Re: Green solder mask and heatsinking
- From: pcw1.cad@xxxxxxxxxxxx
- Date: Sat, 1 Nov 2008 12:30:57 -0700 (PDT)
On Nov 1, 7:24 pm, "pimpom" <pim...@xxxxxxxxxxxxxxx> wrote:
Does anyone know something or point me to a web resource about
the heat radiating/insulating property of green solder mask?
I'm making two PCBs for a custom-built project and want the
finished boards to have a professional look. I've done the screen
printing and etching. One of the PCBs has a large (~8 sq.in.)
plain copper area to supplement the separate finned heatsink. All
soldering will be done by hand and from experience, I find it
difficult to get a nice finish covering even a couple of sq.in.
with a thin film of solder by hand (for corrosion protection).
The alternative would be to cover the heatsink area with green
solder mask along with the rest of the PCB. But I would like to
be able to estimate the loss of heat radiation. I'm not really
expecting precise figures as there are many variables, but I'll
be grateful for some indication other than a wild guess.
(Note: Without going into details at this time, let me assure you
that I don't have the alternative of ordering the PCBs from a
manufacturer. I'm doing everything myself).
Thanks in advance for any help.
Loss of radiation will be miniscule. I always cover my gound planes/
heat blocks with solder mask.
.
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