Homebrew PCBs

Hi,

it's not really related but would it work to replace the printer head 
with a UV laser and "print" on a
uv-sensitive pcb , a bit like how laser printer work except without a 
spinning mirror involved

Stefan Trethan wrote:

>On Sun, 09 May 2004 17:26:17 -0000, mycroft2152 <mycroft2152@...> 
>wrote:
>
>
>>Hi Stefan,
>>
>>Thanks for the info. I've got a few old cartridges I can experiment
>>with. The Lexmark Z52 converted very easily to straight through
>>printing. A few screws and the paper guides were removed.
>>
>
>the flatbed conversion will never be a problem, even if the printer curls
>the paper around 5 rollers and folds it afterwards to fit a emvelope.
>
>the problem is the ink.
>the chances are high you have done the conversion for nothing (welcome to 
>the club).
>
>
>
>>I'm not sure if the difference between uv-curable and uv-sensitive
>>is relevant since the uv resists that are 'only' uv-sensitive work
>>and are sold for that purpose.
>>
>
>uv curable means the ink you inkjet on the copper solidifies when exposed 
>to UV.
>it is some plastic polimerisation process.
>
>UV sensitive means the ink changes it's properties, so that it can be 
>whashed
>off by developer where exposed. It is a solvent based ink, which must dry 
>before
>you can expose it. the solvent may even attack plastic.
>
>
>
>>I'm only suggesting their use for the etching process, not printing
>>legends. I currently print the legend with toner transfer on with
>>the release paper from labels.
>>
>>
>
>I'm only saying you can't use any of the UV functionailty in resist laquer.
>you could use standard laquer all the same.
>
>I'm not sure about plastic compatibility.
>
>good luck
>
>ST
>
>
>
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