Homebrew PCBs

hi, rick thanks for your quick response

On 2/22/2013 9:06 PM, Rick Sparber wrote:
>
> Hari,
>
> VERY fancy exposure box.
>
it's just a wooden box with avr(atmega8535L)  module to set the timer, 
LOL :D

>
> Being a minimalist, I bought two of these
>
> http://www.walmart.com/ip/Lights-of-America-24-Fluorescent-Blacklight-Fixtur
> e/16879944
>
this link not work for. it's said " product not found"

> for about $12 each including tax. I bolted a thin bar across the top 
> of each
> side to yoke the two fixtures together. Then I put the assembly on 
> 2.5" tall
> spacers. Works fine for me. I expose my pre-coated boards for 8 minutes,
> develop in under 20 seconds, and etch in warm ferric chloride in under 10
> minutes.
>
what about reflector and what kind of material suitable for it? is it 
needed?

>
> Rick
>
> -----Original Message-----
> From: Homebrew_PCBs@yahoogroups.com 
> <mailto:Homebrew_PCBs%40yahoogroups.com> 
> [mailto:Homebrew_PCBs@yahoogroups.com 
> <mailto:Homebrew_PCBs%40yahoogroups.com>]
> On Behalf Of Hari Hendaryanto
> Sent: Friday, February 22, 2013 6:48 AM
> To: Homebrew_PCBs@yahoogroups.com <mailto:Homebrew_PCBs%40yahoogroups.com>
> Subject: [Homebrew_PCBs] DIY pcb exposure box UV tl
>
> hi guys,
>
> just to make sure i'm on the right track, while i'm waiting for my dry 
> film,
> i wanna ask some favour. i'm deploying compact PCB uv exposure box ( not
> 100% done yet) . as you can see in this url.
>
> http://img17.imageshack.us/img17/4035/tebet2013022200232.jpg
>
> is the UV lamp i'm using the right type. i bought cheap (~ $3 each) 2 UV
> lamps from local hardware/electrical store. it doesn't have any technical
> specification,.just black light tube.
>
> thanks in advance
>
> regards
>
> hari
>



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