115 flux residue acceptance criteria results

Electronics Forum: flux residue acceptance criteria (Page 1 of 12)

No clean flux residue

Electronics Forum | Fri Jun 01 16:22:35 EDT 2001 | davef

Your supplier�s approach to managing process change is TOTALLY UNACCEPTABLE!!!! Now, let me get the froth back in my mouth. How in the world do we know if the residues on these "no-clean" boards are compatible with your product? J-STD-001C, para 4

Tombstone caused by flux residue

Electronics Forum | Mon Jul 25 18:54:10 EDT 2005 | Brian

Exactly. We bring the paste apertures closer together, so that the part sits more in the center of the paste. As a CM, our customers do not always accept our recommended design changes, so we use this method to reduce our tombstoning if the pad geo

Re: Help with flux residue spec

Electronics Forum | Mon Nov 01 21:50:32 EST 1999 | chartrain

No clean flux is really a misnomer. What is often taken to mean no residue in effect means no visible residue. Because you can't see it doesn't mean it isn't here. Many manufacturers have been through this same learning curve. The goal with a no clea

white residue

Electronics Forum | Wed Jan 27 19:42:34 EST 1999 | parag palshikar

i am working with the noclean process and getting white residues on the bottomside of the board probably due to the wave soldering flux.i am using a no-clean solder paste and a noclean wave solder flux.The boards passed the accelerated temperature a

White residue VS No clean

Electronics Forum | Sun Jul 29 09:17:20 EDT 2001 | davef

Tough to say, but ... Chlorine: Many fluxes contain chlorine. Sulphur: Many solders and paper packing materials contain sulphur. Sodium: No idea. IPC-J-001 talks to board cleanliness and specifies criteria according to the cleanliness test met

Testing effect of non-clean flux residue on solder joints

Electronics Forum | Fri Nov 03 11:30:29 EDT 2017 | davef

regarding dwl comment, "For low volume hand assembly, deionized water or IPA should work fine." Deionized water: Deionized water is corrosive. It needs to be removed. Proof? Drop a copper coin into a covered jar of DI water and watch what happens ov

Re: white residue

Electronics Forum | Thu Jan 28 08:42:43 EST 1999 | Dave F

| i am working with the noclean process and getting white residues on the bottomside of the board probably due to the | wave soldering flux.i am using a no-clean solder paste and a noclean wave solder flux.The boards passed the accelerated temperatu

Re: white residue

Electronics Forum | Thu Jan 28 08:58:10 EST 1999 | Peet

| | i am working with the noclean process and getting white residues on the bottomside of the board probably due to the | | wave soldering flux.i am using a no-clean solder paste and a noclean wave solder flux.The boards passed the accelerated tempe