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 | Fri Jan 15 10:52:27 EST 1999 | John
| Hi all, | | I thought I'd use this forum to ask a couple general questions on fluxes for manual operations: | First - Is it OK to use a wave soldering type flux (specifically OA)? Thinking about activation temperatures and the ramp rate of the wav
Electronics Forum | Tue Dec 29 17:21:46 EST 1998 | Dave F
| I am looking for a questionaire/list of items that need to be addressed to determine the pros/cons and equipment, manpower, cost and lead time to determine if one should consider setting up an in-house SMT line. | Can anyone help? | thanks | | J
Electronics Forum | Fri Oct 30 01:07:34 EST 1998 | Earl Moon
| I am a recently graduated Process Engineer. I am working for a company developing and manufacturing printed circuit boards. I am looking for a web link, magazine article, book, etc which describes the processes which happen at a board house. More s
Electronics Forum | Wed Jun 03 07:13:27 EDT 1998 | Tom Tellinghuisen
| We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not al
Electronics Forum | Fri Nov 23 05:52:45 EST 2001 | Wolfgang Busko
What Claude is saying may be right. But looking at it a bit different from the view of "senior management" this should be interpreted as depending on the salary the work itself is different and therefore the responsibility is different. It doesn�t na
Electronics Forum | Wed Mar 06 21:24:09 EST 2002 | davef
How could you know if your printing process is capable or in control if you don't have a print measurement tool? You�re correct that you do need a measurement tool to determine if the process is capable or in control. A $1.5k microscope and some g
Electronics Forum | Wed Aug 21 17:44:32 EDT 2002 | davef
Splitting hairs, I expect SIR of all solderability protection, including OSP, to decrease after reflow. What�s more, I expect the SIR of all solderability protection to pretty much decrease over time. The �comb pattern� test specimens meet requirem
Electronics Forum | Sun Mar 23 13:39:39 EST 2003 | MA/NY DDave
Hi, From re reading, I think I did OK with my previous message yet I wanted to hit some other items, maybe differently. Without checking all the sources I don't believe there are any industry wide standards. I am sure and know there are industry
Electronics Forum | Fri Oct 17 20:56:37 EDT 2003 | Mike Konrad
First, I should state that my company manufacturers batch and inline de-fluxing systems. Because we manufacture both formats, we remain unbiased. In fact, it is in our best interest to recommend inline cleaners since they sell for considerably more
