I don't normally grouse, but how did this topic get from "Easy Fast Laser Print DIY Circuit Boards" to "etching brass plate"? Kind of far off topic for one thing and has nothing to do with DIY PCB's. Please change the topic and/or find a more suitable forum!
Sorry for being cheeky but enough is enough.
--- In Homebrew_PCBs@yahoogroups.com, "Rick Sparber" <rgsparber@...> wrote:
>
> Clark,
>
> Actually, I'm not a "pcb guy" ;-)
>
> When I want to make a board, I use pre-coated boards and contact printing.
> Nothing special there.
>
> My efforts, recently, have only been focused on making durable labels. I
> have etched into brass plate to a depth of about 0.002" and it does look
> good. This was done with David Pickering's technique. My problem was
> painting the surface to give more contrast. That is what led me to toner
> transfer onto powder coat. I get great contrast and a durable product. It
> doesn't look nearly as nice as polished brass but is lower cost and higher
> contrast.
>
> As an aside, I have also been working on a method for easily radiusing the
> corners of these plates. I've come up with a variation on a filing button
> that is very low cost and easily make. The trick is to use magnets to clamp
> the plate to the tool.
>
> Rick
>
> -----Original Message-----
> From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
> On Behalf Of Misc Clark
> Sent: Friday, August 23, 2013 5:29 AM
> To: Homebrew_PCBs@yahoogroups.com
> Subject: Re: [Homebrew_PCBs] Easy Fast Laser Print DIY Circuit Boards -
> Dave's toner-transfer freezing technique
>
> Hi Rick - thanks for replying...the process I'm interested in is toner
> transfer onto shim brass for single-sided photoetching... I realize you pcb
> guys only do a surface etch and undercutting is not an issue...is it?
> that's why I ask if this toner transfer method will work for etching...
> Clark
>