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Subject: Re: [Homebrew_PCBs] Re: For a DIY exposure box ... is collimated light an issue?

From: =?UTF-8?B?IlpvcmFuIEEuIMWgxIdlcGFub3ZpxIci?= <zastos@...>
Date: 2013-07-06

On 07/06/2013 08:57 PM, brane2 wrote:
> Dne 06. 07. 2013 16:10, piše "Zoran A. Šćepanović":
>>
>> On 07/06/2013 06:53 PM, brane2 wrote:
>>> I've just finished purchasing some of the material for our first
>>> non-improvised lamp.
>>>
>>> I plan to use Osram's bactericidal fluo lamp Puritec 15W:
>>
>>>
>>
>> I would suggest not to use the lamps that you specified.
>> UVC is not the wavelength band that is "the best solution" for PCB
>> exposure.
>> Try to find lamps that are intendend for "reprophotography", Philips
>> carries some of these, that are in UVA wavelength band.
>>
> I already have two of those on cobbled up reflector. They are not as
> good as low pressure Hg, but they are not that much worse. And they work
> simply phenomenal as EPROM erasers.
>
> I will check those Phips lamps out, but since Osrams work well enough
> for me and I have local source handy and already have the lamps, I plan
> to deploy these first.
>
> Thanks for suggestion.
>

Watch your eyes, UVC is harmfull :-)

--
Best Regards,
Q Systems
Zoran A. Šćepanović
zastos@...
Skype: zoran.a.scepanovic
http://zastos.com
+381 63 609-993

-..-
Watch this space.