Electronics Forum | Thu Feb 28 20:55:31 EST 2002 | djarvis
Hi Nightbull, I'm with Dave. Don't see the need. Good stencil, good operator, reasonable machine with at least manual vision alignment, good set up, solder paste that satisfies you and the customer, regular maintenance, and how can you go wrong? As
Electronics Forum | Fri Sep 20 17:41:09 EDT 2002 | davef
Neither. It would be better if the person posting thread said, "I searched the fine SMTnet Archives, but couldn't find an answer to my question. Now, here's what I'd like to know ... " Barring that, it would be better to start a new thread, becaus
Electronics Forum | Fri Oct 18 16:24:05 EDT 2002 | russ
Big BIG BIGG wave with a lot of preheat capability both top and bottom. You may need to exceed the standard "100 C" top side preheat to 120C or so (be aware of any topside SMT going into reflow over the wave). A spray fluxer with very fine atomizati
Electronics Forum | Mon Dec 23 17:24:59 EST 2002 | davef
Guessing at the meaning of your description of �res., fmf, .100, 3010, 1, S�: * res - Resistor * fmf � �mf� tells you �metal film� �fmf� tells you �flame metal film� type * .100 - Precision tolerance 0.1%, although it could be power rating. * 3010 �
Electronics Forum | Fri May 09 10:29:23 EDT 2003 | k_h
72 different part numbers, 53 being 8mm, remainder being 12-44mm and 3 tray. It may be low but anymore than 100 and you give up throughput because of feeder locations. And thinking about it, 70-90 is low for a low volume high mix line. I guess if I w
Electronics Forum | Mon May 12 10:14:04 EDT 2003 | gregp
Hello Stefan, Thank you for your reply. I see now that manufacturers are aware that this kind of thought process is necessary for the bottom line profit. It is also true that one can be "seconds wise and minutes foolish" in the process. I read with
Electronics Forum | Thu Jun 05 16:44:19 EDT 2003 | blnorman
The data we have is from an IBM report. Below 100�C the SAC reliability is almost double that of SnPb (-40 to 100�C thermal cycle). When the upper end temp is increased to 125�C the reliability drops to 75% of SnPb. I'd like to see the data that s
Electronics Forum | Wed Jun 25 18:17:48 EDT 2003 | Brian W.
Water soluble pastes generally work best with a ramp-to-spike reflow profile. Check your paste manufacturer's recommended profile. There are many factors that impact your profile; board thickness, component density, buried thermal masses, board si
Electronics Forum | Fri Oct 21 01:50:54 EDT 2005 | Jesse Mullen
Hi, i was just browsing the net i seen your post. I offer laser transfer machines that can transfer full color on just about any type of material. For more info go to http//ia.local.yahoo.biz/fullcolorgraphics also you can e-mail me, i mainly do prod
Electronics Forum | Tue Feb 01 09:21:36 EST 2005 | TomA
I looked breafly at this alloy. My concern was that I had already implemented a SAC 305 alloy at SMT. So any of my mixed technology projects would one alloy (SAC 305) on one side (topside) and a different alloy (SN100C) on the bottomside. Most articl
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