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Homebrew PCBs

Index last updated: 2026-04-13 23:21 UTC

Message

Re: Through plating - double sided

2006-04-12 by derekhawkins

>If you have no plate-through, how is the connection done?

This applies to connectors and pin headers.....One way to do 
it...First you normally solder the pins on the "solder side" then 
using a plias (or fine screw driver as a lever) you raise the molded 
plastic on the component side to expose the pads on that side and 
solder. Press the plastic back in place.

Another way....Press the pins sufficiently out of the plastic first 
then solder both sides using a pre-measured or estimated depth on 
the "solder side" then press the plastic back. 

>The same question for the pots on the upper border?

Had to resort to homebrew vias there.

>How do you go from 'one' side to the 'other' ?

Homebrew vias....Just a piece of bus wire (cut component 
lead...whatever) soldered between aligned pads on both sides. Plated 
holes are an unnecessary luxury in a homebrew scenario IMO. 
The "undrilled" board below is only 2" by 1.5" and all the square 
pads are "via pads" with matching pads on the other side. They are 
only .050" square and the drill bit is .032" so side-to-side 
alignment is critical. Another reason for the small size is that the 
cluster of four near the upper left hand corner are necessarily 
beneath a SMD component on the other side;

http://www.pbase.com/eldata/image/57044297/original

--- In Homebrew_PCBs@yahoogroups.com, "Herbert E. Plett" 
<cachureos@...> wrote:
>

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