Hi all,
Did anyone observe Sulphide salts on (uncoated) working cards? Can it be
related to polluted environment?
Regards
Ofer Cohen
Manager
Quality Assurance, Reliability and Production Technologies
SEABRIDGE Ltd. - A Siemens Company
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Ingemar Hernefjord
> (KC/EMW)
> Sent: Tuesday, February 01, 2005 10:09
> To: [log in to unmask]
> Subject: Re: [TN] Sulfide contamination
>
> Interesting, like an echo from the 60s. Got worried when I saw your
> message, storage conditions are questions that arise up and then, and
> sulphur compounds could be a problem decades ago. Plastics that
contain
> sulphur in any form today are e.g. PPS, PSU, PES and CSM, i.e.
> polyphenylen sulphide etc, but I can't see that any of these belong to
> antistatic sheets and tapes and trays. Looking forward to what others
will
> say. We use a lot of antistatic material, so I'm curious.
> Ingemar Hernefjord
> Ericsson Microwave Systems
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]]
> Sent: den 31 januari 2005 23:18
> To: [log in to unmask]
> Subject: [TN] Sulfide contamination
>
>
> I have heard that certain plastic trays, pallets, antistatic sheets,
> tapes,
> etc. could contain sulfide as a plasticiser, which could lead to
sulfide
> contamination of components coming into contact with these items. Is
this
> a
> fact? Is sulfide contamination a risk if there is no brown paper or
> cardboard involved?
>
> Lothar Thole
> Product Engineering Manager
> Vision Systems
>
> 14 Park Way
> Technology Park
> MAWSON LAKES SA 5095
> AUSTRALIA.
>
>
>
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