AlN (Aluminum Nitride)
Submounts (heatspreaders) for semiconductor lasers or LED substrates
AlN is a material with high electric insulation and low dielectric constant. On the surface, it is possible to form various metallizing thin films for electric circuits, chip mounting, and wire bonding.
| Material | Trade Name / Composition |
Features | Coefficient of Average Linear Thermal Expansion ¸é.°Õ.¡«400¡æ[ppm/K] |
Thermal conductivity R.T.£Û£×/(£í?K)£Ý |
|---|---|---|---|---|
| AlN | AlN(200W) | It is useful when insulation and patterns are required. | 4.5 | £¾200 |
| AlN(170W) | 4.5 | £¾170 |