Try http://www.syfer.com/ta_02.htm I'll send a few more if I find the docs. > -----Original Message----- > From: Mary L. Sugden, C.I.D. [SMTP:[log in to unmask]] > Sent: Wednesday, August 22, 2001 10:22 PM > To: [log in to unmask] > Subject: [DC] Capacitor Cracking > > To: [log in to unmask] Attn: Designer Council Forum > > From: Mary Sugden At: [log in to unmask] > > Date: August 20, 2001 Subj: Capacitor Cracking > > Hello PCB Lovers, > One of our colleagues is experiencing a "capacitor cracking" > problem and needs technical reports, articles or any other > type of information you may have on the causes and > preventions. Some possibilities are; > > Absorbed moisture? He does not know if the caps > are maintained in humidity proof packaging. > > Absorbed moisture? Boards are washed after first > soldering then subjected to a second loading & > soldering. > > Handling Abuse? The cracking seems to be limited to > capacitors in specific areas near the board edges > and tooling holes. > > He does not have an assembly flow map so troubleshooting the > problem is difficult. Our friend needs all the help he can > get. Please send whatever you can. > > As you can imagine, he does not want to post his company's > name and have it broadcasted with this problem. He says, > "Business is slow enough as it is." Please send the info > to me and I will pass it on to him. He will contact you > directly and express his deep appreciation. > > > Best Regards, Mary > > -------------------------------------------------------------------------- > ------- > DesignerCouncil Mail List provided as a free service by IPC using LISTSERV > 1.8d > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF DesignerCouncil. > To set a vacation stop for delivery of DesignerCouncil send: SET > DesignerCouncil NOMAIL > Search previous postings at: www.ipc.org > On-Line Resources & Databases > > E-mail Archives > Please visit IPC web site (http://www.ipc.org/html/forum.htm) for > additional > information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 > ext.5315 > -------------------------------------------------------------------------- > ------- --------------------------------------------------------------------------------- DesignerCouncil Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF DesignerCouncil. To set a vacation stop for delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------