coating
– Either CIP or dry press formed bodies with secondary fine-machining
– High precision and good bonding strength for brazing
– Easily brazing with kovar and copper components directly
– Outstanding hermetic sealing with hydrogen gas filling after brazing
– Good insulation, anti-magnetic, static electricity-free character
– Excellent magnetic quenching capability for high votage and large current
– Excellent thermal shock resistance and good thermal stability
– Complying with CE, CQC, ROHS and REACH regulations
– Reliable quality, Non-toxic, healthy material, Eco friendly
– Professional R&D team is available for your requests of various metalized ceramic housings
Material: 96.0% alumina or 99.5% alumina with metalization treatment and nickel coating
– Either CIP or dry press formed bodies with secondary fine-machining
– High precision and good bonding strength for brazing
– Easily brazing with kovar and copper components directly
– Outstanding hermetic sealing with hydrogen gas filling after brazing
– Good insulation, anti-magnetic, static electricity-free character
– Excellent magnetic quenching capability for high votage and large current
– Excellent thermal shock resistance and good thermal stability
– Complying with CE, CQC, ROHS and REACH regulations
– Reliable quality, Non-toxic, healthy material, Eco friendly
– Professional R&D team is available for your requests of various metalized ceramic housings
Alumina ceramics features:
1).Excellent electrical insulation
2).High hardness
3).Relatively low strength and fracture toughness
4).Resistance to wear and corrosive
5).Excellent thermal stability
6).Resistance to high temperatures
7).High electrical resistivity
8).Good chemical stability and resistance
9).High corrosion resistance
10).Excellent thermal shock resistance
11).High thermal insulation
12).A Low Young’s modulus
1).Excellent electrical insulation
2).High hardness
3).Relatively low strength and fracture toughness
4).Resistance to wear and corrosive
5).Excellent thermal stability
6).Resistance to high temperatures
7).High electrical resistivity
8).Good chemical stability and resistance
9).High corrosion resistance
10).Excellent thermal shock resistance
11).High thermal insulation
12).A Low Young’s modulus
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Product Name
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Precision Ceramic Metallization Housings for Relays
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Compositions
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96.0% alumina or 99.5% high purity alumina (Al2O3)
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Metalization
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Sintered with Molybdenum & Manganese (Mo+Mn), then Nickel plating
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Mo+Mn Layer
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25 +/-10μm in thickness
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Nickel Layer
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2 -10μm in thickness
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Helium Leak Testing
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1×10-12 Pa·m3/s
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Tensile Strength
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≥800Kg/cm2
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Material Density
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3.68 – 3.90 g/cm3
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Tolerance
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+/- 0.005mm
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Finishing
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Ra 0.02
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Max. Using Temperature
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1650 oC
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Using Fields
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DC Relayer, Fuel Cell Units, New Energy Vehicles, Charging Piles, DC Railway, Electric Forklifts, Electrical Appliance, Electric
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