Electronics Forum | Thu Mar 17 11:07:08 EST 2005 | Dougs
I'd agree with Justin, we do double sided reflow on most of our boards with fine pitch QFP's both sides, you do have a problem somewhere else, what size is you board? Is it warping slightly? What kind of oven are you using? Is it convection? fans
Electronics Forum | Thu Mar 17 13:03:21 EST 2005 | Slow Ride
When it comes to solder paste, you should worry about volume. Granted height is a part of the equation, but you could have perfect height and still get defects. I wouldn't get too wrapped up in volume either, unless you're evaluating stencil height
Electronics Forum | Fri Mar 18 15:02:07 EST 2005 | pmd
Please clarify, Z axis gears (Blades)? The MPM head I believe is what your are asking is driven up and down via a lead screw. The machine gets the zero point from the "HAT" tactile sensor in the table nest. When squegees are installed the blades are
Electronics Forum | Thu Mar 17 15:03:23 EST 2005 | debh
Has anyone ever tried to use "Reel Scan" (brand) barcoding with Juki machines. We currently have 730-2020 and 2050-2060 lines set up. Was wondering how the compatibility is. (I think I already know the 730 is out...) I'll be asking the vendor also, b
Electronics Forum | Fri Mar 18 03:53:16 EST 2005 | devilhitam
hi guys, I need a help here. Does anyone know what is the standard for coplanarity check for fine pitch IC that well practiced? I am using SIEMENS F5 for fine pitch IC placement.SIEMENS F5 do have the capability for coplanarity check. My customer re
Electronics Forum | Wed Mar 30 16:52:41 EST 2005 | chunks
Someone sells the T-couples that are in a rigid tube and the base attaches to the edge of the bord. They have an adjustment nut on em you can adjust to spring load the T-couple on the are you need. They do produce a wavey profile from the part expa
Electronics Forum | Sat Mar 26 08:30:01 EST 2005 | davef
Consider this: * SolderQuick Winslow Automation-type [ http://www.winslowautomation.com ] preform * When LGA first came on the scene, we didn't have a clue. After trying sockets, we printed paste on the pads bug-up, reflowed, and then the placed the
Electronics Forum | Thu Mar 31 07:23:14 EST 2005 | markhoch
Yes! I would like to see the pics. I've already been looking into the SolderQuick system that Dave has recommended, but my customer wants some with 63/37 balls and some SAC305. SolderQuick doesn't have any SAC305 alternatives available as of yet. Tha
Electronics Forum | Fri Mar 18 19:36:14 EST 2005 | Andrey
We have two proposals for purchase about multifunction machine. First � MPAV2B Panasert with full parts - vintage 2000 Second � QP-242E Fuji (4 Units) with Index BI-607x3 and single BS-607x1 modules � Vintage 1999. Please tell anyone if possible. Wh
Electronics Forum | Sat Mar 19 02:35:56 EST 2005 | bronco
Hello! My company is going to switch to leadfree production. We have Electrovert EconoPak Gold and EPM 420 ATX wavesoldering machines and Heller 1700W, Heller 1800W reflows. We are interested in a company (in Europe) which can modify our soldering i
