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

 

I believe that some of the Staedtler waterproof markers were reasonably etch resistant, may not be this exact one..

https://www.staedtler.co.uk/en/products/markers-refill-ink/universal-pens/lumocolor-permanent-pen-313-permanent-universal-pen-s/

some folks sell these as etch resist on E-Bay..

http://www.ebay.co.uk/itm/121477899315

but they are available with fine tips.

Dave

These are what folks used to recommend
> -----Original Message-----
> From: Homebrew_PCBs@yahoogroups.com
> [mailto:Homebrew_PCBs@yahoogroups.com]
> Sent: 13 November 2016 00:49
> To: Homebrew_PCBs@yahoogroups.com
> Subject: 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>
>
>
>
>
> ------------------------------------
> Posted by: Brad Thompson <brad.thompson@valley.net>
> ------------------------------------
>
> Be sure to visit the group home and check for new Links, Files, and Photos:
> http://groups.yahoo.com/group/Homebrew_PCBs
> ------------------------------------
>
> Yahoo Groups Links
>
>
>

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Posted by: "Dave Wade" <dave.g4ugm@gmail.com>

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