A few questions about soldermasks.

Discussion in 'General Electronics Chat' started by doby, Apr 24, 2016.

  1. doby

    Thread Starter Active Member

    Aug 17, 2011
    I've just competed my first go at smd soldering without a soldermask in place and much to my surprise it went a lot smoother than I anticipated, in fact it was perfect. I'm now in two minds whether I actually need to bother with a soldermask or if just tinning the copper will provide sufficient protection against oxidation and corrosion.

    I realise there are other benifts to a soldermask but I'm unsure if it's actually worth the hassle given that I had no trouble with the soldering.

    The pcbs will be part of a marketed product so maybe a soldermask is required? I know lead solder is big no in this respect and I obviously want to meet any directives that may exist on selling a product containing a pcb.

    Can anyone shed any light on this?
  2. KeepItSimpleStupid

    Distinguished Member

    Mar 4, 2014
    The solder mask allows a PCB to be machine soldered. Conformal coatings can prevent oxidation. The silk screen will help in stuffing the board. The PCB house may not allow a silk screen without a soldermask.