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FR4 Thick Copper PCB for Energy Storage

Step Copper PCB Circuit Boards With External layers has a Combination of the standard(4OZ) and Heavy /EXTREME(30oz) Copper

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Heavy Copper PCB

Step Copper PCB Circuit Boards With External layers has a Combination of the standard(4OZ) and Heavy /EXTREME(30oz) Copper

PCB boards Spec:

SpecificationDetail
Board size20*5CM
MaterialFr4
SpecialHeavy copper
Copper weight4OZ and 30OZ

Questions:

1. what is the maximum copper weight that you can cater?

30OZ

2. Are there special notes that should be declared on the FAB note instructions? (e.g. minimum trace width, minimum spacing… etc.)

If this heavy copper ,min trace width and space is 10OZ 25MIL 20OZ 50MIL 30OZ 80MIL

external layers has a combination of the standard and Heavy /EXTREME Copper.

See sample pic showing 2oz, 10oz, 20oz & 30oz

3. Can this be done??

Yes,this can be done

4. Is via stitching applicable?

Yes,but must enough big

5. Minimum layer stack-up?

Over 10OZ 1 layer and 2 layer more