[sdiy] Photo etch experience please

[Paul Perry]

I think you need UV, or at least a source with UV in it.
Most domestic lights have the UV filtered out, or none in the first place.
Domestic UV sources are often called "BlackLight".

paul perry Melbourne Ausralia

----- Original Message ----- 
From: "Joe" <joe.frey at radioles.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, February 09, 2016 12:15 PM
Subject: [sdiy] Photo etch experience please


> Hi all, I am trying to use photo sensitized boards and make circuit
> boards. I have good enough luck using the sun as my light source but now
> I want to do this in the house so I am independent of the weather. Using
> a 13w csf bulb I have to expose for 22 mins! That is 4 times what people
> show on their tutorials? Does anyone else have experience to share with
> this?
> Outside with sunlight my exposure is generally 14 mins. Again is anyone
> else on the list able to share any experience with this. Thanks Joe.
> 
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