Electronics Forum | Wed Feb 25 01:24:34 EST 1998 | Steve Gregory
Dave, I confess I was a tad too general and a bit too extreme describing the way ALL solder joints look on palladium coated leads. I should been more specific about the "pillow-effect". I've seen it regularly with palladium coated leads on small SOT
Electronics Forum | Thu Aug 24 19:59:48 EDT 2000 | Earl Moon
Finally, Two big time, intelligent responses to my crap. Wolfgang, you do it right by answering real questions with real stuff. Steve, unless you are JAX or SUN (one in the same), those are fair comments. I do not mean to frighten anyone off the fo
Electronics Forum | Sat Feb 05 09:08:18 EST 2000 | Dave F
Casimir: Let me expand on something that I said in my response to your thread on ionic testing. Generally, no-clean people don�t use ROSE testing as part of their process control, because the ROSE test is essentially washing your board in DI/IPA �
Electronics Forum | Wed Apr 21 00:35:31 EDT 1999 | Scott Cook
| Netters, | | When I reflow a PCB there is a discoloration of silkscreen and mask. It appears if Profile is too hot! But I dont think so, maybe I'm wrong? | | 1. Kester 293 no clean | 2. 2.1 C/s for 30s to 150 C | 3. .5 - .7 C/s for 60s to 185
Electronics Forum | Wed Dec 15 16:38:42 EST 2004 | patrickbruneel
Here's my 10 cents Studies done in the 1980's concluded that pure tin was prone to whisker generation. A tin content lower then 70% became exempt from this phenomenon. I have never seen or done any studies on the impact lead had in reducing the pote
Electronics Forum | Sat Aug 29 08:43:35 EDT 1998 | Dave F
| Hi, Friends, | Could you please recommend me some solder mask materials and equitements for high quality solder mask? Details such as company name, phone numer et al are welcomed. Thanks! | Have a good day | Xingsheng Xingsheng: Consider the follo
Electronics Forum | Fri May 01 06:49:31 EDT 2009 | davef
minimum space between selective wave soldering pallet's opening to the nearest PTH or SMT pad? * http://www.agicorp.com/pdf_files/Designguidelines903.pdf * http://www.datumdynamics.com/resources/dfm_wavesolder.html?PHPSESSID=a73b3bc8bbd55519bffbb68
Electronics Forum | Tue Jul 13 14:19:00 EDT 1999 | JohnW
| | | Hi, | | | | | | I need some urgent informations on stencil design guidelines on how to perform epoxy printing on 0603 and 0402 components. Could anyone help? ( Reflow process is not possible because of some other constriants) | | | | | | Sec
Electronics Forum | Tue Jul 13 14:25:57 EDT 1999 | Earl Moon
| | | | Hi, | | | | | | | | I need some urgent informations on stencil design guidelines on how to perform epoxy printing on 0603 and 0402 components. Could anyone help? ( Reflow process is not possible because of some other constriants) | | | | |
Electronics Forum | Wed Jul 14 21:34:16 EDT 1999 | karlin
| | | | | Hi, | | | | | | | | | | I need some urgent informations on stencil design guidelines on how to perform epoxy printing on 0603 and 0402 components. Could anyone help? ( Reflow process is not possible because of some other constriants) | |