Homebrew PCBs

Tom:

Do you have any idea what the exposure time will be can you do a quick test
> exposing a piece of PCB before its all built.
>

I am thinking close to 300 seconds, but I have to test on my common board
size.




> Just some thoughts I am sure that once you get it built you will have allot
> of fun with it, UV makes a big differeence.  Are you going to use it for
> thru hole components or SMD mostly I do all SMD,  If you do SMD you might
> want to check out my video series on the SMD Toaster Oven.  Reflow Toaster
> Oven PART
> 2. SMT    http://youtu.be/kyphQ1WUIsk
>
> Tom
>
> I, like you, do mostly SMD parts, but there are always through holes parts
that creep into my designs. I am just a hobbyist, so I tend to experiment
with whatever I can get my hands on. Your videos are the best and I can
always count on your posts to this list to be comprehensive, so thanks!

>
> From: Chris Kleeschulte <laconia@...>
> >To: Homebrew_PCBs@yahoogroups.com
> >Sent: Monday, September 26, 2011 6:49 AM
>
> >Subject: Re: [Homebrew_PCBs] Two Videos demonstrating the Kinsten UV
> Exposure Box
> >
> >
> >
> >
> >Tom:
> >
> >Your questions lead to me to believe that I have no idea what I am doing
> >with this UV led exposure box. My design is not using a driver chip..just
> a
> >75ohm resistor to drive 3 leds. This circuit will be in parallel with many
> >other ones just like it. Would I need a driver chip? To secure the
> artwork,
> >I was thinking that the glass plates would "sandwich" the artwork against
> >the glass plates. Would there be a problem with this?
> >
> >On Sun, Sep 25, 2011 at 9:23 PM, Tom Biery <judsquare@...> wrote:
> >
> >> **
> >>
> >>
> >> Are you driving the LEDs with a driver chip like a ZXLD1362?
> >>
> >>
> >>
> >
> >[Non-text portions of this message have been removed]
> >
> >
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>  
>



-- 
Chris Kleeschulte
KK4DYJ


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