Electronics Forum | Wed Mar 02 16:48:03 EST 2005 | davef
Try: * SMT-In-Focus SMT Failure Library http://www.smtinfocus.com/smt_failure_list.html * Bob Willis Defect Browser http://www.smtinfo.net/Db/_Bob%20Willis%20Defect%20Browser.html
Electronics Forum | Fri Jul 10 14:40:12 EDT 1998 | Bob Willis
Yes this can be a killer. Its caused by glues with a high water content or fast curing of glues. When you get solder going through the glue it is litterally sucked in during solder wave contact. If you have never seen it you would never believe it bu
Electronics Forum | Mon Jan 29 20:31:44 EST 2001 | davef
It's common. We've talked about it here several times. Hopefully the fine SMTnet Archive that are available are helpful. If there not talk back. Other sites that are sources of information are: * SMT Magazine * Bob Willis * Phil Zarrow * Amp[c
Electronics Forum | Fri Feb 13 16:48:15 EST 2004 | davef
Places to try are: * Most BIG-time manufacturers of SMT production equipment supply promotional vids to their potential customers. Consider contacting them. * BIG-time SMT training course givers may have suggestions. Contact: EMPF, Texas Engineeri
Electronics Forum | Mon Apr 28 09:34:37 EDT 2003 | davef
Double sided weight of component to total pad mating area ratio: 30 gm per sq inch (50 mgm per mm2) Go to the sites of these consultant-people for additional background [I'm not sure exactly where on these sites to look, but both are laden with goo
Electronics Forum | Mon Aug 19 20:45:31 EDT 2002 | davef
Bob Willis and Phil Zarrow have had a running commentary on the ability of reflowed solder to hold components on the bottom side during reflow. You can find references to their component weight to pad area rations in the fine SMTnet Archives. The
Electronics Forum | Fri Oct 15 16:47:18 EDT 1999 | Michael Bryant
Check out Bob Willis' Electronic Presentation Services Web site. They have a selection of electronics manufacturing wall charts and posters for sale. You might find what you're looking for there. http://www.bobwillis.co.uk/ Good luck.
Electronics Forum | Wed Aug 18 20:58:12 EDT 1999 | Dave F
| Is there process by which one can do a double sided reflow (SMT on both sides) in one pass through the oven? | Paul: Check Bob Willis' site (check the archives). Ta. Dave F
Electronics Forum | Fri Oct 12 14:52:35 EDT 2001 | Bob Willis
If you are looking for a engineer to support you activity please review my web page for information on the services offered. www.bobwillis.co.uk Many thanks Bob Willis
Electronics Forum | Sat Oct 18 08:28:16 EDT 2008 | davef
Our friend Bob Willis does a good job of reviewing books. Check his site. Here's another list http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=46719
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