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. > > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 1.8e > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > for additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 1.8e > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 > for additional information, or contact Keach Sasamori at [log in to unmask] or > 847-615-7100 ext.2815 > ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------