Mail Archives: geda-user/2015/09/25/11:48:44
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Regarding resolution of DLP based systems, Grok this:
http://lekernel.net/blog/2010/10/diy-multilayer-lithography-at-10-microns/
Best
Marvin
On Thu, Sep 24, 2015 at 11:04 PM, Stan Katz (stan DOT katz DOT hk AT gmail DOT com) [via
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
> Please be aware that the acronym dlp is also used by hobbyists for "direct
> laser printing". That involves tearing into a laser printer, replacing the
> red laser with a blue one, reworking the printer to accept flat pcbs
> Like this:
>
> http://hackaday.com/2012/08/09/exposing-pcbs-with-a-home-made-laser-printer/
>
> I'm referring to using the multi-mirror DLP ic by Texas Instruments that
> used to be used in TVs. The company in the following link uses the TI DLP
> chip to print directly, by projection. No chopping up of an office laser
> printer is required. You'll need good knowledge of optics to get this
> working, but I consider this the best way to go.
> https://www.youtube.com/watch?v=heUPV0aci5c
>
> On Thu, Sep 24, 2015 at 5:57 PM, Nicklas Karlsson (
> nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] <
> geda-user AT delorie DOT com> wrote:
>
>> > I would just Google some terms like < diy dlp photoresist > etc. There
>> are
>> > a lot of homebrewers who have harvested dlp modules from old projector
>> TVs
>> > and are trying to duplicate, or come close to the results of
>> professional
>> > dlp direct printing uv photoresist exposure systems. Although, I must
>> > admit, I haven't come across a successful diy dlp hack in my internet
>> > search. Maybe you're the one to succeed.
>>
>> "professional dlp direct printing uv photoresist exposure systems"
>>
>> I guessed someone else had done before. Now I know I am on the correct
>> track, that's exactly what I was looking for. I will look for something old
>> and keep for the simpler circuits.
>>
>
>
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<div dir=3D"ltr">Regarding resolution of DLP based systems, Grok this:<div>=
<br></div><div><a href=3D"http://lekernel.net/blog/2010/10/diy-multilayer-l=
ithography-at-10-microns/">http://lekernel.net/blog/2010/10/diy-multilayer-=
lithography-at-10-microns/</a></div><div><br></div><div><br></div><div>Best=
</div><div><br></div><div>Marvin<br><div class=3D"gmail_extra"><br><div cla=
ss=3D"gmail_quote">On Thu, Sep 24, 2015 at 11:04 PM, Stan Katz (<a href=3D"=
mailto:stan DOT katz DOT hk AT gmail DOT com" target=3D"_blank">stan DOT katz DOT hk AT gmail DOT com</a>=
) [via <a href=3D"mailto:geda-user AT delorie DOT com" target=3D"_blank">geda-user=
@delorie.com</a>] <span dir=3D"ltr"><<a href=3D"mailto:geda-user AT delorie=
.com" target=3D"_blank">geda-user AT delorie DOT com</a>></span> wrote:<br><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left=
-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;paddi=
ng-left:1ex"><div dir=3D"ltr">Please be aware that the acronym dlp is also =
used by hobbyists for "direct laser printing". That involves tear=
ing into a laser printer, replacing the red laser with a blue one, reworkin=
g the printer to accept flat pcbs<div>Like this:</div><div><a href=3D"http:=
//hackaday.com/2012/08/09/exposing-pcbs-with-a-home-made-laser-printer/" ta=
rget=3D"_blank">http://hackaday.com/2012/08/09/exposing-pcbs-with-a-home-ma=
de-laser-printer/</a></div><div><br></div><div>I'm referring to using t=
he multi-mirror DLP ic by Texas Instruments that used to be used in TVs. Th=
e company in the following link uses the TI DLP chip to print directly, by =
projection. No chopping up of an office laser printer is required. You'=
ll need good knowledge of optics to get this working, but I consider this t=
he best way to go.<br><div><a href=3D"https://www.youtube.com/watch?v=3DheU=
PV0aci5c" target=3D"_blank">https://www.youtube.com/watch?v=3DheUPV0aci5c</=
a><br></div></div></div><div><div><div class=3D"gmail_extra"><br><div class=
=3D"gmail_quote">On Thu, Sep 24, 2015 at 5:57 PM, Nicklas Karlsson (<a href=
=3D"mailto:nicklas DOT karlsson17 AT gmail DOT com" target=3D"_blank">nicklas.karlsson=
17 AT gmail DOT com</a>) [via <a href=3D"mailto:geda-user AT delorie DOT com" target=3D"_=
blank">geda-user AT delorie DOT com</a>] <span dir=3D"ltr"><<a href=3D"mailto:g=
eda-user AT delorie DOT com" target=3D"_blank">geda-user AT delorie DOT com</a>></span=
> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-s=
tyle:solid;padding-left:1ex"><span>> I would just Google some terms like=
< diy dlp photoresist > etc. There are<br>
> a lot of homebrewers who have harvested dlp modules from old projector=
TVs<br>
> and are trying to duplicate, or come close to the results of professio=
nal<br>
> dlp direct printing uv photoresist exposure systems. Although, I must<=
br>
> admit, I haven't come across a successful diy dlp hack in my inter=
net<br>
> search. Maybe you're the one to succeed.<br>
<br>
"professional dlp direct printing uv photoresist exposure systems"=
;<br>
<br>
</span>I guessed someone else had done before. Now I know I am on the corre=
ct track, that's exactly what I was looking for. I will look for someth=
ing old and keep for the simpler circuits.<br>
</blockquote></div><br></div>
</div></div></blockquote></div><br></div></div></div>
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