Electronics Forum: dry (Page 2 of 143)

dry solder paste

Electronics Forum | Wed Feb 23 15:06:05 EST 2005 | Zlatan

Would you be able to share with me, what specific abnormal chemical reaction could happen? Thanks

dry solder paste

Electronics Forum | Sun Feb 27 14:24:05 EST 2005 | davef

pmdeuel: Was that "about 60 %solder and 40 % flux" according to volume or weight?

Solder paste turning dry

Electronics Forum | Sun Jul 14 14:05:31 EDT 2013 | ericrr

So how does one check the flux loading?

dry solder paste

Electronics Forum | Tue Feb 22 12:42:53 EST 2005 | griinder

I was curious if anyone else has ever added water soluble flux to water soluble solder paste that is only a few days old, but is too dry to use in production. Also, are there any known bad side effects to this process. I have already searched the arc

dry solder paste

Electronics Forum | Tue Feb 22 17:57:32 EST 2005 | Austinj

Most solder paste has a shelf life of 1 week at room temperature after opened, if resealed at the end of the shift/day. Most shelf lives are 4-6 months at 40F (refridgerated) or 1 month at room temp (unopened/sealed). Recommended stencil life is appr

Nitrogen and dry cabinet

Electronics Forum | Mon Jul 29 21:22:52 EDT 2002 | Yngwie

The customer said " The Nitrogen PPM is questionable". LIke what I said, as long as I have met the 10% RH, it should be OK, rite ? thx

dry solder paste

Electronics Forum | Wed Feb 23 08:15:57 EST 2005 | davef

We've talked about this previously. Search the fine SMTnet Archives. For instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=31767

Solder paste turning dry

Electronics Forum | Sun Jul 14 22:28:37 EDT 2013 | cedric77

1.Weight the paste 2.reflow the paste 3.clean the residue from the reflow ingot 4.weight the ingot By using simple calculation we can extract the percentage of metal or flux loading from the solder paste.

dry solder paste

Electronics Forum | Sun Feb 27 13:42:44 EST 2005 | pmdeuel

So true, We had paste flux supplied to us from Alpha metals. It was the same as used in the solder paste. The major problem we noted was the in ability to control the ratio of paste to flux resulting in lots of voids. When we mixed enough to get the

dry solder paste

Electronics Forum | Wed Feb 23 17:24:06 EST 2005 | Austinj

Solder spattering, solder balls, components "popping" off pads........ Not a serious chemical reaction, however, as replied to by KEN on 12/21/04 in a similar article: "Are you adding liquid flux? Or paste "Gel" flux? If liquid flux: This, in my m


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