Homebrew PCBs

> > > > Andrewm wrote:
> > > > Fuji Xerox Docucentre C4xx.

> > Andrewm wrote:
> > I can hold a print out up to the window that
> > faces kangaroo point if you have a good pair
> > of binoculars.
> >

> John Craddock wrote:
> Sorry, left the Zeiss's down on the boat!
> Docucentre!! you must be a lawyer!! Only
> lawyers can afford things like that!!

Not a lawyer but almost as bad :P
 
> Tell us more about the UV box.

Kalex thing.

> Board size handling?

Um - about a big as a large briefcase.

Larger than A4.

> Is it necessary to worry about colimation?

Some people say no.  I am going to throw
away the Kalex box and make my own.  I don't
beleive collimation is critical - but I do
think that uniformity IS.  The kalex box
has light and dark patches.  When using the
little HP4000 at home for photo tools the
difference in exposure on the dark and light
areas is enough to cause some concern.

Using the car priced fuji/xerox thing at
work here there is not problem at all.

The laser plotter shoudl improve this as
well.  But no harm in making a new UV box
with better uniformity.

> Timer?

Built in thing.  I will make an atmel thing
with an LCD for the new one.

> Exposure time?

About 100 seconds.  The tubes are getting old.

I use Kinsten.  Dupont or roll your owns
woudl of course be different.

> Tube make and model?

Generic Black Blues.  I have priced new tubes
from Cetnal over on compton road (near Ikea
on the southside)

> General dimensions?
> Home built or commercial?

As stated above.  Kalex thing you can find on
the web.

The new one will be loosly based on the thing
from think'n'tink dot com.

I can make you up one as well while I am at
it if you shell up for the invoice price of
the tubes and ballasts.   I will dig out
the price I got from the place at Compton Rd
Kigston if you like.