Electronics Forum | Tue Oct 26 13:45:19 EDT 2004 | vinod
Hi friends I am using Alpha Metal WS709 solder paste. I know the spec for this solder paste. It recommends straight ramp to 220 C at 0.9 degree/sec and TAL 75 sec.So I am looking between around 27-220 temp around 215 second. And time above 183 not to
Electronics Forum | Tue Oct 26 13:45:23 EDT 2004 | vinod
Hi friends I am using Alpha Metal WS709 solder paste. I know the spec for this solder paste. It recommends straight ramp to 220 C at 0.9 degree/sec and TAL 75 sec.So I am looking between around 27-220 temp around 215 second. And time above 183 not to
Electronics Forum | Wed Oct 27 09:39:54 EDT 2004 | loz
Hi all, been recently wave soldering some pcbs with no problems and have now noticed what looks like blue residues on some solder joints. We have been running this product for around six months and this is the first time we have seen this. It is rand
Electronics Forum | Wed Nov 03 09:42:31 EST 2004 | dramos1
Hi Simon, Thanks for the immediate reply. We really appreciate it very much. Currently, we are using Class 2 for the visual inspection criteria of our telecom boards. In IPC-A-610 Rev. C criteria, there are TARGET, ACCEPTABLE and REJECT criterias.
Electronics Forum | Thu Nov 04 09:00:01 EST 2004 | russ
As stated by others you are out of IPC compliance, However, There are allowable deviations to the standard as long as the purchaser and manufacturer come to agreement that the non-conformance will not affect form fit or function. I would recommend
Electronics Forum | Tue Nov 09 10:44:13 EST 2004 | russ
I guess i might want to throw this in for future reference. After speaking with our board supplier he states that this mask is fully cured when it reaches approximately 180C. I beleive this since we usually probe the repaired area after putting the
Electronics Forum | Tue Nov 09 16:12:17 EST 2004 | davef
Thermally conductive epoxies are rarely used to hold components in-place. They are more likely used as fillers between two surfaces. Yes, single part glues without an activator are available that are suitable for screen printing or dispensing. Som
Electronics Forum | Thu Nov 11 23:09:35 EST 2004 | valuems
Hello There is several items that could cause this problem. And ken don't ever try to upgrade any software unless you are real sure that you have every thing on the hard drive backed-up. MPM just loves to sell the 2D codes over and over. There i
Electronics Forum | Thu Nov 18 16:09:12 EST 2004 | ms
Hi Everyone. Are many of you using Bravo 8105 reflow ovens with chiller units? What have your experience been like with them. Are they reliable? If you had the choice would you get another? Is having them an advantage with lead free production?
Electronics Forum | Mon Aug 22 08:09:51 EDT 2005 | cyber_wolf
The only time I have seen any Fuji IP need calibration is if you have had a serious crash, or if an axis or camera has been removed. Make sure you don't have something else going on. For instance check these things: 1.Check nozzle vacuum 2.Make sur
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