Homebrew PCBs

----- Original Message ----- 
From: "pixelpajas" <imanhp@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, December 24, 2007 6:24 PM
Subject: [Homebrew_PCBs] Best printer for getting opaque prints for UV 
photomasks?


> Hi,
>
> Currently I'm are using a Laserjet 1100 for my photomasks as it prints
> really opaque black prints well on OHP transparencies. However when
> the lines become to thin (<0.35mm) small holes start to appear at
> random along the lines. This forces med to spend way to much time
> covering the holes with a marker pen.
>
> Another problem is that the printer distorts larger PCB designs to
> such an extent that i becomes impossible to align large double sided
> PCB's. I could deal with the distortion if it was linear on both sides
> but the elongation of the y axis due to heat up of OHP transparencies
> is unfortunetely somewhat different on the sides. I could probably buy
> some thick tracing paper to avoid some of the distortion. But i would
> rather find a new good printer that just works with transparencies (if
> at all possible).
>
> So are there any recommendations on laser printers that have worked
> well for you guys?

I get good results from a cheap HP inkjet printer with JetStar Premium film.

Leon
--
Leon Heller
Amateur radio call-sign G1HSM
Yaesu FT-817ND and FT-857D transceivers
Suzuki SV1000S motorcycle
leon355@...
http://www.geocities.com/leon_heller