Homebrew PCBs

Hello Nels,

I've had reasonable results using a Sharpie Permanent Marker to fill 
in toner transfer voids.  They can be obtained at just about any 
store including larger grocery stores.  I've found them with a fine 
tip at one end and a "ultra fine" tip at the other.  Makes it nice to 
have both tips on a single pen.

Sometimes when a quick board with a small amount of components for a 
home project is need, I just draw it on the PCB with the 
pen.  Electrons don't care if the lines have size variation, etc.

At 11:48 AM 1/9/2007, you wrote:
>I am attempting my first toner transfer home board etch.  The 
>transfer went better than I had expected for a first try, but there 
>are two voids in some filled pad areas that I would like to touch up 
>before going to the etch tank.  I know Radio Shack has a resist 
>marker available, but I was curious if there are any other options 
>that would save me the 10 mile round trip to the local RS?  I 
>suppose I could strip the board and try another fresh transfer, but 
>the rest of it looks very good, if these two spots could be touched 
>up.  Is touch-up a viable option, or a bad idea?
>
>Nels
>
>
>
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         73,
         Mike, K4GMH 

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