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Our factory has resumed production since February 10,2020. But only part of production was resumed. PCB prototype(<=100pcs) and small-batch(Within 1m2) production is now only supporting Green Solder Mask,and HASL with lead, HASL lead free, Immersion gold(ENIG) Surface treatment. Batch production is available for all colors. Learn more resuming operations details and update >>

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Plated-through slots

1. The definition of plated slot

  For a board, it may contain plated slot or unplated slot. Plated slot means this slot is plated with copper which can be used for electrical connection.

2. Pictures to show

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3. Size of plated slot

 The min side of plated slot is 0.5mm for PCBWay. For unplated slot, the min size is 0.8mm width. If the through-plating is realized within the circuit board it is called plated-through slits, through-plating on the outer edge of the board is called sideplating.
Basically, each milling with copper connections on TOP and BOTTOM will be produced as plated-through hole (PTH). Is a non-plated-through (NPTH) milling desired, the milling should be exempted from the copper. 

4. Plated slot process 

  It is similar with plated holes . Milling the slots-copper sink-- surface finish (tin-plated for hasl , gold-plated for immersion gold).

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