Electronics Forum | Thu Feb 17 15:54:35 EST 2005 | JB
Most of our profiles are a variation of one another. Depending on the thicknes and density of the PCB, we make the nescessary changes and then we profile it, to make sure it meets our specs. Check this out: http://www.smtnet.com//forums/index.cfm?
Electronics Forum | Fri Feb 18 03:52:44 EST 2005 | abhirami
Lead Free Ball Grid Array packages are expected to be increasing the shipment numbers by 2006. How many guys out there are familiar with the lead fee BGA's and the associated processes? Can some one tell me who is the best and low cost supplier for t
Electronics Forum | Wed Mar 30 01:01:10 EST 2005 | vicknesh28
All, Has there been any finding from the component point of view in terms of non wets after reflow and if yes, can anyone share what was improved on the component to reduce the non wet defective levels. What would be the contribution from the compon
Electronics Forum | Fri Feb 25 15:08:30 EST 2005 | jdengler
John, We tape (usually high temp tape) flex to a fixture (usually 0.090" piece of bare FR4). We make an outline on the fixture to get a rough location then use fiducials on the flex for alignment. Print, place, reflow, cool, remove flex. When the
Electronics Forum | Sat Mar 05 22:57:32 EST 2005 | gpaelmo
This has been our practice and its worked well: SMT process-QC/Touch-Up-Assembly. We have dedicated QC/T-Up after reflow trained under IPC requirements. They do the SMT inspection and ONLY touch-up if necessary. This way we never have to inspect SMT
Electronics Forum | Wed Mar 02 04:52:42 EST 2005 | GV
Cookson solder paste 256 seem to be a good and very active no clean solder paste. We have some good experience. We did not bother to evaluate oters since we have had good results with this solder paste. May be you can try. Most important is the reflo
Electronics Forum | Fri Mar 11 03:23:58 EST 2005 | py (france)
ken, in order to improve the wettability I suppose.... But it seems that jimk wants N2 for the reflow owen even if he does not need N2... ==== jimk: see air-liquide, linde gaz, and praxair , you can by N2 liquid in tank , or any other conditionnemen
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 | 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
Electronics Forum | Thu Apr 07 10:39:36 EDT 2005 | geb
I have a BTU International VIP98 reflow oven, running WINCON Version 2.00C on Windows 98. The light tower only lights green when the oven reaches temperature, and the other colours never light up. Do you know how to set the other colour lights to tu
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