Electronics Forum | Fri Aug 28 23:32:39 EDT 1998 | Pete Sorenson
| Does anyone have any experience they are willing to share on Ag epoxy used as a copper through hole plating replacement? Was CEM3 used? | What are the limitations? | Thanks, | Steve I have used silver epoxy extensively for conductive bonding applic
Electronics Forum | Mon Aug 24 08:34:14 EDT 1998 | JUSTIN MEDERNACH
| Hi, | Does anyone has experiences in reflowing Ceramic BGA and found solder wicking ? Solder wicking has the syndrome that solder being wick from the pad and ended up in the leads. | We have rule out the possibility of not printing any solder paste
Electronics Forum | Fri Oct 16 07:06:10 EDT 1998 | Gerry Gillies
In the past year I have introduced a component reclaim process. There are a number of machines on the market, though it's true that reclaim is still a fairly labour intensive activity. We have had good results with a German machine manufactured by Ro
Electronics Forum | Wed Aug 12 00:16:43 EDT 1998 | Ron Costa
Hello everyone, I am currently running a gold plated SMT board and am experiencing tiny solder balls between the pads and the masking between the 20 mil pitch devices. I'm looking at these boards with a 60x microscope. IPC-610 say's any visible solde
Electronics Forum | Tue Aug 04 16:30:36 EDT 1998 | Jim Price
| I am considering of Philips FCM for the next production. | But I have heard a rumour saying this machine is not capable for checking the lead polarity due to the laser scan system. | i.e. SOT might be populated in wrong direction. | Can somebody ad
Electronics Forum | Mon Jul 20 12:58:51 EDT 1998 | Dew Lolly
QFP's are best left the professionals. There are MANY subtle issues with fine pitch lead forming such as critical tool design issues ability to check critical dimensions etc. Unless you want to replow this grown in hopes of getting a promotion or c
Electronics Forum | Wed Jul 22 20:46:13 EDT 1998 | Dave F
| Is there anybody with knowledge in the process with PHT components (Components with terminals) - Cause with make board with top and bottom side, with SMD and Auto Insertion Technology. So we want to do a Entire Cell with both technology, and witho
Electronics Forum | Wed Jul 01 11:33:30 EDT 1998 | Upinder Singh
Hi all. I am trying to put one 20 pin thru hole connector along with the smt components on the PCB. I would appreciate if somebody can guide me in getting thru this process. I also need to know how much bigger the holes on the screen or stencil shou
Electronics Forum | Thu Jun 25 10:05:05 EDT 1998 | Chris Sargent
I have got a strange problem with a customers board. The problem being that I have had a number of boards returned to myself for Dry Joints. When you examine the joints, the solder fillet is perfect, the only problem being that it is attached to th
Electronics Forum | Tue Jun 23 13:33:23 EDT 1998 | Ben Salisbury
| Ben: Nice answer, but what's a DOE? How do you run one? What other processes do you run DOEs on? Dave F DOE=Design of Experiment Tools used for DOE...Multi-Vari Charts,components search, Pair comparisons, Variables search,Full Factorials, B vs.