Electronics Forum | Sat May 12 00:04:36 EDT 2001 | zam_bri
The product I'm running currently consist a mix of 20 mil pitch QFP, 50 mil pitch, 0402, BGA and variable size of connectors from small to big, on OSP finished PCB. Running intrusive reflow with a mix packages is a real headache, esplly when you hav
Electronics Forum | Mon Jun 11 22:06:00 EDT 2001 | davef
The issue is not the cleanliness of your in-bound water. The issue is the cleanliness of the board your customer receives. Look at J-STD-001C, Para 8, "Cleanliness Requirements". The end product cleanliness is the end result of your: * In-bound
Electronics Forum | Tue Jun 12 18:06:17 EDT 2001 | davef
The criterion you use will depend on the test method you select. For minimum requirements, look at J-STD-001C, Para 8, "Cleanliness Requirements". I figure that you�d measure the residues on a lot of your current product, measure the res on a lot o
Electronics Forum | Mon Dec 20 13:39:08 EST 1999 | Wolfgang Busko
Hi Clarissa, seems to be a real start up situation you are in. For the printing there is IMO no need to buy any sophisticated automatic-vision-alignment-self-cleaning-inline-and-more-machine. Features you need: - adjustable in X-,Y-,Z-axis (individu
Electronics Forum | Tue Sep 28 08:27:55 EDT 1999 | Earl Moon
| if anyone has used or has one of these bga rework stations please give me your opinion on them. I am planning on using the sytem for not only rework but also low volume prototype production for hand built 1 or 2 qty pcb's, so ease of use is impor
Electronics Forum | Fri Sep 24 06:38:15 EDT 1999 | pgarsoe
| | Hi All, | | | | We have 19 Siemens machine running here and lately I was assigned to come out with a proposal on the wrong part issue on Siemens Machines. All of our machines are equip with siemens part verification in which there the part barco
Electronics Forum | Fri Aug 20 12:41:20 EDT 1999 | stefano bolleri
| | Yesterday as I was creating a profile on a plastic BGA using Conceptronics freedom 2000 rework station, I happend to discover that I was able to remove solder bridging from a plastic BGA. | | | | This is what I did. | | | | Created a removal pr
Electronics Forum | Wed May 26 10:00:03 EDT 1999 | David Scott
| | | | | | | | | | | | Any suggestions on how to maintain Adhesive dispensing nozzles??? They seem to plug up over night and it is starting to get on my nerves. We have tried leaving the nozzles in the machine, removing them and soaking in alcoh
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 | Wed Dec 30 17:20:40 EST 1998 | Marc P.
| Does anyone have angles on how to reduce N2 consumption at reflow process (i.e. process control equipment, etc.)? | | Any help would be appreciated | There are a number of ways to reduce consumption: 1)One way to look at consumption is to view i
