[Blabber] Interesting Idea - PCB resist generation

Robert Diamond rmd6502 at gmail.com
Thu Apr 14 14:52:49 UTC 2016


I like that idea  - similar to the laminator toner transfer - I would
imagine you'd need to print the page a few times to make sure you had solid
black coverage.

On Thu, Apr 14, 2016 at 10:47 AM, Antonio <diveblends at gmail.com> wrote:

> Wonder if it would work with a variation of the toner transfer (so
> avoiding powder etc.)
> 1) print a completely black
> 2) stick it to the board (prob wet & dry method is fine)
> 3) use laser to melt the toner through the paper.
>
> On Thu, Apr 14, 2016 at 10:38 AM, Robert Diamond <rmd6502 at gmail.com>
> wrote:
>
>> I'm not the first to think of this:
>> http://www.instructables.com/id/DIY-PCB-Toner-Deposition-Method/?ALLSTEPS
>>
>> On Thu, Apr 14, 2016 at 10:32 AM, Robert Diamond <rmd6502 at gmail.com>
>> wrote:
>>
>>> I was listening to "Still Untitled - the Adam Savage Project" podcast,
>>> and he mentioned an interesting technique that he called "boutique laser
>>> printing".  Basically run a laser cutter in raster mode over a piece of
>>> paper that's covered with toner and fuse the toner in your pattern.
>>>
>>> So imagine doing this on a PCB?  Bulk toner is cheap:
>>> http://www.amazon.com/Compatible-MFC-7460DN-MFC-7860DW-DCP-7060D-DCP-7065DN/dp/B004WSO73W/ref=sr_1_2?ie=UTF8&qid=1460643847&sr=8-2&keywords=bulk+toner
>>>
>>> Caveats:  since toner is meant to respond to static electricity I don't
>>> know how much will stay on the board.  Since it's a lightweight powder you
>>> can't use the fan for ventilation, and I have no idea how toxic toner dust
>>> (particularly burnt toner dust) is.  I also don't know how long it would
>>> take to coat the laser cutter lens (and thus crack it).
>>>
>>> Still - could be fun, especially if the problems above could be worked
>>> around somehow.
>>>
>>
>>
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>
>
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