Electronics Forum | Thu Jun 17 16:18:22 EDT 1999 | Earl Moon
| | Has anyone had problems with the Weller MT 1500 IRON/TIP solder station? | | Please advise your problem and resolution. | | | | ddj | | 6/16/99 | | | I don't like to use the needle tips (MT2 series), but the rest of the tips work fine. The MT2
Electronics Forum | Fri May 28 17:44:51 EDT 1999 | Glenn Robertson
| I discovered that we have some gold plated (30 mico in.) through hole connectors which were Paste In Hole soldered (60 sec at reflow) on a HASL PCB. Do we have an embrittlement reliability issue? The calculated volume % of gold in the joints is abo
Electronics Forum | Fri Oct 16 14:36:11 EDT 1998 | Jeff Sanchez
| With current soldering of stranded wires to pcb assy's the wire tends to be very brittle and can break with very little movement of the wire. We use a low residue cored wire. Anybody with advice or who has seen a similar problem/knows how to overco
Electronics Forum | Sat Aug 22 12:18:12 EDT 1998 | Tryin'
| Board shops and us, the user, have a lot on our hands. As far as getting traces - this is done using an etch resist before solder mask and the HASL processes are performed. So when in the process is HASL performed?? | With tin/lead plated boards,
Electronics Forum | Mon Jul 20 15:11:34 EDT 1998 | Scott McKee
| QFP's are best left the professionals. There are MANY subtle issues with fine pitch lead forming such as critical tool design issues ability to check critical dimensions etc. Unless you want to replow this grown in hopes of getting a promotion or
Electronics Forum | Thu Jul 09 21:04:50 EDT 1998 | Dave F
| Hi there, | I am looking for some informations concerning the shear or pull strength of a typical TQFP 20 mils leads in relationship with the Copper/Tin intermetalic layer thickness. Could anyone help? | | Thank in advandce. | rgs, | chiakl Chiakl
Electronics Forum | Sun May 24 08:24:29 EDT 1998 | Dave F
| | My question is: How does one recognize paladium leads so that the profile can be set properly? | | Dave F | Hi Dave, | It's kinda' subjective, but what I think it looks like is almost like having a nickel appearance to it, it's smoother and
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 Dec 07 15:23:27 EST 2001 | davef
I'm with Brian. TIN COATED 0603 FAILURES Welcome to the lead-free generation. ;-) The Eurolanders are so blanking stupid, it just makes my head hurt. But then again, it doesn�t take much. OK, enough pontification. Your profile is setup incorrec
Electronics Forum | Mon Dec 24 01:43:34 EST 2001 | sanmatech
Recently started running flex board with tin lead connectors. The problem being that when we receive the parts incoming connectors are all bright and shiny. Now after going thru the heller we encountered cold solder. At this time peak temp was at 186
