Electronics Forum | Tue Aug 07 16:12:13 EDT 2001 | Michael Parker
In addition, consider: Solder paste selection, including clean or no-clean is also quite important. This can vary from application and is somewhat process dependant (what works best in the environment). Relow profile. A must for many reasons. And
Electronics Forum | Wed Aug 15 17:30:43 EDT 2001 | peterson
Hello All, We have an MPM 2000 screen printer. My question is this: we are having a stencil made that has both top and bottom side on a single foil. Our Process people are unsure if the machine parameters will allow it. The board size is 19x15. Can i
Electronics Forum | Fri Aug 17 10:01:50 EDT 2001 | Hussman
Howdy All, Just want to know if solder pre-form really work. Any pit falls? Looking to solder a through hole connector (70 pin) in a 0.062" PCB with 10 zone convection reflow oven. My biggest worry is getting enough wetting on both sides of the b
Electronics Forum | Wed Aug 29 11:09:01 EDT 2001 | rmerk
Dave, We are using tab nibblers right now, but they have a hard time with round boards. FKN has a model(N200) that shears the tabs off. The cost is fairly low(3K). I just wanted to know if there are any other brands out there that might work on rou
Electronics Forum | Tue Sep 04 11:09:25 EDT 2001 | blnorman
As the others have stated, moisture is the killer. You have to be sure no moisture is allowed to get to the paste. If it does, you'll get solderballs. I would suggest not using a vacuum. The solvents and other volatile components of the flux will
Electronics Forum | Fri Sep 07 17:50:46 EDT 2001 | ksfacinelli
I am just giving my experiences as I see them. I think it helps to hear what is and what is not working..in the future I will refrain from mentioning suppliers but the question was specific as to QUOTE:"Also, if there is a wash system you find satis
Electronics Forum | Mon Sep 10 08:42:18 EDT 2001 | caldon
How do these components come packaged? Bulk, Reel, Tray,.... Some of the work bench manufacturers have X-Y pick ups for manual assembly. These x-y pick ups should fit over an inspection conveyor. Sorry I am drawing a blank when it comes to manufactu
Electronics Forum | Tue Sep 11 10:18:03 EDT 2001 | davef
In line with the previous poster's comments, * BIG SMT EMI shields are tough to reflow. * SMT EMI frame and snap-in cover [after reflow] shields work fine. The SMT EMI shield design that we like the best is from Instrument Specialties, EZ Peel PCB
Electronics Forum | Mon Sep 10 16:07:37 EDT 2001 | johnw
Hi guys HELP!!!!!!!!!! I have been tasked with working out a chart to show calibration acCuracy and that my machines are in control I say to myself I know they are cause I have no misplacement of fine pitch but this is not good enough for my co
Electronics Forum | Wed Sep 12 08:22:52 EDT 2001 | pr
Last I heard DEK was coming out with a new Revision of Form Flex to address some of the problems seen on the old revs. You should contact Dek and see if they will replace your old ones with the new rev. When ot works it's a great tool.