Material: 96% Aluminium oxide and 4% flux and additives
Thickness: 0.25 - 1.2 mm
Size (max): 138*188 mm
Thickness tolerances: ±7% (Min:0.05mm)
Shanghai Metal Corporation is a aluminium oxide ceramic substrate manufacturer and supplier.
Our company has a high-quality R&D team, beautiful factory environment, modern factory buildings, professional production equipment and advanced testing instruments. It adopts internationally leading technology to produce aluminium oxide ceramic substrates. The products have excellent porcelain quality, good surface roughness, good flatness of large pieces, high precision of laser processing dimensions, good breaking performance, as well as good thermal conductivity, low dielectric constant and dielectric loss, high insulation performance, good chemical stability and other characteristics. They are widely used in copper-clad laminates, printers, LED, high power circuit substrates such as automotive electronics and heat dissipation substrates for electronic components.
If you want to know more about our aluminium oxide ceramic substrate or aluminium oxide ceramic substrate’s price, please feel free to contact us, we will reply you within 24 hours.
Technical Information of Aluminum Oxide Ceramic Substrate:
Characteristic |
Test condition |
Unit |
Qualified |
Fine |
|
Color |
- |
- |
White dense |
White dense |
|
Camber |
- |
- |
≤0.3% |
≤0.2% |
|
Grain size |
- |
μm |
3~5 |
3~5 |
|
Surface Roughness |
Ra |
μm |
0.2~0.5 |
0.2~0.4 |
|
Density |
- |
g/cm3 |
≥3.75 |
≥3.76 |
|
Physical properties |
Flexural strength |
Three point |
MPa |
≥380 |
≥400 |
Hardness |
Loaded 4.9 |
GPa |
≥14 |
≥15 |
|
Water absorption |
- |
% |
0 |
0 |
|
Thermal properties |
Thermal conductivity |
25℃ |
W/(m*k) |
≥24 |
≥25 |
thermal expansion |
25-500℃ |
10-6mm/℃ |
6.6~7.5 |
6.6~7.5 |
|
25-800℃ |
6.6~7.9 |
6.6~7.9 |
|||
Thermal shock resistance |
850℃ |
time |
≥6 |
||
Specific heat |
- |
J/(kg*K) |
880 |
||
Electrical property |
Dielectric constant |
1MHz/25℃ |
- |
9.4±0.3 |
|
Dielectric loss |
1MHz/25℃ |
×10-4 |
≤3 |
||
25℃ |
Ω*cm |
>1014 |
|||
Volume resistivity |
300℃ |
>1010 |
|||
500℃ |
>109 |
||||
Breakdown voltage |
- |
KV/mm |
>12 |
>12 |
Packaging of Aluminum Oxide Ceramic Substrate:
Shanghai Metal Corporation Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.
1)SMC Standard
2)Customization