Electronics Forum | Tue Feb 23 09:21:15 EST 1999 | Steve Schrader
| During inspection and test we find leads which do not get soldered. Some are because of insufficient paste, but with others everything looks right. This will only happen on 1 to 2 pins, and it is not isolated to a specific type of ic or location o
Electronics Forum | Tue Feb 23 09:09:34 EST 1999 | Steve Schrader
| What to look for that causes tombstoning and the corective action. | Check your land-patterns. If they do not meet IPC standards, change your CAD libraries to IPC (or some other industry accepted standards such as SMTPLUS). If you have "home-gr
Electronics Forum | Thu Feb 18 12:56:18 EST 1999 | Bob Barr
We are using .040" diameter fiducials (global and local) on our boards. They are solder covered and HASL. I get batches of boards where the p&p vision system has trouble reading the fiducial. The fiducial looks dark on the screen. The board vendo
Electronics Forum | Thu Feb 18 11:11:06 EST 1999 | Brent Merryman
I am working on a project for one of my classes. Currently our group is looking at the fuji Qp-242 surface mount machine. The problem that we are focusing on is how to minimize dowtime of this mahcine. When the Qp-242 runs out of parts all modules
Electronics Forum | Wed Feb 17 20:27:45 EST 1999 | Clifford Peaslee
To all, Registration will be up in beta on thursday morning. We will be monitoring very closely while we iron out the last few wrincles in the registration system, so if you encounter errors please email me so that I can fix the problem as soon as p
Electronics Forum | Wed Feb 17 17:21:10 EST 1999 | Kiet D
I'm qualifying Ablebond 8360 from Ablestik for hybird circuit assembly. Anyone has experience with this epoxy. In my preliminary experiment with this epoxy, I had a seperation problem with a 30 gauge needle which we are using for dispensing 84-1LMIS.
Electronics Forum | Thu Feb 18 17:15:24 EST 1999 | Jason Gregory
Check this company out....Winslow Automation. They have a real easy "preform" for reworking BGA's. You just wick the old solder off, flux the packages, attach an appropriate preform, reflow it with a corresponding profile, remove the water-soluble pa
Electronics Forum | Tue Feb 16 15:33:13 EST 1999 | Clifford Peaslee
| Cliff | | Each time I attempt to edit my account, or register the company, I get a failure message.... | | OOPPS type message. | | Wayne | If at first you don't succeed... try going to account manager home I am setting up the error scree
Electronics Forum | Mon Feb 15 15:43:06 EST 1999 | Dave Jurena
Hope some of you out there can help me with this one. I am getting feedback from our test department that they are showing opens on solder joints which have visually good wetting. The touch-up operators confirm that the joint looks good. All they do
Electronics Forum | Mon Feb 15 13:28:49 EST 1999 | Kris
| | Hello all, | | Looking for an automated device for straightening the leads of TSOPs and other gull wing devices prior to tape and reel or tray placement. | | Appreciate any help! | | Kris | | | Kris: Check: | | 1 SMTnet archives | 2 SESA 1700 W