Description
AlN Component
Application
Equipment demands for high thermal insulation and thermal conductivity
Material Characteristics
Good thermal conductivity, good insulation
Material Comparison Chart:
| Nature | density(g/㎝3 ) | density(g/㎝3 ) | (10-6 / ℃) | (Kgf/㎜2 ) | (J/㎏*°K) | (GPa) | (MPa) | (MPa) | (MPa) | (MPa*m0.5 ) | (Poisson’s ratio) | (℃) |
| Al2-O3 | 3.9 | 3.9 | 8 | 1600 | 880 | 370 | 262 | 2600 | 380 | 3.6 | 0.26 | 2053 |
| ZrO2 | 6 | 6 | 10.1 | 1400 | 400 | 200 | 700 | 1850 | 690 | 9.5 | 0.23 | 2700 |
| SiC | 3.2 | 3.2 | 4 | 2300 | 700 | 410 | 400 | 3900 | 550 | 4.6 | 0.19 | 2700 |
| Si3 N4 | 3.3 | 3.3 | 2.3 | 1500 | 700 | 310 | 524 | 2500 | 780 | 7.7 | 0.24 | 1900 |
| Cellon Sialon | 3.2 | 3.2 | 3 | 1600 | 620 | 300 | 450 | 3500 | 600 | 6.5 | 0.23 | 1900 |
| WC | 15 | 15 | 6 | 1600 | 390 | 700 | 896 | 6100 | 550 | 25 | 0.18 | 2870 |
| Glass | 2.5 | 2.5 | 0.5 | 1000 | 740 | 70 | – | 1100 | 69 | 1 | 0.2 | 2200 |
| BN | 2 | 2 | 2 | 220 | 1850 | 62 | 41 | 143 | 73 | – | 0.13 | 2600 |
| AlN | 3.2 | 3.2 | 4.4 | 1200 | 730 | 340 | 400 | 2070 | 350 | 2.6 | 0.25 | 2400 |
| B4 C | 2.5 | 2.5 | 5.6 | 3200 | 930 | 450 | 350 | 2800 | 400 | 3 | 0.15 | 2450 |
| Steel | 7.8 | 7.8 | 13.6 | 126 | 448 | 200 | 520 | – | – | 14 | 0.3 | 1450 |
Relatively high thermal conductivity of the substrate table:
| Substrate material | FR4 | MCPCB | LTCC | Al2-O3 | SiC | AlN |
| (W/m*°K) | 0.7~1.2 | 2~6 | 8~15 | 20~28 | 120~140 | 140~180 |
| Insulativity(Ω×㎝) | 1014 | 108 | 1013 | 1015 | 108 | 1011 |
| (0.25cm2 ) (W) | <0.2 | 0.5~1 | 1~1.5 | 2~3 | 3~15 | 15~20 |
| Board size | To large-scale | To large-scale | No more 6″×6″ | No more 6″×6″ | No more 6″×6″ | No more 6″×6 |
The items are subject to prior sale without notice. These items are only for end users.
SS5624
