Such a tool may not be necessary. At a recent Pb Free presenatation here
in Toronto Canada, Peter Biocca, of Kester solder was able to show those in
attendance a small disposable pen sized gadget that, when rubbed on a
solder joint, would turn pink if there was lead present, at a cost of aprox
$1.00US per. Perhaps this is the kit that Gaby mentions? However, I do
realize that such a tool has its limits . . .
Danielle
-----Original Message-----
From: Bev Christian [SMTP:[log in to unmask]]
Sent: Wednesday, August 25, 2004 11:14 AM
To: [log in to unmask]
Subject: Re: [LF] Antw: Re: [LF] INTERPRETATION OF EU DIRECTIVES, ETC.
Gaby,
What kit? I was speaking of an inductively coupled plasma optical emission
spectrometer, which costs close to $200K (US). And I also mentioned a
Dremel tool. Here in North America a Dremel tool is a well known brand of
a handheld multitool for grinding and sanding small objects (well usually
not as small as 20 mil leads!)
Bev
-----Original Message-----
From: Gabriela Bogdan [mailto:[log in to unmask]]
Sent: August 25, 2004 11:04 AM
To: (Leadfree Electronics Assembly Forum); Bev Christian
Subject: Re: [LF] Antw: Re: [LF] INTERPRETATION OF EU DIRECTIVES, ETC.
It was a theoretical question, and I hope too that we will not have to do
such absurd tests.
By the way- what is the sensitivity of the kits for lead checking?
Does it make sense to introduce them in the incoming inspection?
Gaby
----- Original Message -----
From: "Bev Christian" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, August 25, 2004 3:58 PM
Subject: Re: [LF] Antw: Re: [LF] INTERPRETATION OF EU DIRECTIVES, ETC.
> Guenter,
> Then this totally takes me, the OEM, out of the picture for producing the
original data for the material contents. I am now totally captive of my
suppliers (and their suppliers) to provide this information, since it is
physically impossible to get that data myself. (And I am NOT going to be
"Grinding or scraping" as Gaby mentioned, I hope factiously. And how would
I do that Gaby, with a Dremel tool?!) All I can do is perform an ICP-OES
analysis to get overall cadmium and lead content of my PCBA (or perhaps
individual components we suspect) as a validation of the data received from
my suppliers.
> Bev Christian
> RIM
>
> -----Original Message-----
> From: Guenter Grossmann [mailto:[log in to unmask]]
> Sent: August 25, 2004 4:31 AM
> To: [log in to unmask]
> Subject: [LF] Antw: Re: [LF] INTERPRETATION OF EU DIRECTIVES, ETC.
>
>
> We had several requests already to do such an analysis. The problem is
> not only the removal of the homogeneous material but the analysis down
> to 0.1% isn't easy and costs a fortune.
> In my opnion, the only possibility to go handle the legislation is a
> delivery specification indicating that the parts delivered must comply
> with the RoHS since only the producer is able, by avoiding non conformal
> materials, to ensure RoHS compatibility.
>
> Best regards
>
> Guenter
>
> EMPA
> Swiss Federal Laboratories for Materials Testing and Research
> Centre for Reliability
> Guenter Grossmann, Senior Engineer
>
> 8600 Duebendorf
> Switzerland
>
> Phone: xx41 1 823 4279
> Fax : xx41 1 823 4054
> mail: [log in to unmask]
>
>
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