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PCB Design Rules

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Initially PCBs were designed manually by creating a photomask on a clear mylar sheet, usually at two or four times the true size. Starting from the schematic diagram the component pin pads were laid out on the mylar and then traces were routed to connect the pads. If you have many questions of PCB Design, please come here!

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pcb used for High Power LEDs
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Bartosz Orzechowski

With aluminum pcb, it can't transfer enough heat to cool down the temperature.I thought about using a ceramic pcb. Does anyone have experience with ceramic pcbs? Another question is that is there a way to manufacture an aluminum pcb directly on a heat-sink?
Statement: This post is only the personal view of the author and does not represent the opinions of

Jeff Hanenkrat

You can use a petier element between the pcb and the heat-sink for a better heat transfer.


You can use water cooling, as anything else will fail.

Malcolm Evans

A ceramic pcb will not perform as good as you think. A Copperinlay might be the better way of coping with these high losses. You didn't tell us how big your pcb is.

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