Electronics Forum: hot and bar and soldering (Page 1 of 5)

hot bar and lead free

Electronics Forum | Wed Jan 07 12:09:40 EST 2004 | Kris

Hi All, Does any body have any information on hot bar lead free soldering ? Need papers or experimental data ASAP Thanks

Conveyors and bar code

Electronics Forum | Wed Aug 23 14:59:32 EDT 2006 | bill

I�ve been lurking on the forum for a while so I will take a stab at this, mainly because there is no answer I take it that you have a variety of boards being produced at the same time and are in fixtures so the conveyors don�t need to be adjusted, a

gloves used for wave soldering and pallets

Electronics Forum | Thu Sep 20 12:20:45 EDT 2007 | jsloot

What kind and what brand of gloves are people using for handling hot wave solder pallets? My operators are going through a pair a week. I need something better. Thanks

Selective soldering pallets and solder balls

Electronics Forum | Wed Dec 04 09:24:52 EST 2002 | jseagle

I have found that preheating the solder pallets prior to use helps cut down on the solder balling. Also, we do not cool the pallets between passes and we use a spray fluxer because a hot pallet will knock down the head on a foam fluxer. We use WS f

solderability and hasl thickness

Electronics Forum | Wed Sep 10 12:56:09 EDT 2003 | davef

Intermetallic compounds [IMC]: * Form during the alloying process of some metals. In soldering these are Sn, Ni, Ag, Cu, Au. * Do not accept solder. * Increase in depth in logarithmic proportion to both time and temperature. [So during the solder

LGA and Solderballs

Electronics Forum | Tue Nov 28 21:16:17 EST 2006 | davef

J Rose at EMPF says: The introduction of no-clean solder fluxes in electronics manufacturing has given rise to greater levels of solder balling simply because the opportunity to remove them in the wash process does not exist. They are typically cause

Blistering and delaminating boards

Electronics Forum | Thu Sep 20 07:18:42 EDT 2018 | proceng1

Has anyone else been experiencing this lately? We have had a rash of boards that come in properly vacuum sealed. We store them in the hot room until we are ready to build, and we get bubbles under the solder mask. We've had 4 different jobs, all di

BGA rework and inspection

Electronics Forum | Thu May 30 10:31:03 EDT 2002 | robbied

Hi Yannick. This is an issue that we are just recently getting into but here is some ifo that I have gathered so far. I have seen/ used 2 different rework machines. The one we have bought is a 'PACE TF2000' which was at the lower cost end of the mar

SOT23s and paste + glue

Electronics Forum | Mon Dec 22 14:15:41 EST 2008 | ck_the_flip

As Emil says, it's 100% the glue! Your paste is not designed to hold parts on at wave solder. Reflow is MUCH hotter than glue, so I doubt you're not adequately heat-curing it. Possibly, the glue cure is "too hot" and maybe making the material brit

Water wash flux and cleaning

Electronics Forum | Mon Jun 19 09:47:23 EDT 2017 | georgetruitt

You have a lot to think about! What does the flux manufacturer recommend as far as specifics like water temp or pressure? Do they recommend high temp di-water a detergent or saponifier? Do you currently have a cleaning machine, batch cleaner or inl

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