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Message

Re: copper tube via's for PCB prototyping

2004-02-07 by Dave Mucha

--- In Homebrew_PCBs@yahoogroups.com, "Ande_3" <boyerj@u...> wrote:
> All,
> 
> I'm trying to track down a PCB prototyping item and need some help.
> 
> What I'm looking for are small copper tubes which are intended to 
be 
> used for PCB vias instead of electroplating through holes.  I've 
used 
> them before and think they're great but cannot remember the name of 
> the company who sells them.
> 
> The are intended to be used like a rivet where one side of the tube 
> has a flange and the other is bent over using a special tool on a 
> drill press.  However, I find it much quicker and better to simply 
> solder both sides to the via pad.
> 
> Does anyone know where I can find these?  Basically what I'm 
looking 
> for is some kind of conductor to solder in my via holes.  Wire 
> doesn't realy work since it has to be held in place while 
soldering.  
> The flanges in these little copper cylindars worked great for that.
> 
> Please reply if you have any helpful info!
> 
> Thanks,
> Ande


I pulled up a board I did last year and it had over 300 pins, and 
about 25 thru holes.

I had laid it on a piece of styrofoam, very thin stuff from packing 
and stuck resistors into the foam.  Soldered and nipped.

I just check an old Pentium... something.. 300 pins.  all soft and 
bent too easy.  that means to me they would be more messy than 
resistor leads.

I have a collegue who uses 22ga wire, strips off and uses that.

I would like something a little less home brew, but every time I 
look, resistors keep comming up as the best source.

Dave

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