Full Site - : flux residues ionic contamination results no clean (Page 3 of 4)

PCB post reflow cleaning

Electronics Forum | Fri Mar 26 12:26:31 EST 2004 | Mike Konrad

Hi Patrick, With all due respect, it is easy to quantify zero. You made a claim that your flux produces ZERO residue. There are several industry-standards (IPC and Military) of determining the cleanliness of post-reflowed circuit assemblies. Th

Mixing no-clean solder with activated

Electronics Forum | Wed Jun 27 21:17:37 EDT 2001 | davef

;-) Earth to Genny: Hellooooow!!! No one knows the answer. We�re guessing that it might not be a problem, but we don�t know!!! We are not holding-out to drill you. We�d tell you, if we knew, honest. ;-) The people that are goofy enough to do

Ionograph or Omegameter

Electronics Forum | Mon Nov 01 15:57:35 EST 2004 | davef

Both are equally efficient process control tools. Neither is particularly effective in testing ionic contamination. The best way to sell your customer on allowing you to do this is to show them that you understand the WHOLE process and are able

adhesive on pads

Electronics Forum | Mon Apr 01 20:10:24 EST 2002 | davef

Oh. [Howabout if I smack you?] If ahma connectin� wif whut yer sayin�, you: * Don�t like the appearance of the glue slobberin� out from under the component even though there is no apparent glue on solderable surfaces. * Concerned about the hydrosco

Re: Criteria for the Omega Mete from Alpha Metals Inc.

Electronics Forum | Mon Jan 08 20:57:52 EST 2001 | Dave F

Are you talking about bare board cleanliness or assembly level cleanliness? Bare board cleanliness is still primarily measured by resistivity of solvent extract (ROSE) using instruments such as Omegameters and Zero Ions. What is considered as "acce

Re: Wadda Ya Mean Wadders Different?

Electronics Forum | Thu Sep 03 12:12:41 EDT 1998 | Dave F

| | | | | | We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | | | | | | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter, carbon bed,

Re: Corrosiveness Measure

Electronics Forum | Thu Sep 03 21:51:16 EDT 1998 | Dave F

| | | | | | | We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | | | | | | | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter, carbon

Re: Corrosiveness Measure

Electronics Forum | Fri Sep 04 08:49:04 EDT 1998 | Ben Salisbury

| | | | | | | | We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | | | | | | | | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter, car

Re: Corrosiveness Measure

Electronics Forum | Fri Sep 04 09:51:34 EDT 1998 | Dave F

| | | | | | | | | We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | | | | | | | | | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter,


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