Electronics Forum | Mon Jun 06 16:32:51 EDT 2005 | nealh
I worked with our stencil vendor for a about a year tweaking our aperture guidlines for our printer. Of course we upgraded to a better printer and all of that went out the door. Work with your vendor and they should be able to make suggestion as to w
Electronics Forum | Sun Jun 05 21:48:05 EDT 2005 | KEN
bright tin has demonstrated remarkable reduction in wisker formation. Organic inoculations and plating thickness are two very important characteristics in wisker formation.
Electronics Forum | Sat Jun 04 11:20:15 EDT 2005 | Sam Ho
I want to know who is running the Yamaha YV84 pick & place machine in your SMT line now. Could you share your experience form using this machine. Thanks.
Electronics Forum | Mon Jun 06 03:22:48 EDT 2005 | Base
You may want to start a parallel thread for Philips Emerald, which is the same machine.
Electronics Forum | Mon Jun 06 11:36:47 EDT 2005 | Sam Ho
Base, Are you using this machine in your SMT line now? Could you like to share your experience to me. thanks
Electronics Forum | Sat Jun 03 20:27:39 EDT 2006 | eeltec
Dear MrMaint, I have a COMET machine and I need to calibrate the X axes of table B that it is of by aprox 0.2%. Please help, the manual do not tell how to do this. Best regards, Greg
Electronics Forum | Sun Jun 05 13:42:16 EDT 2005 | amigo
We find it impossible to remove the glued micro-BGA chips like the CPU and the UEM ICs used in Mobile Phones. They are both surface mount devices and glued with some chemicals we think. Any help is most needed in this matter.
Electronics Forum | Mon Jun 06 07:14:21 EDT 2005 | pci
We find it impossible to remove the glued chips > like the CPU and the UEm ICs in Nokia Mobile > Phones. They are both surface mount devices and > glued with some chemicals we think. Any help is > most needed in this matter. May we know what pr
Electronics Forum | Wed Nov 08 05:19:28 EST 2006 | amigo
It's not underfill is it? Sorry, but i don't know what is underfill, if you mean BGA, yes it is BGA !also sorry for very very late reply
Electronics Forum | Wed Nov 08 05:21:10 EST 2006 | amigo
at present we try to do it with hot-air gun adding flux below the chip while heating. but in most cases the PCB gets damaged while doing this. sorry again for late reply.
