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Global Ceramic Industry Co.,Ltd
Add:No.200 Dingshan North Road, Dingshu Town, Yixing City, Jiangsu Province
Tel:+86-510-87188030
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E-mail:leo@global-ceramics.com
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Ceramic Ring Used for Night Vision Devices

●Small part-size and large part size capability. ●Perfect metallized-seal strength and hermeticity. ●Consistent performance with all common braze alloys. ●Custom Metallized ceramic in aluminum oxide ceramics prototype to high volume production capacity.
Product Details

Product

Metallized components

Material

96% alumina

Forming method

Dry pressing, Hot pressing, Injection

Color

Pure white

Size capability

Outer diameter and overall length  
The max. OD  can be up to 200mm and max. length can be  up to 250mm;
The min. OD can be low to 1mm

Metallization type

Ceramic body + Mo-Mn metallization + Ni plating

Plating type

Nickel(Ni); Sliver(Ag);Gold(Au);Copper(Cu)

Metallization
processing

Bonding, Brush, Screen printing, Spray, Needle

Surface finish

Glazed

Precision processing

Flat grinding; Cylinderical grinding; CNC machining

Key performance

Leak rate:≤1×10-11 Pa • m3 / s  Volume Resistivity:≥108Ω•cm
Dielectric constant:9 ~ 10(1MHz, 20 °C)    Metal layer tensile strength:≥150MPa Breakdown strength:≥18kV/mm (D • C)     CTE:(6.5 ~ 8.0) × 10-6 / °C

Features

1.Extremely high bond/brazing strengths

2.High mechanical strength

3.Minimum electric resistance and vacuum tightness

4.Excellent insulation  
5.anti-chemical, aging-resistant6.Excellent wear-resisting

Quality inspection

Fully inspection: visual & key dimensions every batch;  
Sampling inspection: regular dimensions and performance parameters

Lead time

Custom made samples: 25~30 business days
Volume production: 15~20 business days

Packing method

Inner package: vacuum packing with ;  
Outer package: Export carton;  
Wooden case will be used if needed

Shipment port

Shenzhen port,  Hongkong port

Application

Widely used as ceramic insulator/component in vacuum interrupters, vacuum capacitors/Thyristors, gas discharge tube, electron tubes, current feedthroughs, X-ray tubes, power switches


●Small part-size and large part size capability.

●Perfect metallized-seal strength and hermeticity.

●Consistent performance with all common braze alloys.

●Custom Metallized ceramic in aluminum oxide ceramics prototype to high volume production capacity.


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