solder problem

"solder problem" search results in the Electronics Forums

4991 results found for "solder problem" in the Electronics Forums

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Component Skew during Reflow Process

Dec 11, 2019 | Dear Ameen, We have proved to the customer than the solder fillet obtained after the solder reduct

Small scale reflow oven

Mar 29, 2019 |

Looking for IPC

Feb 26, 2016 |

0603 LED Tilt

May 27, 2013 |

Conformal Coating

Nov 10, 2011 | We've got the same problem here, what we do is to apply peelable solder mask around the connectors o

Flux not foaming

Sep 20, 2011 | We've got a Novastar 12S wave solder machine and we've been using Kester 951 flux for years with no

Bridges in the leads of a hall

Nov 25, 2010 | Hello !!! Long time since I was here, I have a problem, I use a Electrovert EPK Plus solder wave


Mar 1, 2010 |

Dye and Pry

Mar 12, 2008 | Why would a board failure related problem be a process problem. I agree most companies believe EVER

Replacing small SMD PMICs

Feb 10, 2008 | As long as it doesn't have a thermal pad soldered under the package, it shouldn't be a big problem.

PCB washing

May 24, 2007 | We use a washer soluable solder flux for our solder wave. We then wash the boards in a dishwasher.

PCB lamination issues

Feb 11, 2007 |

PbF PCB finish

Jan 24, 2007 |


Dec 22, 2006 |

Pasting ahead

Nov 6, 2006 | I don't know of any articles but you will see the following problems: The flux will evaporate fro

Printed Circuit Boards

Oct 2, 2006 | All of us wave solder FR4 all day-long, not to say we have never had problems doing it. The selec


Feb 1, 2006 | Hi, What's the difference between soldering a lead free solder ball BGA onto a footprint with lea

Working with Lead free and Pb Capacitors

Jan 27, 2006 | We are running our prduction (TV's)with Lead Free Solder, since 1 year ago, but we still have a lot


Dec 13, 2005 | Hi, No because we don't have the ability to do that, and what is the problem with it? Can you des

BGA Reballing

Dec 7, 2005 | I am attempting to reball some PBGA's with no luck. The problem is getting the solder spheres to si

Same wave process do not apply to all finish board

Oct 18, 2005 | I suspect the problem is a surfactant issue in your flux. I have seen where boards are fluxed, hit t

Peelable Masking

May 11, 2005 | The problem is that we don't use a wave solder machine. Our process right now is that we mask the h

Lead-Free SMD repair

Apr 29, 2005 |

Double Sided Reflow

Mar 18, 2005 |


Dec 3, 2004 | The voids are between the interface of the pad and the solder joint of component chips. I have a goo

Component non wetting

Apr 26, 2004 | Take a solder iron with some wire solder and attempt to tin the leads of the component. Look under m

Porosity in Good Plating

Jul 4, 2003 |

Shelf life of PCBs

Mar 21, 2003 |


Mar 20, 2003 | Hello Garcia: For my experience in Tombstone problems I recommend you to check the next points:

Bareco wax on pressfit connectors?

Feb 28, 2003 | Paul We don't like to mix metals on press fits. Yano, we do gold on gold or solder on solder, bu

SMT Component Design Requirements

Oct 18, 2002 | We have a connector mfg that claims that their design is good and does not contribute to the problem

SoftBeam Machine

Jun 5, 2002 | Sure do. Spent a couple months with that group last winter trying to get the Soft Beam to solder a

gold connectors

May 30, 2002 |

Evaluating SMD Adhesives

Nov 28, 2001 | I've heard of reliabilty problems caused by wave soldering melf's as well. We don't put Melfs on the

The glue with the holes...

Oct 16, 2001 | Hi all, I have a problem and would gratefully take on suggestions, firstly let me explain the situat

black and grey pad

Oct 6, 2001 | I had recently encounter the "black and grey" pads problems for the BGA pad after the convection re-

Open joints

Oct 3, 2001 | When we found this to be a problem with some QFP 100's (.020" pitch, and our first experience with f

BGA's shorting

Oct 3, 2001 | We are getting solder blobs forming in open areas of the BGA, between the center array and outer arr

QFP Defect

Jun 25, 2001 |

Flux-Free Reflow Soldering

Flying Probe Probe Tester with AOI