Aluminum pcbs includes a thin layer of thermally conductive heat conducting medium material.

Benefits of aluminium printed circuit boards:

1, heat dissipation performance is significantly better than the standard FR-4 structure. 

2, the used dielectric is typically 5 to 10 times as thermal conductivity as 3, the conventional epoxy glass and 1/10 of the thickness,

3, the heat transfer index is more effective than the conventional rigid plate.

4, the IPC heat rise figure can be used to suggest that the amount of copper.

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