Electronics Forum | Tue Aug 10 11:12:27 EDT 1999 | Steve_S
| Folk's, | | I'm looking for some helpful suggestions for reworking wave soldered bottomside components that have been glued. | I'm not a fan of the twist and break approach and as some of them either have a double dot or a slot configuration this
Electronics Forum | Wed Nov 07 02:41:58 EST 2001 | marshall_shuai
Dear Mr. Jeff, Our SMT room are using the DEK288 and MPM2030 Printers at the same time. We found the similar problem also as mentioned by MR.JOHNW. We analysis it was mainly caused by the PCB metal fixture used in DEK288. The PCB metal fixture is
Electronics Forum | Mon Jan 21 09:27:02 EST 2002 | JohnW
Here's a question for you to mull over. I've got a PCB that is 4 millimeters thick, that's about 160thou of USA money if you like it that way. The question is IPC reg's for hole fill say it should be a min of 75% hole fill and 50% on ground planes. A
Electronics Forum | Thu Mar 29 15:26:35 EST 2001 | johnw
measuring Paste volume or at least paste height is an essencial part of any SMT process. You've got to control those input's.... Paste volume determines how much solder is available for your joint so theres a direct to joint reliability / PCB reliabi
Electronics Forum | Thu Oct 14 08:01:48 EDT 1999 | JohnW
Gee Dave That's the first time I've ever seen myself listed for a quote! Brian, what your saying is on the whole right, on the surface of it the mask, as long as it's cured properlay shouldn't make a difference but I have to say that I've found so f
Electronics Forum | Fri Sep 24 15:15:02 EDT 1999 | Bill
| | | | I need to put together some quickie training material | | | | for our customer service people. I've only got about 30 minutes | | | | to describe the SMT process in a nutshell, so it can't be lengthy and detailed. A ppt file would be best. |
Electronics Forum | Sat Sep 04 07:11:34 EDT 1999 | JohnW
| | Dear sirs, | | | | If you have experienced Proflow of DEK screen printer, please let me know the details of it. | | | | Best regards, | | | | Jame Bond | | | | | James, | | Stir, don't shake is not good advice for cleaning proflo heads. Th
Electronics Forum | Tue Aug 10 13:05:57 EDT 1999 | ScottM
| Folk's, | | I'm looking for some helpful suggestions for reworking wave soldered bottomside components that have been glued. | I'm not a fan of the twist and break approach and as some of them either have a double dot or a slot configuration this
Electronics Forum | Sat Aug 07 11:14:19 EDT 1999 | JohnW
| | Mike, | | | | Got your message and those of others concerning PCB fab supplier evaluation and qualification check lists, etc. I have a severe problem here in WI as I can hardly access the internet, and when I do it is cut off abruptly for no goo
Electronics Forum | Tue Jul 27 14:04:38 EDT 1999 | JohnW
| Looking for solder paste specification limits which have reliability data to support them. Currently, we are looking to define the min/max volume necessary to ensure a good joint on CBGA, PBGA, and Micro-BGA's. Any information will be greatly app
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