That's what I was trying to ask, I just didn't know how...

So if I'm interpreting this right, there must be some fabricator's who DON'T 
have this UL logo stamp thing, and there are materials that DON'T meet UL 
flammability requirements?

Putting the UL safety certification subject to the side for a moment (not talking 
about that), 
is it the materials that are UL rated? 
or the fabricator has a UL rating? 
or both?  

Jack


.
On Thu, 24 Mar 2011 09:29:14 -0700, Paul Edwards <paul@SURFACE-
ART.COM> wrote:

>Don brings up a good point...
>
>There is the UL registered PCB fabrication process... then there is the UL 
listed/registered product...
>
>Some organizations will request PCBs to be built with a UL registered process 
firm as a method to completely certify that in the end they will have a UL 
listed/registered product after the completion of the UL product testing. Since 
PCB fabrication processes affect the reliability of the PCB which is integral to 
the overall product reliability and safety, then the PCB fabrication process can 
be considered as part of the overall product design, and would therefore be 
subject to review...
>
>BUT this PCB assembly process registration doesn't make the PCB a UL 
registered component as some people hope it will... For the PCB to get that the 
PCB itself must undergo design review and testing...
>
>Paul
>
>Paul Edwards
>Process/Quality Engineering
>Surface Art Engineering

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