Electronics Forum | Wed Apr 28 10:13:24 EDT 2004 | onesime
Hi out there, I have an ongoing project in wich I have to use several BGAs. As I have no practice at soldering those components I want to take advantage of their self centering features . can any one gives me a tip on securing components? does any on
Electronics Forum | Wed Apr 28 10:26:29 EDT 2004 | mrmaint
Hello All, I am having trouble with bridges under my BGA's.I am using paste flux. The compresion on the component appears to be good but i am seeing bridges every 1 out of 5 reworked. The alignment before it starts reflowing the part is fine. Dont un
Electronics Forum | Wed Apr 28 12:10:14 EDT 2004 | paul_bmc
Are your solder balls after reflow a perfect sphere or are they oblong, like chushed. I know a heavy bga or incorrect reflow profile could cause bridging. Also too much flux paste. Sometimes what we do is brush the flux paste onto the pcb pads inst
Electronics Forum | Wed Apr 28 15:08:10 EDT 2004 | russ
This could be a long shot but here goes. I have found that if flux is applied in excess that it will actually "move the solderballs" during reflow. I have actually seen where the balls are completely outside the package and oviously there are short
Electronics Forum | Fri Jun 04 21:12:03 EDT 2004 | johnwnz
Also look at VI Technology they have a number of machines, I've used the LS180 and it's increadibly good, very easy to program and has a host of features that soem of the othesr don't have. http://www.vitechnology.com/laser/ls180.htm the beam works i
Electronics Forum | Mon May 03 16:36:08 EDT 2004 | Kris
Try getting a small contract manufacturer who will build the boards for you initialy that way you can learn untill you establish the process once you do that you can have a fair idea of what machines to buy ? where to buy ? or maybe if the volumes
Electronics Forum | Thu Apr 29 07:47:18 EDT 2004 | bravoone
Ok sorry for the 'simpleton' question, we have a Fuji IP4000 with loads of normal 'roll' feeders and a MTU, we are having more and more supplies of chips in 'tubes'. I see in the manual there is a mention to 'stick feeders'. Does anybody use these? D
Electronics Forum | Thu Apr 29 10:14:23 EDT 2004 | cyber_wolf
We use quite a few vibe feeders(Stick feeders) on our IP's. They do indeed fit onto the MFU's (Not MTU). We got our vibe feeders from US Vibra in the past. I think that they may be out of buisness. Check this link out.....Good luck http://www.c-exp
Electronics Forum | Fri May 07 22:22:22 EDT 2004 | Sam
Valuems, Thanks for your advise. Do your company have the vision software for the cognex 2000 Version 3.5 or 3.7 on hand for sale? The machine not any problems only can not boot up the vision system with the floppy disk which is damaged. Please give
Electronics Forum | Fri Apr 30 10:22:10 EDT 2004 | mnguyen
I am having a hard time looking for a programming software for a TDK AC-7 Axial. TDK makes a MFT-30 for their Radial machine but there is no programming software made for the Axial machine. I see in it's file that you can export and import Dynapert f
