Electronics Forum | Thu Nov 11 17:17:11 EST 1999 | Boca
1. Most ionic testing is measured in NaCl, that is, the ionic residues are quantified in terms of NaCl equivalence. The test does not determine what the ionic residue is, just its relative strengh. 2. I use IPC cleanliness specs on OA fluxes but n
Electronics Forum | Wed Aug 18 13:54:01 EDT 1999 | John Thorup
| Atlthough not strictly surface mount, I am sure that amongst the experienced players out there someone will have some answers for me. | Does anyone have any experience of "phase change" heatsink materials. These are solid at room temperature and th
Electronics Forum | Fri Jul 30 14:53:01 EDT 1999 | Tom B.
Hello Netters, I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are tinned on exposed
Electronics Forum | Fri Jul 30 17:16:59 EDT 1999 | Dave F
| Hello Netters, | | I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are tinned on e
Electronics Forum | Fri Jul 30 17:24:24 EDT 1999 | Dave F
| | Hello Netters, | | | | I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are tinne
Electronics Forum | Sun Dec 06 13:18:12 EST 1998 | S. Evers
There are significant differences in a properly designed dryer vs. an Oven. Ovens mearly bake the moisture from assemblies. The high humidity of a drying environment was not considered when most reflow ovens were designed. Dryers are designed with
Electronics Forum | Mon Dec 07 12:33:03 EST 1998 | Jeff Sanchez
| There are significant differences in a properly designed dryer vs. an Oven. Ovens mearly bake the moisture from assemblies. The high humidity of a drying environment was not considered when most reflow ovens were designed. Dryers are designed wit
Electronics Forum | Fri Sep 11 15:11:23 EDT 1998 | Dave Celestian
I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the composite surface is bubbling up and glass fibers are also starting to show. The problem here is t
Electronics Forum | Mon Sep 14 09:09:10 EDT 1998 | Earl Moon
| I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the composite surface is bubbling up and glass fibers are also starting to show. | The problem here
Electronics Forum | Fri Sep 11 15:26:15 EDT 1998 | Upinder Singh
Dave, What exactly is the material used for making the fixtures? Upinder ====================== | I am running composite fixtures on my wave solder machine and after about 500 passes each (1 month)they are showing serious signs of wear in that the co
