Re: [Homebrew_PCBs] Re: SHARPIE PERMANENT MARKER ETCH TEST finer lines

 

On 11/12/2016 9:43 AM, Rob roomberg@ptd.net [Homebrew_PCBs] wrote:
>
>
> I was hoping to find a marker that could leave a finer line.
> I am getting a real fat line with a sharpie.
> So I was hoping a new sharpie might leave enough inck for a thinner line.
> This is too fat for DIP pins:
> http://www.learnmorsecode.com/laminator/pic/PIC16F628PROTO8d.jpg
> It works but is tight.
> http://www.learnmorsecode.com/laminator/hotcakes.html

Hello--

At the risk of revealing the era in which I learned technical drawing
(*), how about using an erasing shield?

http://drawsketch.about.com/od/materials/ss/erasershield.htm

The online auction site lists a bunch of sources for $.99 on up...

252478256009

(Usual disclaimers apply.) Also, I haven't tried this due to displacement of
my drafting kit<g>.

In theory, the marker ink shouldn't spread under the shield and smear,
but if
so, applying some tape on the under side to raise the shield off the
copperclad
might work.

73--

Brad AA1IP

(*) I worked on the crew that invented Fire....<g>

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Posted by: Brad Thompson <brad.thompson@valley.net>

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