Electronics Forum | Wed Nov 11 10:08:38 EST 1998 | Magnus
| | Hi, | | We are having problem with yield loss due to electrical fail. Further investigation shows that the failure is due to solder bridging under BGA. Has been there any study or experience on how this could occur and what we can do to prevent
Electronics Forum | Mon Aug 31 10:16:52 EDT 1998 | Ray N. Lopez Mata
| | We are having a lot of problems with the Line Computer Speed on our Siemens Siplace Line. This seems to be a common problem when many different jobs, partnumbers, and package forms are stored on the line computer. | | Please let me know if you a
Electronics Forum | Fri Jun 19 13:40:25 EDT 1998 | Terry Burnette
| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike There has been a
Electronics Forum | Fri May 29 22:03:49 EDT 1998 | Tom Gervascio
| | Last week I posted a message on rotary chip waves that stated that the drive shaft had a protective boot around a u-joint that degraded and exposed the joint. | | Someone from the manufacturer read it and contacted me. He told me the problem has
Electronics Forum | Tue Jun 09 00:53:06 EDT 1998 | Dave M
| | | Last week I posted a message on rotary chip waves that stated that the drive shaft had a protective boot around a u-joint that degraded and exposed the joint. | | | Someone from the manufacturer read it and contacted me. He told me the problem
Electronics Forum | Tue May 19 08:48:05 EDT 1998 | Aric Parr
| | I am running boards with gold fingers on a pallet for | | masking purposes. The pallets worked fine for a while | | but know the gold fingers are getting solder on them. We | | have tried everythin: new pallets, cleaning the pallet | | and boa
Electronics Forum | Mon Mar 16 01:06:25 EST 1998 | Victor Ng
Dear all, Recently I have a problem of non-wetting at our wave soldering process. It appears only on the SMT pads for the chip components (at the solder side) of the HASL PCB. With all the same parameters on the wave soldering machine, i
Electronics Forum | Mon Jan 19 20:25:52 EST 1998 | Steve Gregory
| I have a problem! The solder on my pc boards look great comeing out | of my reflow oven. They go thrue the rest of the prossese | and at the end at the qc station it's cold or whitish or gray not shiny. | does any one have a idea on how to correct
Electronics Forum | Fri Aug 10 13:28:19 EDT 2001 | Hussman
Hey John, You're not alone, a lot of people have the same problem with different machines and material. What is your specific problem, just keeping SPC control? Or are your defects at the wave from the glue too? If it's a process problem, I found
Electronics Forum | Wed Sep 26 17:13:55 EDT 2001 | kenbliss
It seems to me that this site is most helpful if anyone can supply a solutiion rather than just an idea to solve a persons problem. In many cases a simple piece of equipment or adjustment to a piece of equipment will solve a problem that the person
