Laserdioden Submounts und Keramiksubstrate

Stellar Industries

Stellar Industries is an American manufacturer of special ceramic materials for Thermal Management.

Products and Services:

  • Ceramic substrates lapped and polished:
    Alumina  Al2O3
    Aluminium Nitride  with 170W/mK and 200 W/mK
    Beryllium Oxide  BeO with 285W/mK and 325 W/mK
  • Standard sizes like 4“ x 4“ x 635µm with short delivery time of 2 weeks
  • Direct Bond Copper (DBC) on Al2O3, AlN and BeO substrates
    A Copper foil is eutectically bonded with copper oxide to a substrate surface.
    Finish: with or without Ni/Au metallization
    Full Face DBC or structured acc to customer drawing
  • Thick Film Technology:
    Complete on-site Thick Film manufacturing capabilities.
    Gold, Platinum-Gold, Silver, Palladium-Silver and Copper pastes are available
  • Thin Film Technology:
    TiW/Au; Ti/Pt/Au; NiCr/Ni/Au; NiCr/Cu/Ni/Au
    Wrap-Around Metallisation
  • Laserdiode Submounts:
    on 285 W/mK Beryllium Oxide and 200 W/mK Aluminium Nitride AlN
    50-75µm thick Copper layer possible
    Sharp edge for Edge Mounting Laser Bars
    with ~ 5µm 80Au20Sn or 75Au25Sn solder for void-free soldering and thermal transfer
 DBC on Al2O3 Ceramics  DBC Substrate  Laser Submount with AuSn  Film Wrap