Electronics Forum | Fri Jun 11 11:36:23 EDT 1999 | John Hardy
Our company is experiencing cracked caps at our pick and place operations. The caps are being placed onto epoxy dots for subsequent wave solder operations. At present, be have set the pressure of the head at 2 in/lbs. This being down from manufactu
Electronics Forum | Wed Jun 02 06:53:44 EDT 1999 | Earl Moon
| I need to perform shear tests on components that have been glued prior to wave soldering. Can any one recommend a shear tester and some standardized info on testing? We have had problems with poor glue bonds and would like to implement a test met
Electronics Forum | Tue Jun 01 07:17:00 EDT 1999 | Vinesh Gandhi
Dear All, We are a medium sized sub contract manufacturing house, engaged in high mix, medium volume production. We are using no clean as well as Aqueous cleaning process. we are planning to buy a new wave soldering machine out of the following op
Electronics Forum | Thu May 13 16:16:33 EDT 1999 | Chrys Shea
Hi Guys, I am going to be graced with the good luck of processing microBGA's in the near future. A bit of a step forward from printing 20-mil pitch and wave soldering 0805's, wouldn't you say? So, any of you folks who have already experienced this
Electronics Forum | Mon Mar 08 10:02:11 EST 1999 | Steve Beck
Hello; I am looking for general info on backplane assemblies. Any info would be appreciated, but some of the questions that come to mind include: -What part types other than connectors do backplane cards have on them? SMT? Leaded? Quantity? Is
Electronics Forum | Wed Feb 24 12:25:14 EST 1999 | Mark Milward
I'm trying to get a feel for what the industry is doing with regards to collecting assembly defect data in the SMT/PWA process. Is it sampling or 100%? What are the points within the process where critical assembly defect data is collected. We run a
Electronics Forum | Thu Mar 04 14:20:48 EST 1999 | Greg Valdman
| For as much as you can minimize bridging in these condition by changing board orientation, the only way to eliminate them may be to add debridging airknife tech to your system, or purchase a system that is fitted with this technology. We have been
Electronics Forum | Tue Jan 12 17:10:09 EST 1999 | C.K.
Hi Folks. Has any Process Engineer here done a complete evaluation or controlled experiment for VOC-FREE Flux? Our goal here at CEBUKid, Inc. is to implement a VOC-FREE process. We have all the necessary (OPTIFLUX) spray equipment, and we're curre
Electronics Forum | Tue Dec 29 17:29:46 EST 1998 | Dave F
| can some kind of through hole type connector pass through | the smt process (with IR technology)???? | the temperature factor or material factor????? | Flag: Most PTH components are not spec'd for reflow processes. PTH component suppliers, nomin
Electronics Forum | Mon Nov 30 23:45:20 EST 1998 | Kallol Chakraborty
Hi folks , Lately we are seeing a lot of rawcards with black spots on the pads - most of them have Au finish(immersion gold) . We did a lot of inspecton after wave solder and found that only (fine pitch) QFP are affected the most. Our inspection /te
