Homebrew PCBs

;-) good luck ;-)

(sorry steve, couldn't shut it.. useless post i know)

On Sat, 20 Mar 2004 13:06:51 -0800, Richard Mustakos <rmustakos@...> 
wrote:

>   Brewers,
> I want to try using an inkjet to moisten a mix of Cu, Sn/Pb and flux
> powders to make them stick together and to a substrate.  Then I can dump
> or blow the remaining dry powders off and reflow the solder to hold the
> copper to the substrate.  I've been looking for powdered copper, solder
> and flux.  I've had some success with finding copper (10g/$, 0.5 kg
> min).  So far, no joy on powdered (dry) flux.  Powdered solder exists,
> and I have even seen references to flux coated solder (reduces
> oxidation), but so far, I have not found a company that sells powdered
> solder.  They only seem to produce it for use in solder paste.  Do any
> of you know of an electronics friendly, dry flux powder?  Water soluble
> is even better. I've found a number of flux powders, but they all seem
> to be for brazing.  One that I don't know what it's used for is Ammonium
> Chloride: UnitedNuclear.com says: "Ammonium Chloride is a common
> soldering flux used for joining metals together." Does anyone know if
> NH4Cl is suitable for electronics? If so, I can get 2 oz for $2 there.
> Any ideas on solder powder supplies?
> Do any of you live in Southern California?  I don't have a laser printer
> yet, and would like to try a couple of things.  I'm in the Thousand Oaks
> area.  Now that you know, please don't stalk me ;-)
> RM
>
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