Mitsubishi Materials Corporation

Insulated Substrates with Aluminum Circuit for Power Modules

Insulated Substrates with Aluminum Circuit for Power Modules


DBA (Abbreviation of "Direct Bonded Aluminum") is a registered trademark of Mitsubishi Materials Corporation.
DBA Substrate is made by high purity aluminum plates bonded to both sides of a ceramic substrate.
DBA Substrate have a dual function of electric insulation and heat dissipation from the mounted silicon dies.
DBA substrate have high reliability in severe thermal cycle test. DBA substrates are used in the power modules of Electric Vehicles (xEVs) and the other applications requiring high reliability and heat dissipation.

Application Examples

Hybrid car, EV, fuel-cell car, electric train, power-conditioner for solar power / wind power generator, invertor, power module, isolated board, radiation board


Fuji-Oyama Plant Sales Group


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Related Websites

Advanced Products Company Electronic Materials & Components Div. Electronic Materials Dept.

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