Electronics Forum | Tue Aug 25 06:11:13 EDT 2009 | ghepo
Eric, use the TM 650 test method annexed. Don't forget to perform many test on many PCB (TOP and BOTTOM)on PADs in several position (at 4 corners and at the center) and obviously in the faulty position. Don't forget to change every time the tape. V
Electronics Forum | Tue Aug 25 07:13:20 EDT 2009 | davef
It sounds like the BGA balls are not melting. You're probably getting no collapse. Put a bare BGA on a hot plate. Heat it up until you get collapse. Adjust your reflow profile until you have that temperature on the BGA pads on the board. What is the
Electronics Forum | Tue Aug 25 10:25:56 EDT 2009 | grahamcooper22
Do you know the exact BGA sphere alloy make-up and the alloys melt temp ? Then you can judge the ideal reflow temperature. Also, does the package warp in the reflow zone ? This may be causing the solder spheres on the BGA to lift off the pcb and henc
Electronics Forum | Mon Aug 24 03:59:26 EDT 2009 | hurr
Hallo Joanne, I had employed by producer of Ecofrec 303. We make many tests of corrosion and conductive test in our company. All results of this tests was OK . Vast majority correspond mil standarts. When I ask my labor assistent in BRY, white residu
Electronics Forum | Mon Aug 24 04:46:54 EDT 2009 | joannetjy
Hi Radek, Thanks for your reply. I use this flux with manual soldering process for the product. Is this flux suitable for manual soldering? or it is only for wave soldering? I have sent the board for analysis, and the report shown that the white res
Electronics Forum | Tue Aug 25 08:14:55 EDT 2009 | davef
Among the best BGA rework systems are: * SRT http://www.vjelectronix.com/vjebeta/products.asp?title=Rework%20Solutions * AirVac http://www.air-vac-eng.com * Metcal http://www.metcal.com * ERSA http://www.ersa.de/en
Electronics Forum | Thu Aug 27 18:22:37 EDT 2009 | zombie
Hello, thanks for the help. Since this is only for prototypes we can avoid lead-free. Also our boards are not that big or thick. On the other side, our parts are small, the smallest is 1.5x1mm. Would the DRS24 work? What brand is usally more affor
Electronics Forum | Thu Aug 27 08:59:31 EDT 2009 | rgduval
Jack, I've heard of it, and reviewed their website; but that's about the limit of my exposure. I'd be interested in impressions after the web demo. I'm assuming you have some knowledge/exposure to Circuitcam. If you'd like to contact me off the s
Electronics Forum | Thu Aug 27 10:14:28 EDT 2009 | jwmcnally
Jack, > > I've heard of it, and reviewed their > website; but that's about the limit of my > exposure. > > I'd be interested in impressions > after the web demo. I'm assuming you have some > knowledge/exposure to Circuitcam. > > If you'd > l
Electronics Forum | Fri Aug 28 13:00:24 EDT 2009 | jamyboy
In my past I have used Circuit Cam with great results but now we are using the more economical Pronto place. It is not as elaborate as Circuit Cam but it is a really quick way to generate programs for the Mydata machine. Pronto Place has some unique
