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 R.T.～400℃[ppm/K] |
Thermal conductivity R.T.［Ｗ/(ｍ・K)］ |
|---|---|---|---|---|
| AlN | AlN(200W) | It is useful when insulation and patterns are required. | 4.5 | ＞200 |
| AlN(170W) | 4.5 | ＞170 |