solder problem

"solder problem" search results in the Electronics Forums



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

Order by: Relevancy |   Date

Kapton PCB deformation

Oct 1, 2019 |

Dross Eliminator

May 4, 2017 |

MSL

Jul 13, 2016 |

Thermal relief question

Jun 8, 2016 |

Black Tar on ENIG

Oct 20, 2014 |

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

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

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

Tombstone using LF chips

Jul 31, 2008 | Hi, Im having problem on tombstone, The part is LF chip component 1005, and my solder paste is WS le

solving tombstone

Jul 31, 2008 | Hi, Im having problem on tombstone, The part is LF chip component 1005, and my solder paste is WS le

RNETs and Lead Free

May 7, 2008 |

Tented Via's

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

MLF / QFN Lead Free Shorting

Apr 13, 2007 | Hello, why focuss only on the printer and the paste, maybe the problem isn't there, maybe the pro

Thermocouple Design

Mar 25, 2007 | Couple of things. Type T thermocouples are solder friendly. However usually a header with screw

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

Boards Storage

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

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

ALPHA WS-709

May 16, 2005 |

Sn99 Cu0.7 Ag 0.3

Apr 20, 2005 |

dendritic growth

Dec 14, 2004 | We have a problem with dendritic growth that is affecting a new board going into production. This is

Soldermask Defined BGA Pads

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

DRY SOLDERNG

Jun 27, 2004 |

QFP rework

Apr 1, 2004 |

Leadfree component plating on Sn/Pb paste

Jul 2, 2003 | Title : SOLDER JOINT RELIABILITY OF Sn-Ag-Cu BGA COMPONENTS ATTACHED WITH EUTECTIC Pb-Sn SOLDER PAS

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

IONIC CLEANLINESS SPEC FOR BARE PWBs

Dec 6, 2002 | Military and most commercial standards requires post-soldered boards to measure less than 10 �g/in o

Polarity for SMT Devices

May 28, 2002 | Silkscreening is falling out of favor, as it should. SMT IC devices can have their "pin one" solder

Printing micro-vias for BGA placement

May 10, 2002 | First off what bone-head designer put them there in the first place. Vias in solder lands is a big t

BGA Straight crack

Feb 21, 2002 | Hello, I had recently a problem of crack between the solder ball (SnPb) and the Ni layer of the P

On-board Dispensing of Dots & Lines

PCB separators