Electronics Forum | Mon Jul 07 00:45:39 EDT 2014 | comatose
If you study how the process is done now, it isn't that different from what you describe. Instead of glue, we use solder paste, and instead of spraying it we screen print it. But not that different. For feeding boards we use conveyors instead of rubb
Electronics Forum | Thu Jun 25 14:33:51 EDT 1998 | Chry
| Hi there Chris! | Are the leads you talking about fine pitch? Is the complete fillet attached to the foot, with it being cleanly separated from the pad? I bet if you look at the board there will be via's really close to the pads at the location
Electronics Forum | Tue Jun 13 09:14:37 EDT 2006 | samir
As I mentioned in another thread, I've always been one to flux the living crap out of a board until the ICT guys start yelling at me, which actually did happen last week. I had a little oriental guy (an immigrant to Riyadh from Vietnam), clicking an
Electronics Forum | Thu Apr 29 10:02:07 EDT 1999 | Chrys Shea
| Anyone using hot air nife for wave soldering process. | Does it work? | Does it really eliminate solder bridging and does it create any other problems? | | any feed back will be much appriciated. | | Thanks | | Tony A | | Tony, The hot knif
Electronics Forum | Fri Oct 23 16:01:18 EDT 1998 | Earl Moon
| I need some info on how to stop the bridges I'm having on | radial and axial parts that are in the same place on every board. I'm also having problems with sot-25 bridging. I'm using a Electrovert E-pak. I tried leveling the machine,solder pot, an
Electronics Forum | Sun Dec 25 18:54:04 EST 2005 | mariss
We are experiencing fracture problems with 0805 X7R capacitors. The capacitors seem to fail in tension; during hot-air rework they come apart in two pieces with the fracture near the metallization end. Only X7R SMT components are affected, C0G and Y
Electronics Forum | Fri Jun 07 10:28:23 EDT 2013 | danselness
We use a Wave Solder Plated Through Hole (PTH) assembly process to install a TO-220 Chip Package in the PCB board that we manufacture and have experienced lower yields on a number of boards with this component due to Bridges. The bridges on the TO-22
Electronics Forum | Thu Apr 05 12:25:17 EDT 2001 | Adam
The Solderballs are on the botton side of the board.The solderballs are concentrated around through hole edge connectors, which have a Tin/lead finish and have lead pitch of 2.5mm, on top of this, random solderballs are occuring around test points. T
Electronics Forum | Fri Jun 25 16:54:25 EDT 1999 | C.K.
| | | Dear John/Earl | | | | | | Thanks for your clarifications. To me also the problem does not seem to be linked with the PCB. The Pre heater temp. is set at | | | 450 degree C. We are using Alpha Aq. cleanable flux. Can you elaborate on the
Electronics Forum | Sun Jun 20 16:58:31 EDT 1999 | Chrys Shea
| Has there anyone bold enough to try this in their shops? My cubemate just got through telling me that at his last shop, they had bare copper boards (no HASL, no OSP, no nothing), with minimal solderability problems. | Is your cubemate the same gu
