Electronics Forum | Wed Jun 10 18:40:00 EDT 1998 | Earl Moon
| I am looking for the Industry standards on vias. Are they required to be plated with solder or is copper plating enough? What about reliabilty with either one? Also, if tenting the via is required should it be copper plated or solder plated over
Electronics Forum | Sun May 24 06:02:33 EDT 1998 | Earl Moon
| Hello, | I am looking for suggestions for cleaning pcb's after the routing (fabrication) process. Keep in mind that these pcb do not have components intalled on them yet. | We have considered pre-drilling the routing plunge points, but cost and ca
Electronics Forum | Mon Apr 06 12:32:20 EDT 1998 | Roxanne Picou
March 31, 1998-Austin, TX --- Austin American Technology announces a new Pre-Wash feature for the Mega� II to operate in conjunction with AAT's patented closed-loop regenerative cleaning process. This feature allows for an optional dual chemistry
Electronics Forum | Mon Feb 25 21:13:12 EST 2002 | davef
No, none of us can tell you what is the acceptable level of halide content or contamination in flux residue. The level of harmful residues on your product helps determine the reliability of your product. We know nothing of your product, its custome
Electronics Forum | Fri Aug 30 16:25:21 EDT 2002 | davef
Imm silver holds-up to multiple thermal cycles very well. The things, we guess, are happening to make imm silver tough to solder after heating and sitting are: * Oxidation of the silver. * Reduction of the co-deposited organic anti-tarnish [used in
Electronics Forum | Wed Apr 30 19:55:21 EDT 2003 | Mike Konrad
In all likelihood, you may not be leaving flux on the board rather you may be leaving saponifier on the board. Improper rinsing is a leading cause of cleaning related board failures. The problem with some inline cleaning systems (especially old o
Electronics Forum | Mon Apr 25 02:25:32 EDT 2005 | Mike Konrad
The issue of using ultrasonic technology for post reflow de-fluxing presents challenges in two categories: Controversial: Although there are recent studies that indicate acceptance with ultrasonic technology on populated assemblies, there remains si
Electronics Forum | Thu Nov 02 17:15:48 EST 2006 | Mike Konrad
Asoe, The systems you are describing are Resistivity of Solvent Extract (ROSE) Testers. These systems are available using one of two technologies, Static or Dynamic. Both systems use a calibrated test solution comprised of IPA and DI water. The t
Electronics Forum | Tue Oct 12 05:46:12 EDT 1999 | Brian
| Thank you all for your replies. I guess my age in this industry is showing. This military spec. does not appear to be in existance. So, let me make my request a little more to the point: | | Is anyone aware of a specification specifically refer
Electronics Forum | Thu Aug 05 13:03:35 EDT 1999 | Dave Weihrauch
| | | | Has anyone out there tried to parylene coat plastic parts prior to soldering them to a pcb? I'm looking at several potential applications where fewer than 5% of my components on a pcb are plastic, yet from a reliability aspect (environmental
