Electronics Forum | Thu Apr 09 13:57:33 EDT 1998 | Mike C
| I am currently involved in a reliability project related to SMT QFP and TSSOP fine pitch solder joint reliability. I have decided to use a temp chamber for stress testing. Is there a test standard that covers this? I am also a bit unsre as to wheth
Electronics Forum | Thu Apr 09 14:05:54 EDT 1998 | Earl Moon
| | I am currently involved in a reliability project related to SMT QFP and TSSOP fine pitch solder joint reliability. I have decided to use a temp chamber for stress testing. Is there a test standard that covers this? I am also a bit unsre as to whe
Electronics Forum | Tue Apr 07 09:51:31 EDT 1998 | Gary Simbulan
Good Morning everyone. Per repeated suggestions I have been reading back issues of SMT and Circuits Assembly magazines. I have just read an article concerning selective wave soldering which I understand is to be used when active SMTcomponents are a
Electronics Forum | Mon Feb 23 10:39:37 EST 1998 | Igmar
| I have been involved in SMT for only a few months so I am coming from a position of extreame ignorance. I have been asked to investigate the differences in soldering to components with Paladium coated leads vs the standard Tin_lead. I would appre
Electronics Forum | Fri Jan 16 23:33:32 EST 1998 | Scott
| Is there any way to implement SMT at home? | I want to assemble a prototype board of mine. | How can I hand-solder a 208-pin 0.5 mm lead | pitch PQFP -- lead-by-lead (the usual way), | or side-by-side (partial heating method)? | Alas, no SMD rework
Electronics Forum | Fri Jan 16 23:46:38 EST 1998 | Scott
| I have a problem! The solder on my pc boards look great comeing out | of my reflow oven. They go thrue the rest of the prossese | and at the end at the qc station it's cold or whitish or gray not shiny. | does any one have a idea on how to correct
Electronics Forum | Wed Jan 14 18:47:55 EST 1998 | Graham Naisbitt
Jerry This is the classic "White powder phenomenon" a little like the X files - loads of information but who do you trust? I know that GEC Hirst Research in the UK, identified over 16 different white powder residues so it is not an easy subject. Plea
Electronics Forum | Wed Jan 14 08:16:13 EST 1998 | Allison
I gleen from your post that this assembly is mixed technology. You may have a compatibility problem between the flux in your wave solder machine and the flux in your solder paste. Check with the manufacturer of each and see if they interact. | I ha
Electronics Forum | Thu Jan 15 15:15:25 EST 1998 | justin
| I gleen from your post that this assembly is mixed technology. You may have a compatibility problem between the flux in your wave solder machine and the flux in your solder paste. Check with the manufacturer of each and see if they interact. | |
Electronics Forum | Mon Dec 29 14:42:00 EST 1997 | justin medernach
| Hello all, | I have experienced broken ceramic SMT parts. Most of the time, | we have found fractured inductive beads. Once in awhile, we find | broken Ceramic Caps. All parts we use are 1206 form factors and | we use tape and reel... | Michael
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