I think it is...

The UL mark only certifies that the materials used in the bare board, and
doesn't tell you anything about the assembly (I think... am I crazy?)

The RoHS (or now incorporated into CE) mark represents the entire product

Jack

On Mon, Sep 26, 2011 at 11:35 AM, Ahne Oosterhof <[log in to unmask]> wrote:

> Is this problem any different than having the board manufacturer mark the
> board as passing UL requirements?
>
> Ahne.
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Jack Olson
> Sent: Sunday, September 18, 2011 08:20
> To: [log in to unmask]
> Subject: Re: [TN] standard industry silkscreened symbology for Pb-free
> assembly
>
> I agree, but I would also caution you to think about something.
> When you mark something on a bare board as being "lead free",
> are you telling the world that only the bare board is lead free?
> ...or are you implying that the final assembly is lead free?
> Be cautious about marking a bare board, and then losing control of it later
> on.
>
> Maybe the assembler should be marking the final assembly as "compliant"?
>
> Does anyone else have experience with this?
> I'm nervous about stamping a bare board, and then someone later down the
> line decides to assemble the board with different criteria...
>
> Jack
>
> .
>
> On Fri, 16 Sep 2011 08:52:53 -0500, Kim Sterling <[log in to unmask]>
> wrote:
>
> >Hello Joe - Our tech staff recommends IPC/J-STD-609A, IPC/JEDEC Marking
> and
> Labeling of Components, PCBs and PCBAs to Identify Lead (Pb), Lead-Free
> (Pb-Free) and Other Attributes. Written to cover this type of question.
> www.ipc.org/609A<http://www.ipc.org/609A>.
> >
> >Hope that helps.
> >
> >Kim Sterling, IPC
>
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