Electronics Forum | Thu Dec 18 14:44:59 EST 1997 | Scott Cook
No problem..... > No; the last time I used the process was 1983. > Yes, and in your neck of the world, I'd bet you're looking at Flutec products.....(I used PP11 juice way back in 1979). > I would dispute this. I did EXTENSIVE testing for thermal eff
Electronics Forum | Fri Oct 05 08:35:52 EDT 2001 | Hussman
Hey Steven, Achieving the proper profile like you described does require you to engineer proper conveyor speeds and zone temps. Most conveyorized ovens have the inside of the ovens divided into zones. Each zone has a top and bottom heater that can
Electronics Forum | Mon Mar 08 15:17:50 EST 2004 | Robert
Need some suggestions on oven profile. I run a BTU VIP98 oven. Has 7 zones, convention heat and all. My profile goes (in Celcius) 150/160/170/180/205/215/180 moving at 28in/min. Roughly 5 minutes from start to finish. I use Kester 256 solder and my b
Electronics Forum | Tue Oct 30 06:20:58 EDT 2007 | aj
Hi All, I would appreciate some advise with regard to Leadfree settings for a 5 zone reflow oven. I have a 35mm square BGA 672 pin on board. I am struggling to get the Delta T down to 2 degrees C . I have 5 Thermocuples drilled up from the bottom a
Electronics Forum | Wed Sep 16 15:12:08 EDT 2009 | squid
hi i have just brought a hot air rework station to remove a gpu on xbox 360 i have removed the chip but three of the pads have gone a brownish color and seem like solder will not stick to them ,does this mean the chip is ruined ? ,if so is it becaus
Electronics Forum | Fri Aug 31 13:51:33 EDT 2012 | joeherz
First off - There should be no issue with washing your OA/water soluble boards with the other customer's no clean units provided that the recipe being used has been validated to effectively clean each product. If your supplier is using a batch syste
Electronics Forum | Tue Jan 02 14:50:37 EST 2001 | fmonette
Dear Vicki, If you decide to use high temp paste, I suggest that you verify the rating of the components, especially for moisture-sensitive devices which are normally qualified at peak reflow temperatures of 220-235C. The specified floor life will
Electronics Forum | Sun Nov 14 20:52:38 EST 1999 | chartrain
What is your definition of a lot of money for a UPS? You mention very expensive components on your boards. What is their worth comapred to the UPS? A generator hooked to the conveyor would in theory work. but what is the cost of the generator? Who wi
Electronics Forum | Mon Jun 28 12:51:08 EDT 1999 | Scott Cook
| Anyone having any conveyor rail shaking on Electrovert wavesolder machine model "Electra"? The conveyor shakes more with a pallet passing through the machine, particularly when the 20" pallet is passing from spray fluxer to the first pre-heater. He
Electronics Forum | Sat Jun 19 11:44:00 EDT 1999 | Vic Lau
Do anyone have any experience on assembling high frequency product, 1.8GHz or 2.4GHz. In our production line, we manufacture 1.8GHz product with using no clean paste (RMA type) for reflow and no clean wire for rework. In our functinal test,either at
