Acronym · Power & Discretes
DBC (Direct Bonded Copper)
A substrate made by bonding copper foil directly onto an alumina or aluminium nitride ceramic at high temperature. It provides electrical isolation with good thermal conduction and is the standard carrier inside power modules.
- Also known as
- DCB, Direct copper bonded
- Type
- Acronym
- Domain
- Power & Discretes, Power packaging
Notes
Alumina DBC is cheap, aluminium nitride conducts heat far better, and silicon nitride is tougher under thermal cycling.
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