Electronics Forum | Wed Nov 28 01:28:32 EST 2007 | shy
Q1:What is the relation between component standoff and drop missing? A1:component standoff will identify either solder paste at SMT side can form the fillet at component terminal or not. Drop/missing component is totally out of the topics since i jus
Electronics Forum | Mon Dec 03 20:30:58 EST 2007 | shy
Q: I thought you said that the parts that weren't wetting in reflow were the parts with epoxy. A: Yes you're correct. Q: The question I have is do they wet in wave solder, and if they do, why does it matter what happens to them in ref
Electronics Forum | Mon Dec 03 10:47:11 EST 2007 | slthomas
I thought you said that the parts that weren't wetting in reflow were the parts with epoxy. The question I have is do they wet in wave solder, and if they do, why does it matter what happens to them in reflow? Conversely, if they don't wet in wave,
Electronics Forum | Tue Dec 04 10:30:16 EST 2007 | slthomas
Q: The question I have is do they wet in wave solder, and if they do, why does it matter what happens to them in reflow? A: Yes, but somebody here don't agree with me that the glued part need help from wave to get the good wetting. They are wrong
Electronics Forum | Tue Dec 14 22:17:33 EST 1999 | Dave F
Armin: How ya doin� bud? CK gives good advice, but I'd like to take a bit of a different angle. Q1. For 0.7 mm (0.027in) diameter hole for vias, what�s the minimum annular ring for this hole diameter? Depends on what you�re trying to do. For in
Electronics Forum | Fri Mar 19 11:01:42 EST 1999 | Dave F
| Hi folks, | | I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diameter and volume, and somet
Electronics Forum | Wed Jun 02 15:27:27 EDT 1999 | JohnW
| | Hi, | | | | To improve the Design For Manufacturing I am currently looking to write down some design rules that can (and should be) used by our engineering department. | | | | Can somebody help me get started or give some usefull tips on where
Electronics Forum | Wed Aug 21 09:09:50 EDT 2013 | wcheew
I am having solder barrel fill issues on THM component, we follow, we follow IPC 610 E requirement. The barrel fill issues happen on signal & ground pin at connector & E-cap. I found out that most of the insufficient solder happen on the connector ag
Electronics Forum | Thu Apr 16 13:40:08 EDT 1998 | Chrys
| Is there anybody to help me ? | We have small balls appearing on the boards soldered by | wave soldering machine and it looks that use of nitrogen | is linked to the problem (because without nitrogen, we have no more | problems). | That remind you
Electronics Forum | Tue Apr 03 22:03:18 EDT 2001 | davef
With friends like you, who needs enemies? I�d guess that the perceived benefits of flat pads for your 20 mil pitch and below components counter-balance the higher cost, gold being a solder pot contaminant, limited solder mask compatibility, potentia
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