Electronics Forum | Wed Jul 04 11:10:56 EDT 2001 | davef
It�s tough to say. You need enough, but you can�t have too much because you slop it all over the pads, but if you have too little � well you get the picture. There�s so many ways to get to the same place. There is no standard. It�s whatever you n
Electronics Forum | Fri Jun 02 17:33:51 EDT 2000 | Dave F
Hey CK, we�re all sodder googoo�s ... wanna be gurus Why donchu tell �em not to put sodder in your vias? Er, makit so the sodder won�t flow out of the bottom of the vias and cause dem stalactites? OK OK, here�s wacha do, modify the second side ste
Electronics Forum | Wed Jun 23 11:47:48 EDT 1999 | Dave F
| In a month or so, we will be getting an in-line x-ray inspection machine. It will require that we solder our most comlicated side (normally top) first. This is opposite to our process now where we solder our passive (bottom) side first. We cann
Electronics Forum | Wed Jun 23 14:23:14 EDT 1999 | Cunli Jia
Dave, Looks like you just replied to Ryan's original question, but the message itself shows that the two of you have been going back and forth. Did you copy from your email discussion? Just curious whether something is going wrong with the Forum.
Electronics Forum | Mon Feb 14 21:28:22 EST 2000 | Dave F
Tobacco smoke is made up of "sidestream smoke" from the burning tip of the cigarette and "mainstream smoke" from the filter or mouth end. Tobacco smoke contains thousands of different chemicals which are released into the air as particles and gases.
Electronics Forum | Thu Feb 10 22:31:11 EST 2000 | Dave F
CK: If you�ve done everything under the sun process-wise at the wave: different fluxes, more heat, less heat, more contact time, and less contact time; and are running out of ideas; let me table some thoughts. � "Don�t mess with Mother Nature."
Electronics Forum | Fri Feb 11 10:14:54 EST 2000 | C.K.
Dave, to answer your questions, point-by-point: � Just out of curiosity, how are second side, skippy components oriented on the board with respect to the wave? The SMD's are all oriented in the "correct" direction with respect to wave direction(i
Electronics Forum | Mon Nov 27 17:50:01 EST 2000 | Dave F
Mike: It gets more humid in the winter? [I can see it�s true (not that I�d doubt you) cause I�m looking a a humidy map of the USA, right now] How does that work outin Californy? [Do the ocean breezes move the humid air in-land in the summer? Er w
Electronics Forum | Mon Nov 06 21:06:13 EST 2000 | Dave F
Thomas: Wheeee, a 40% failure rate. Now, that make your boss chase you around the room won�t it? As you indicated, x-ray won�t do dip about helping to identifying problems [or ball cracks either]. Consider using an ERSA scope [er whatever they ca
Electronics Forum | Sun Aug 06 16:37:00 EDT 2000 | fraser
1. A step stencil is a waste of perfectly good stainless steel! 2. They are characterised by lousy prints on the very parts that are most critical in your process - whilst leaving good prints on the easy stuff. 3. MMM.... nasty chemicals! 4. Exactly!
