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Home> Products> Metallized ceramics> Metallized Ceramic Tube> Alumina Metallized Ceramic Tube For Vacuum Breaker
Alumina Metallized Ceramic Tube For Vacuum Breaker
Transportation:Ocean,Land,Air
Port:Shenzhen Port,Hongkong Port
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$5050-99Piece/Pieces
$45100-499Piece/Pieces
$40500-999Piece/Pieces
$30≥1000Piece/Pieces
Product DescriptionProduct AttributesModel No.: Standard or custom-made
Brand: Jinghui ceramics
Types Of: High Frequency Ceramics, Insulating Ceramics
Material: Alumina, Min. 95% Alumina
Coating Type: Nickle Plating
Thickness Of Metallization: 20~40um
Thickness Of Plating: Thin Or Thick Film Avaiable
Color: Pure White
Feature: High Bonding Strength
Metallization Type: Mo/Mn, Or W Optional
Application: Ceramic Housing For Vacuum Electron Tube
Supply Ability & Additional InformationPackaging: Vacumm packaging with export carton
Productivity: 50,000pcs/month
Transportation: Ocean,Land,Air
Place of Origin: China
Supply Ability: 500,000pcs/month
Certificate: RoHS
HS Code: 8547100000
Port: Shenzhen Port,Hongkong Port
Packaging & DeliverySelling Units:Piece/PiecesPackage Type:Vacumm packaging with export cartonDownload
Alumina Metallized Ceramic Tube For Vacuum Breaker
Depositing a metallic coating of Molybdenum-manganese(Mo-Mn), or Tungsten (W) based paints followed by nickel /gold plating, Afterwards, an interface offered that enables ceramic to metal or ceramic to ceramic joining by means of brazing via solder.
In common case, a layer of metallization layer is applied with a typical thickness of 10 to 30 µm after cured. The metallization sintering process is carefully controlled to achieve a balanced mixture of Molybdenum particles surrounded by a matrix of glass to ensure high bond strength between the metallized layer and the ceramic base. In order to increase the wettability at subsequent brazing processing, we make the nickel plating to be 3~10um. We can offer a selection of metallization types as below:
1. Raw ceramic component + Mo/Mn (Molybdenum) metallization 2. Raw ceramic component + Ag (Silver) plating
3. Raw ceramic component + Sn (Tin) plating 4. Raw ceramic component + W (Tungsten) metallization + Au plating
5. Raw ceramic component + Mo/Mn (Molybdenum) metallization + Ni plating
Technical Key Parameters of Metalized Ceramics
Leak Rate
≤1x10-11Pa.m3/s
Metal Layer Tensile Strength
≥150Mpa
Volume Resistivity
≥108Ω•cm
Coefficient of Thermal Expansion
(6.5 ~ 8.0) × 10-6 /°C
Insulation Strength
≥18kV/mm (D•C)
Dielectric Constant
9~10(1MHz, 20°C)
Cosmetic Quality:1. No cracks, no bubbles; 2. Evenly distributed glaze; 3. No contamination
Main Features of Metalized Ceramic Insulators
● High bonding / brazing strength ● Low leakage rate ● High Insulation strength● High mechanical strength ● Low thermal expansion ● Resistant to corrosion free of rust ● Min. electric resistance and vacuum tightness
The application of metalized ceramics
Widely used in vacuum interrupters, Electron tubes,Gas discharge tube, Vacuum capacitor,Vacuum thyristors, Surge arresters, Thyristor housings,Diode housings,Power grid tubes,Traveling wave tubes,Insulator rings and cylinder,X-ray tubes and so on
Related Metallized ceramics
FAQs (Frequently Asked Questions)
Q 1. Is it available to provide customize products?
A: We could support custom-made demand as per different dimensions, design and metallization and plating.
Q 2. When can I get the price?
A: We regularly quote within 24 hours after we get your inquiry.
Q 3. How long does the whole procedure being worked out?A: After you place an order, the manufacturing time is about 25 working days.Q 4. How to ensure the quality?
A: The dimension out of any batch will be carried out sampling inspection per International AQL standard. 100% cosmetic inspection will be done.
Q 5. Do you produce other technical ceramic parts?
A: Yes, we are professional manufacturers for Industrial Ceramic Plate, Ceramic Tubes, Zirconia Ceramic Components besides metalized ceramics.
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