Wrong. There will be no whiskers after it has gone through the wave. Bogert wrote: > > Wrong. Pure tin will grow tin whiskers. > ----- Original Message ----- > From: "Brian Ellis" <[log in to unmask]> > To: <[log in to unmask]> > Sent: Thursday, October 25, 2001 3:36 AM > Subject: Re: [TN] Adjusting the alloy composition in the solderpot > > > Here's an interesting thought: > > > > If we ask all the component manufacturers (incl. bare boards) to use > > pure tin for their lead coatings etc., instead of tin/lead, this would > > a) satisfy the lead-free guys > > b) help keep the proportions right in the solder pot > > > > Right? > > > > Brian > > > > "d. terstegge" wrote: > > > > > > Hi Technet, > > > > > > I just received an analyses report for our solder bath composition, and > my Sn level is at 61.5 percent instead of the nominal 63 percent. This is at > the edge of the J-STD-001C specification, so I'll have to add some pure tin > to the pot. > > > Last time was many years ago, and unfortunately I forgot the formula for > calculating the amount of tin to add. > > > It can't be that difficult, but I thought it would be quicker to ask. > > > > > > Thanks, > > > > > > Daan Terstegge > > > SMT Centre > > > Thales Communications > > > Unclassified mail > > > Personal Website: http://www.smtinfo.net > > > > > > > -------------------------------------------------------------------------- > ------- > > > 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 > --------------------------------------------------------------------------------- --------------------------------------------------------------------------------- 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 ---------------------------------------------------------------------------------