Electronics Forum | Mon Nov 01 06:27:15 EST 1999 | Michael Fogel
I suggest tow more ways: 1. try to differ the temperaturte between top and bottom side duering the reflow process. 2. try to add some glue dots under the falling parts befor the placement/reflow process Good luck Michael
Electronics Forum | Mon Nov 01 22:16:04 EST 1999 | Dean
Without a detailed description of the suspect parts It is difficult to pin-point the exact solution to your process problem. However, whenever possible avoid non-value added additions to your current process. Here is the reality of the situation:
Electronics Forum | Thu Dec 23 09:27:30 EST 1999 | mike d
Good morning. I am currently in the process of validating our quoting process in comparison to what our colleagues are doing. If anyone could let me know what is the average cost per component for their smt operations I would really appreciate it.
Electronics Forum | Sun Dec 19 10:02:55 EST 1999 | ron chua
Hi, how to ensure flexible boards do not warp after reflow and still remain flat for subsequent operations. What is the best way to hold and transport these strips from one process to another. Thanks!
Electronics Forum | Sun Jun 07 06:05:37 EDT 1998 | Bob Willis
| Can anyone tell me if there is a reference for smt component height specs on the bottom side of a board, which will also go through wave soldering. A current design I am reviewing has tant caps(7343) and a crystal on the back side. Should I only b
Electronics Forum | Thu Dec 23 15:29:48 EST 1999 | Glen Robertson
Mike - I'm not in the EMS business, but I suspect most of them are very reluctant to reveal much about their quoting process. You might want to try some of the third-party data suppliers like Ceeris (www.ceeris.com), and you can also check the C
Electronics Forum | Sat Nov 06 14:58:45 EST 1999 | Gary Moravchik
Assuming you are using Sn63/Pb37 solder paste, have you tried using a lower temp melting point solder paste for the second pass? For example, use 63/37 for first pass and a Bi58 compound solder paste for the second pass. If I recall, Bi58's melting
Electronics Forum | Wed Nov 17 09:51:25 EST 2004 | AS
I'm looking for advise on setting up a prototype station for smt (we are currently outsourcing smt production, but have a need for rapid in house prototyping). The station must be able to handle only single sided boards with components no smaller th
Electronics Forum | Wed Jun 03 13:50:32 EDT 1998 | Chrys
| Can anyone tell me if there is a reference for smt component height specs on the bottom side of a board, which will also go through wave soldering. A current design I am reviewing has tant caps(7343) and a crystal on the back side. Should I only b
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