Ted, The information you gave below is a little dated, please update your files relative to PWB Interconnect Solutions Inc. Phone 613-596-4244 Fax 613-596-2200 URL wwwpwbcorp.com Best Regards, Bill Birch PWB Interconnect [log in to unmask] Phone 613-596-4244 Ext 101 > -----Original Message----- > From: Edwards, Ted A (AZ75) [SMTP:[log in to unmask]] > Sent: Wednesday, May 02, 2001 6:31 PM > To: [log in to unmask] > Subject: Re: [TN] IST - what is it? > > It checks the integrity of the plated through holes and what their life > will > be. Talk to Bill Burch at PWB Interconnect 819-684-9849, he is both the > machine builder, offers testing, and the recognized expert on the subject. > There is also an IPC-t-650 method for the testing plus will soon be a > technical report from the IPC on IST. The web site is > http://www3.sympatico.ca/gerard.gavrel/ist.htm > > > -----Original Message----- > > From: Gen Gibbard [SMTP:[log in to unmask]] > > Sent: Wednesday, May 02, 2001 3:01 PM > > To: [log in to unmask] > > Subject: [TN] IST - what is it? > > > > Hi, I know that an IST test can be performed on an ENIG finish board, > and > > I > > know it stands for Interconnect Stress Test. I also know that it > involves > > current pulses for the purpose of thermal cycles on the PCB. > > What I want to know is, what is the purpose of it? What does it tell > you > > about the PCB? > > > > Also, I wanted to know what type of tape is used to perform a tape test > on > > an ENIG board to check for black pads. We just got some sample boards > of > > ENIG finish and want to perform some in house tests. We normally get > HASL > > finish on all our PCB's but realize that the industry is slowly moving > > towards other finishes in order to, amongst other reasons, get rid of > > lead. So to be proactive we are starting to evaluate alternatives. > > > > Thanks for your time. > > > > > -------------------------------------------------------------------------- > > ------- > > Technet 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 Technet > > To temporarily halt delivery of Technet send the following message: SET > > Technet 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 > > > -------------------------------------------------------------------------- > > ------- > > -------------------------------------------------------------------------- > ------- > Technet 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 Technet > To temporarily halt delivery of Technet send the following message: SET > Technet 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 > -------------------------------------------------------------------------- > ------- --------------------------------------------------------------------------------- Technet 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 Technet To temporarily halt delivery of Technet send the following message: SET Technet 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 ---------------------------------------------------------------------------------