Re: SMD transistor falls off ? have we been scammed ?

As an aside does anyone know if it possible to have a bubble form
in flow solder operation so failure to solder a small area ?
That is gas from outgassing from the board or just contamination forming a
bubble on the molten solder.

--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/



.

Relevant Pages

  • Re: Lead Solder
    ... 'catastrophic failure being inevitable'. ... Although lead/tin solder was invented before they could possibly understand ... Another problem is that all lead free alloys have a higher melting point so ... there are very small crevices between the PCB and component. ...
    (uk.rec.models.engineering)
  • Re: A halfway decent solid state amp
    ... convinced him that he was a pussy and a failure if he didn't, ... they go on D-submini connectors of either solder cup or crimp style, ... �Learn to solder or be a worthless puke. ...
    (rec.audio.opinion)
  • Re: repairing broken traces on a PCB
    ... More interesting is to hear about experiences in finding hairline ... Well, I have a board here worth $100 perhaps, that certainly passed ... but nothing that causes the failure. ... inspected the PCB and solder joints with a microscope, ...
    (sci.electronics.design)
  • Re: repairing broken traces on a PCB
    ... More interesting is to hear about experiences in finding hairline ... but nothing that causes the failure. ... inspected the PCB and solder joints with a microscope, ... changed it to drilling single boards and when we cross-sectioned the ...
    (sci.electronics.design)
  • Re: A halfway decent solid state amp
    ... convinced him that he was a pussy and a failure if he didn't, ... Splice a fiber optic ... Audiophile is not enjoying music or listening to music. ... Learn to solder or be a worthless puke. ...
    (rec.audio.opinion)