Homebrew PCBs

You might also want to try something like this:
http://retromaster.wordpress.com/2009/08/18/the-pcb-via-press/



On Wed, Sep 2, 2009 at 6:50 AM, Piers Goodhew<piers@...> wrote:
> Around May 11 there was a thread "via's using homemade boards" - I
> think the apostrophe might have thrown your searches off. There was
> this post:
>
>
>        From:   derekhawkins <eldata@...>
>        Subject:        [Homebrew_PCBs] Re: via's using homemade boards.
>
>  > What have you used that works, besides through hole plating?
>
> Pressed fit header pins work best, especially for hidden vias. For the
> latter, you need to use flux on the tip of the pins after they are
> pressed flush with the board beneath where the component will go.
>
> Cut the pin at the other side, it's the chamfered geometry of the
> uncut tip of the pin that allows a good joint with so little exposed
> solder. Also, because these pins are square and the hole is round,
> solder will wick below the board's surface which tends to reinforce
> the joint.
>
> http://www.pbase.com/eldata/image/65408722
> http://www.pbase.com/eldata/image/65448015
>
>
>
> HTH
> PG
>
>
> On 02/09/2009, at 1:39 PM, blue_eagle74 wrote:
>
>> I cant find it, but someone talked about using componet lead,
>> resistor maybe, for vias and soldering each side to make for a low
>> profile via. I have tried this and didn't get good results.
>>
>> Something like insert the lead and solder it on one side and snip if
>> off on the other side and solder it. I did this and got larger
>> solder deposits than using flat trace repair copper strips.
>>
>> Is there any other clever ideas for vias? My target chip is the QFP.
>> Making plated through hole is too complated right now.
>>
>> Brian
>>
>>
>
>
>
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