alumina ceramic substrate
USD $0.01 - $0.01 /Piece
Min.Order:100 Pieces
Changsha Ultronic Ceramic Technology Co., Limited
alumina ceramic substrate
Features:
High mechanical strength High dielectric strength
Low loss in high frequency Low gas leakage coefficient
High voltage resistance High precise dimension
Materials Performance
| Item |
Unit | Performance | ||||||
Alumina ceramic |
steatite ceramic | ||||||||
90% | 92% | 95% | 96% | ||||||
Ceramic Body
| Appearance | Color | - | white,ivory white,brown,black | White off-white | ||||
Mechanical Characters |
Bulk Density | g/cm3 | ≥3.6 | ≥3.65 | ≥3.7 | ≥3..75 | 2.7 | ||
Water Absorption | % | 0 | 0 | ||||||
Flexural strength | MPa | 280 | 300 | 310 | 320 | 150 | |||
(HV) Hardness | GPa | 12 | 5.8 | ||||||
Thermal Characters |
Coefficient of linear thermal expansion | 20℃~800℃ ×10-6mm/℃ | 6.3~7.3 | 6.4~7.4 | 6.5~7.5 | 6.8~7.8 | 8.0 | ||
|
Thermal Conductivity | W/(m.K) | 12 | 16 | 20 | 23 | 2 | ||
Electrical Characters |
Dielectric constant(1MHz) | — | 9~10 | 9~10 | 9~10 | 10 | 7.5 | ||
Dielectric loss angle | ×10-4 | ≤6 | ≤5 | ≤4 | ≤3 | 8 | |||
Dielectric Strength | KV/mm | 15 | 20 | 24 | 28 | 18 | |||
Metalized Ceramics |
Gas leakage coefficient | Pa.m3/s | ≤10-8 | - | |||||
Volume resistivity | Ω.cm | ≥1015 | - | ||||||
Combined strength | MPa | ≥120 | - | ||||||
Thickness of Metal | μm | ≥20 | - |
Company Profile
Changsha Ultronic Ceramic Technology Co., Ltd. is located in Changsha City, the capital of Hunan
Province. Since its establishment in September 2010, Ultronic has been devoted to manufacturing
alumina ceramics and steatite ceramics for electric components and industrial ceramics. Now, we
have the forming technologies of hot pressing, dry pressing, injection molding,tape casting, and
isostatic pressing. We also have the special process of surface metallization, glazing, and polishing. Our main products include ceramic thermostat housing, ceramic rod, metalized ceramic GDT tube,
faucet cartridge ceramic disc, ceramic insulating plate and so on. And we supply to leading
companies in respective business,such as and so on.