solder problem

"solder problem" search results in the Electronics Forums

4989 results found for "solder problem" in the Electronics Forums

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Dross Eliminator

May 4, 2017 |

Who ever seen the PCB rack (Magazine) cleaning machine ?

Mar 30, 2017 | I have a problem with some particle, dust and solder paste contaminate on PCB rack and need to clean


Jul 13, 2016 |

Thermal relief question

Jun 8, 2016 |

Cleaning paste-printed PCB

Sep 4, 2012 | The best thing you can do is to clean the board that has a solder paste defect on it. If you don't y

Sn100C Plating, Mixed Alloy Scenario

Dec 13, 2011 | Contaminating lead-free solder connections with lead is generally a bad idea, but that's not what yo


Jan 10, 2011 | Hi Ripal it seems that you have problem with compatibility of alloy and quality of solder balls.

Air Moisture in Production

Dec 8, 2010 | Hello Because of the cold weather, we had some troubles with drying out of printed solder paste o

Lead shift

Nov 15, 2010 | Hello. We encountered a SMD problem on PCB. It is that the lead of photocoupler is shifted after

Is IPC-9701 apply to QFN package?

May 24, 2009 | I have a problem recently to qualify QFN package on solder joint reliability. The pcb thickness stat

Pb Drying / Degassing PWB

Nov 24, 2008 |

Tombstoning issues!!!

Apr 22, 2008 |

Tented Via's

Feb 20, 2008 | Yea, I'm still here.....sigh. Got bridging problems. These assemblies are SMT topside, then go

High Freq. RF grade ceramic filled PTFE PCB material

May 25, 2007 | Soldering PTFE boards * Exposure to the high temperatures needed for solder reflow poses no problem

voids when waving

Mar 12, 2007 | I am not using a solder pallet, I don't think the problem is contamination related, because these pa

cpk value

Mar 9, 2007 |

Boards Storage

Mar 8, 2007 | Suggestions are: * Procure solderable finishes that have sufficient thickness to avoid intermetalli

Seeking very low volume production reflow oven

Apr 21, 2006 | My company is currently using point source soldering of SMT components. We have seen some problems d

Green inductors

Feb 20, 2006 | It appears to us that the problem lies in the lead-free solder paste rather than the inductors. We

Green inductors

Feb 20, 2006 | We saw something like this in the machine shop > years ago. Fumes from a soldering operation in

Green inductors

Feb 16, 2006 | We saw something like this in the machine shop years ago. Fumes from a soldering operation in the sh

Wave Pallets

Jan 24, 2006 | Q: If you do not use a selective wave pallet does this not leave the possibility of solder flowing u


May 16, 2005 |

Lead-Free SMD repair

Apr 27, 2005 |

dendritic growth

Dec 14, 2004 |

Soldermask Defined BGA Pads

Oct 14, 2004 | We are experiencing a problem with soldermask defined BGA pads not accepting solder during the reflo

Immersion Silver Reliability

May 26, 2004 | Some peelable solder masks attack immersion finishes. It appears components in the peelable solderm

QFP rework

Apr 1, 2004 |

Screen Printing for BGA

Aug 20, 2003 | Our company if currently reviewing our BGA Screen Printing Process. The problem we are trying to eli

Leadfree component plating on Sn/Pb paste


BGA Rework

Apr 9, 2003 | We've encountered a little problem with BGA's. There was a process problem in the build of the board

Electroless Nickel without gold immersion

Aug 20, 2002 | Haaaaa!!!! Soldering to plastic!!!! An apt analogy!!! I like to compare it to soldering to dirt.

Large PCB Dispensing System

Conformal Coating Machine under 40000