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how much Photo Resist PCB needs UV mcd?? ( FOR UV BOX)

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ahmed osama

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dear all

how much Photo Resist PCB needs UV mcd?? ( FOR UV BOX)

how much mcd for each cm2

i in my country ,i don't have except 100 mcd !!
 

It depends on which Photo Resist you are using. Are you are using the spray-can type? Which one?

It is also about this: Total exposure = uv exposure x time exposed
 

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