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On 14-04-11 20:11, Tom Biery wrote:
> I have recently used some positive resist boards from eBay and am expereinceing
> exposure times of up to twice as long as the times it is taking for the positive
> resist boards bought from Circuit Specialists.
>
>
> Is this because they are old or defective?
>
> I have a UV exposure box and the eBay boards take 150 seconds and the new
> Circuit Specialists boards only take 80 seconds?
>
>
> Please tell me what you think?
>
> Thanks, Tom
Old boards.
I have some scraps that I bought 3 years ago and they need 2.5+ times
longer exposure. But, I always buy fresh boards localy so scraps are
just for fun :)
- --
Best Regards,
Zoran A. Šćepanović
zastos@...
http://zastos.com
+381 63 609-993
- -..-
You never find the article until you replace it.
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