The basic parameters of ceramic PCB
This is the basic parameter of some ceramic printed circuit board, we are a OEM factory, we usually based on our customer's design files to produce the PCB&PCBA, If you have a special process requirements, you can directly contact us, we will help you solve.
|
Item |
Test Condition |
unite |
senior |
|
material |
Ceramic/Aluminium nitride Ceramic /Alumina 99.5%/Alumina 99% |
||
|
Color status |
|||
|
average crystal size |
μm |
3-5 |
|
|
volume density |
g/cm2 |
>3.74 |
|
|
water absorption |
% |
0 |
|
|
Vickers hardness |
Load 4.9 |
Gpa |
>15 |
|
flexural Strength |
Bending moment 80mm |
Mpa |
>324 |
|
Linear Coefficient of Thermal Expansion |
20-500℃ 20-800℃ |
1×10- mm/℃ |
605-7.5 6.5-8.0 |
|
thermal conductivity |
20℃ |
W(m-k) |
>370 |
|
Dielectric intensity |
Kv/mm |
>12 |
|
|
Volume Resistance |
20℃ 300℃ 500℃ |
-cm |
>1014 >1011 >109 |
|
Dielectric Constant |
1MHz |
9.3-10.6 |
|
|
dielectric loss |
1MHz |
3×10-4 |
|
|
Thermal - shock |
850℃ |
times |
>7 |
|
roughness of the surface |
Ra(λ2) |
μm |
0.20-0.75 |
The basic parameters of Carbon PCB
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