Electronics Forum: soldering and iron and esd (Page 1 of 3)

Manual soldering - solder wire diameter and soldering iron tip size for different component sizes

Electronics Forum | Tue Apr 16 05:05:32 EDT 2013 | stivais

We recently had a discussion with customer's QM - he claims that calculations for a proper solder wire diameter and soldering iron tip size (and temperature) have to be performed and documented for all manual (T/H) solderings (based on component size

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

black and grey pad

Electronics Forum | Sat Oct 06 05:33:47 EDT 2001 | spchua

I had recently encounter the "black and grey" pads problems for the BGA pad after the convection re-flow. The pads shows in in "black and grey" color and a litter solder in it, and it happen in ramdom, when applied heat and solder on the "black and g

Rework and repair system suggestions

Electronics Forum | Thu Jan 27 11:33:59 EST 2005 | russ

For what you have right now I would recommend that you use soldering iron tips that are made for component removal. until you get BGAs I wouldn't worry a whole lot about the expensive rework equipment. I would use specialty tips and a heat gun wit

Soldering Iron Tips and its Component Application

Electronics Forum | Fri Oct 10 14:38:26 EDT 2008 | smt_guy

Hi, Where can I find good information regarding the specific soldering iron tip for specific component package that they can be used? Is there any websites for this? thanks and regards,

Soldering Iron Tips and its Component Application

Electronics Forum | Thu Oct 16 10:17:51 EDT 2008 | kevslatvin

I'd start by looking at the available tips from the manufacturer of the iron you are using. They usually have a selection of specialty tips in their catalog either online or in print.

Solder Ball and Splash after Hand Soldering

Electronics Forum | Fri Jul 24 07:43:56 EDT 2009 | davef

Your customer is correct. You are doing something wrong in your hand soldering process. Solder balls are a process indicator. Areas to assess are: * Moisture content of the bare board * Thickness of the copper plating in the through holes * Temperatu

Voltage linking and tip to ground resistance

Electronics Forum | Wed Apr 27 14:10:30 EDT 2005 | Bruno Lalonde

I m looking to implement a maintenance program here at Exfo, I'm looking form the norms on the hand soldering iron (tip to ground resistance and Voltage linking). Thank

Voltage linking and tip to ground resistance

Electronics Forum | Wed Apr 27 21:59:34 EDT 2005 | davef

Check with your soldering iron supplier. We'd expect them to say: * Tip to Ground Resistance:

Acceptable per J-STD-001 and IPC-A-610 Class 3?

Electronics Forum | Thu May 23 13:24:14 EDT 2013 | rgduval

We agree that it looks like a touch-up process. However, we're not certain that it would meet Class 3 requirements. It appears to be an incomplete solder joint. The outer bit of solder shows voiding to the inside bit of the solder joint, and it lo

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