Full Site - : white residue after celaning (Page 12 of 14)

Re: solder mask

Electronics Forum | Tue Aug 10 15:19:55 EDT 1999 | Earl Moon

| | | | I am having cleaning problems when processing PCB's which have | | | | TAIYO solder mask on them. After processing, hand soldering and | | | | cleaning, a sticky residue is remains, resulting in a cosmetically poor finish with tide marks etc.

Re: solder mask

Electronics Forum | Tue Aug 10 15:47:34 EDT 1999 | John Thorup

| | | | | I am having cleaning problems when processing PCB's which have | | | | | TAIYO solder mask on them. After processing, hand soldering and | | | | | cleaning, a sticky residue is remains, resulting in a cosmetically poor finish with tide mark

Re: solder mask

Electronics Forum | Tue Aug 10 16:01:12 EDT 1999 | Earl Moon

| | | | | | I am having cleaning problems when processing PCB's which have | | | | | | TAIYO solder mask on them. After processing, hand soldering and | | | | | | cleaning, a sticky residue is remains, resulting in a cosmetically poor finish with tid

Need Help for CCGA Rework

Electronics Forum | Tue Nov 01 15:26:43 EST 2005 | GS

Is it this your first experience of C-CGA RWK ? In order to approach a RWK of this kind of pakage it requires a capable process and clear operating procedure. In the past, the company who I use to work for, we rwkd plenty of this kind of CCGA. Earl

Re: RF applications..aqueos vs. no clean..HELP!!!!

Electronics Forum | Thu Mar 25 19:29:07 EST 1999 | Graham Naisbitt

| | Hi, | | I have a customer who's electronic assemblies produce RF. He is insisting upon aqueuos cleaning. We switched to a no clean solder years ago and no longer have an aqueous system. | | Is aqueous cleaning necessary to eliminate 'cross ta

Re: RF applications..aqueos vs. no clean..HELP!!!!

Electronics Forum | Mon Mar 29 19:31:29 EST 1999 | Scott McKee

| | | Hi, | | | I have a customer who's electronic assemblies produce RF. He is insisting upon aqueuos cleaning. We switched to a no clean solder years ago and no longer have an aqueous system. | | | Is aqueous cleaning necessary to eliminate 'cr

Re: Hand soldering rework fluxes

Electronics Forum | Fri Jan 15 03:30:10 EST 1999 | Jeff Sanchez

| 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

Solder Paste Evaluation

Electronics Forum | Wed Jan 11 22:47:31 EST 2006 | davef

We didn't intend to light anyone's fur on fire [get anyone's underwear in a knot, roil the waters, have a cow man] about consultants. The Phil Zarrow wrote a useful paper that could help in evaluating paste. Here read it ... Evaluating Solder Paste

How to choose a new solder paste

Electronics Forum | Thu May 26 08:52:42 EDT 2011 | davef

Phil Zarrow wrote a useful paper that could help in evaluating paste. Here read it ... Evaluating Solder Paste � Not An Option Contributed by Phil Zarrow of ITM an Independent SMT consulting firm With soldering being the dominant source of assembly

Re: More informations on water clean for CSP/BGA package

Electronics Forum | Wed Oct 06 03:58:25 EDT 1999 | Brian

| | Hi, | | | | Help! Could anyone help to enlighten me on this? | | | | Question: | | | | If I have a CSP/BGA package of size X by Y and the standoff gap between the component and PCB is Z, What is the maximum allowable Y/Z or X/Z that using a n


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