Electronics Forum: flux (Page 16 of 490)

Removal of No-Clean flux residue

Electronics Forum | Thu Sep 06 10:55:37 EDT 2001 | davef

saturation occurs at ppm levels. Remember, IPA is extremely flammable and its bulk use makes the plant liable to all sorts of quite repressive safety rules/regulations and so on. Ignoring these rules exposes the owner to fines and possible plant cl

flux on PCB's after cleaning

Electronics Forum | Wed Jul 21 17:49:52 EDT 2004 | jsk

problem: Too many solvents and boards are not clean Flux remains on the board after vapor degreaser and "Powdery" white residue after vapor degreasing Flux type is kester 186 Process: hand solder High Temp alloy, spot clean after hand solder e

Tombstone caused by flux residue

Electronics Forum | Thu Jul 07 17:08:28 EDT 2005 | Inds

how fast are you ramping your profile..and how long are you soaking it.. are you giving enough time for the flux to get activated...

Tombstone caused by flux residue

Electronics Forum | Thu Jul 14 16:15:04 EDT 2005 | russ

Can flux really prevent wetting? This seems odd to me. I am actually thinking the opposite of Bman, I am wondering if using a homeplate with an overprint condition might help? Russ

No-clean flux and high frequency?

Electronics Forum | Mon Feb 05 09:42:21 EST 2007 | George

Hello everybody, What is considered "high frequency" when we talk about possible issues with NO-clean flux residues and product's application? I appreciate your help on this... Have a good one! George

Ionic testing and No-Clean flux

Electronics Forum | Fri Feb 04 09:23:21 EST 2000 | Casimir Budzinski

If No-Clean flux does not need to be cleaned, then why do I get readings of up to 27(ug NaCl/sq in) on boards that are not washed, up to 23.4(ug NaCl/sq in) on boards washed with DI water only and from 1.2 to 10.1(ug NaCl/sq in) on boards washed with

Selective soldering: sprayed flux residues

Electronics Forum | Thu Dec 13 08:02:02 EST 2007 | realchunks

You may want to try raising your pre-heater if you have one. I would also suggest trying different fluxes that may be a little more active so you can use less. What type of fluxer are you using? Selective solder flux residue is a gray area. This i

where to get good flux

Electronics Forum | Tue Apr 02 14:24:35 EDT 2013 | hegemon

Too many hands in the bucket, unless the owner is one of the engineers. Typically flux is not rated or classified by "feel". What are you soldering? Wires? Components to PCB? What is your cleaning capability or requirement? Aqueous? No-Clean? Ul

Help with flux residue spec

Electronics Forum | Mon Nov 01 19:52:47 EST 1999 | John

I have a thru-hole PCB that malfunctions when "no clean" flux is left on certain parts of the board. I have specified "the PCB shall have no flux residue". Our state side vendors (we have one offshore -they still use freon to clean) are complaining t

Tombstone caused by flux residue

Electronics Forum | Thu Jul 07 18:07:38 EDT 2005 | saragorcos

Ahh. sorry for the foul up - and thanks for stopping the spread of misinformation!! Sarag

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