Electronics Forum | Tue Apr 03 01:37:54 EDT 2001 | philipreyes
60% 36% 0f ball area >36% Class2 Accept Reject 45% of ball diameter >45% 20.25% of ball area >20.25% Class3 Accept
Electronics Forum | Wed Sep 06 06:04:16 EDT 2000 | Dreamsniper
Hi Guys, I'd like to collect info regarding YAMAHA YV88 Mark2 and YV100 series. Are they of any good compare to Universal GSM1 or Panasert MPAV2 ? My new company's products have hips of fine pitch components (0.5mm) and we are planning to get new eq
Electronics Forum | Wed Sep 06 05:55:15 EDT 2000 | randy
Our R&D uses Land Pattern Design based on Manufacturer's recommendation and not IPC Standard Land Pattern design. I suggested to shift to IPC but he just ignored me and laughed about it. We are encountering hips of wrong land pattern design since we
Electronics Forum | Tue Sep 05 11:18:54 EDT 2000 | Chris May
Pascal, Hopefully, the system that you invest in will have a programmable drying cycle as one of its features. As far as humidity content is concerned, I am sure that some more learned colleagues may be able to help you. Although, I believe some p
Electronics Forum | Tue Sep 05 07:38:36 EDT 2000 | JAX
Daniel, I think JOHN and Ramot have some good ideas but I guess I am a little confused. How have you placed BGA's or QFP's in the past. If you are just starting to place them and believe you will continue to in the future, you need to start looki
Electronics Forum | Fri Sep 01 03:06:20 EDT 2000 | Adelina Baggayan
Hi!, Can anyone help me with problems with Solder voids after reflow curing on D2PAK heatsinks? I would like to remove the gas from the solder paste; can centrifuge help?How many minutes should a solder paste in a tube be processed in a softener? Ho
Electronics Forum | Fri Sep 01 05:02:04 EDT 2000 | Wolfgang Busko
Hi Dave, we use those one-time-use plastic? stuff that comes in a "kleenex-box". Purpose is to keep the paste from the fingers. Although it�s seen that you won�t take Pb through your skin, it sticks to it (the skin and under your nails) and is hard
Electronics Forum | Thu Sep 07 12:52:30 EDT 2000 | Doug
Which fuji machines do you have? The new manuals are pretty easy to follow, if you have them. SMD3 machines have the SMD3 Manual 7.1E and the BGA/Connector manuals available. Contact fuji training for more details. Otherwise, if you have certain ques
Electronics Forum | Wed Aug 30 14:57:43 EDT 2000 | John Thorup
Hello Craig Are code dates other than these two coming apart or do they stay together? If other dates stay together you should get together with RFM. Did the process work before and and the defects just start happening? These are pictured on the RFM
Electronics Forum | Tue Aug 29 17:05:00 EDT 2000 | Travis Slaughter
There are a large number of variables that determine how many tabs are needed. The biggest ones I can think of, off the top of my head are. Board thickness .031 needs more than .093 Process and equipment used in assembly some processes and equipment