Electronics Forum | Wed Mar 21 11:42:54 EDT 2012 | davef
Downhole solder suggestions, in order of preference are: * Kester Sn96.3Ag3.7. Most vendors do not stock straight tin-silver alloys, whose wallet is that fat? * SAC305 can usually be used in place of one of the copper-free tin-silver alloys in downho
Electronics Forum | Thu May 06 08:59:25 EDT 2004 | davef
Even with PbSn solderpaste the leadfree BGA's have a superior resistance to solder-joint fatigue failure when compared to conventional parts. [Solder Fatigue Reliability Issues in Lead Free BGA Packages, Pedro Chalco of IBM, Pan Pacific Microelectron
Electronics Forum | Mon Sep 29 10:04:40 EDT 2008 | illheader
Has anyone used lead free 99C bar solder/paste? Looking for more information other than what the manufacturers give you. Thanks
Electronics Forum | Wed Oct 10 02:04:10 EDT 2007 | omidjuve
hi we use a no clean solder paste with the sn63pb37 alloy and our high frquency board doesn`t have any problem in test but after this product is finished now we use 2 different solder pastes 1. sn62 pb36 Ag.4 RA tape 2. NC type lead free with Ag i
Electronics Forum | Wed Jun 02 05:40:35 EDT 2004 | johnwnz
Is there not an issue with reflowign the SAC ball's in term's of drivign up the lead contect in a lead free joint that increases the risk of failure in them? certainly dramatically increases voiding... have some pictures of soem that a customer tried
Electronics Forum | Mon Apr 07 19:12:13 EDT 2008 | kircchoffs
can we use the expired solder paste and put in a solder pot of wave machine?
Electronics Forum | Mon Jan 10 03:11:11 EST 2000 | Wister
Hi,how to control the solder paste,condition as belows? place at room temp.or put it into refrig.again if the unopened paste has been warmed up 8 hours but it would not been used at once in case of schedule changing.Assuming that this solder paste wi
Electronics Forum | Tue Sep 22 10:05:00 EDT 2009 | roland_grenier
Does anyone know how to calculate solder paste volume required to run a PCBA on an SMT line? I'm looking for a solder paste volume model which include paste waste. Roland
Electronics Forum | Tue Jul 18 18:08:08 EDT 2023 | davef
Vote for: JBC DPM Paste Dispenser Manual Also consider: Metcal 910-MSG Manual Syringe Gun-Kit Spoty micro-dot solder paste syringe dispenser [ https://www.tindie.com/products/avandalen/spoty-micro-dot-solder-paste-syringe-dispenser/ ]
Electronics Forum | Sun Feb 27 13:42:44 EST 2005 | pmdeuel
So true, We had paste flux supplied to us from Alpha metals. It was the same as used in the solder paste. The major problem we noted was the in ability to control the ratio of paste to flux resulting in lots of voids. When we mixed enough to get the
