Electronics Forum | Sat Oct 31 01:22:35 EDT 2009 | mysmt
We have performed some EDS analysis and found > high percent (approx 18% ) of Ni on surface of > gold pad. Found Tungsten as well. This is an > HTCC alumina package. Thickness of gold was > confirmed and found to be in spec. We believe > we
Electronics Forum | Fri Oct 09 02:54:57 EDT 2009 | omid_juve
Dear sir`s i want to place one TBGA144 with DRS24 rework station i use many different profile but with near all of them in the ramp stage and reflow stage the balls of the BGA thrown away from the part and cause many short circuit under it and also m
Electronics Forum | Sun Nov 01 23:35:24 EST 2009 | vinitverma
Hi Fonsi, If you can send a sample of the .PAF file, I can help you out by converting it to a generic text file which you can use to program any machine. If you can also send a sample of the format that your Essemtec uses, I can try to convert the .
Electronics Forum | Tue Oct 20 19:26:10 EDT 2009 | fdbittner
I think machine selection depends upon your application (pitch, volume, changeover from pb to pb free etc...) I have experience with ERSA and Pillarhouse Jades. Both very good in their own right. Pillarhouse are relatively cheap, and quick to chan
Electronics Forum | Wed Oct 28 19:48:33 EDT 2009 | lgroves
Hi, The machine is a Samsung CP45FV-Neo. Is > there a way to set the level of control operators > have over a program? We'd like to have a program > which can't be changed, except by a technician. I > can't see any way of doing this with the mach
Electronics Forum | Tue Oct 13 22:56:22 EDT 2009 | cpcompany
Can anyone help me recommend or simulate a SPI > and AOI machine that can balance our FUJI NXT 1 > with 14 modules. We are using MPM accela printer. > 200 UPH is our target. > > Here's the PCB > dimension > > length(x) = 399.92mm width(y) = >
Electronics Forum | Mon Oct 19 12:17:16 EDT 2009 | wrongway
We have yet had the need to use local fids on our boards you must be putting down pretty fine pitch parts that are needing the acurcey if it is failing fids that are within the search area then maybe its somthing else size our lighting it should fin
Electronics Forum | Mon Oct 19 19:40:34 EDT 2009 | swag
Thanks for the input. These are 80 pin fine pitch connectors on arrayed flex circuits. We have found from experimenting there is really no good alternative but to use local fids. I found what I'm doing wrong - I needed to move fid finds and correc
Electronics Forum | Sat Oct 17 16:23:34 EDT 2009 | emanuel
Can anyone share some tips on cleaning pneumatic type feeders? Some feeders I have seem to be "lazy", unable to react fast enough to the the pickup heads. Someone told me to wash them in IPA, with no oiling at all, while somebody else advised to a
Electronics Forum | Mon Oct 19 15:08:14 EDT 2009 | markhoch
Would be glad to offer some assistance, but I've got a couple of questions first: 1) What type of supplemental flux are you using? (If any) 2) Is your problem consistent across all assemblers, or can you trace the assemblies with solder ball issues b
