Electronics Forum | Thu Jun 18 22:25:24 EDT 1998 | Dave F
| | | | | We're running into problems with board damage (broken traces, solder shorts) due to pliers and other bizarre tools being used for depanelization. I need some sort of fixture for this. A delrin plate with a slot cut to the correct depth and
Electronics Forum | Wed Jun 03 11:17:17 EDT 1998 | Brian Stumm
If your board is single sided you should convey it on a mesh belt conveyor. Unfortunately most assemblies these days are double sided which makes it difficult to convey on the mesh belt. Plus with the increasing population on SM boards the weight is
Electronics Forum | Wed Jun 03 14:37:53 EDT 1998 | Anthony
I really appreciate everybody taking the time to help me out with this problem. I'm going to run your input by the design engineer, after that I may be taking you up on that offer to contact you Earl. Again; thank you! Anthony | If your board is si
Electronics Forum | Fri May 29 16:07:55 EDT 1998 | Steve Gregory
| | Thanks Steve- | Here is the whole story: | | The solder balls are appearing all over, similar to a | splatter. They are relatively small. We are using H-Technologies | S-HQ no-clean solder paste. The stencil is 6 mil and the boards | are ru
Electronics Forum | Wed Jun 10 17:30:44 EDT 1998 | FAC
When creating part data�s for BGA or QFP style components, the line scan camera will be utilized (Camera No. 4). Using a Single nozzle type placing head, a nozzle capable of sufficient vacuum, and front lighting the part can achieve placement of a 74
Electronics Forum | Tue Apr 21 20:58:11 EDT 1998 | Steve Gregory
Mike wrote: ...I did buy "Surfboards" built for this purpose but they averaged about $5.oo a piece, and when your running 20 trainers, and they still have to be soldered in place. $5 a test is kinda high when evaluating a 32 cent chip...(snip) Hi
Electronics Forum | Fri Apr 10 20:35:59 EDT 1998 | Steve Gregory
| | We are having a bridging problem with SOIC 14,16 and 20 pin devices during flow solder of the bottom side of our boards. This bridging occurs about half way up the lead between the board and the body of the IC. The chip parts are no problem. T
Electronics Forum | Mon Apr 13 08:42:32 EDT 1998 | Bob Silveri
| | | | We are having a bridging problem with SOIC 14,16 and 20 pin devices during flow solder of the bottom side of our boards. This bridging occurs about half way up the lead between the board and the body of the IC. The chip parts are no proble
Electronics Forum | Tue Mar 17 11:32:35 EST 1998 | Earl Moon
| | Children, | | Let's stop the squabbling. SMTNET is here for us to use. It may run slower but it is still a very effective and necessary tool. It's amazing, as we progress further into the information age, we become spoiled and frustrated about
Electronics Forum | Mon Mar 09 10:12:43 EST 1998 | Justin Medernach
| Cold Welding | I'm presently doing a project on reflow profiling. | I came across this expression. Can someone please give me a definition. | Best Regards | Tom Mc Grath Tom, I think what you are referring to is also called cold solder. You have
