solder problem

"solder problem" search results in the Electronics Forums

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

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First piece PCBA validation

Dec 15, 2010 | Sounds like there may be a people problem somewhere in your process. We have a couple of checks s

Lead free in hirel

Jan 25, 2010 |

What caused this reflow issue?

Apr 17, 2008 | I have seen similar things like this before with Solder Resist redepositig back on the pads, this is

Epoxy on bottom of SMT component

Dec 4, 2007 | Q: The question I have is do they wet in wave solder, and if they do, why does it matter what happ

Types of OSP Coating

Sep 8, 2007 | We expect to see a copper shadow along the edge of pads when soldering boards with organic solderabi

Used equipment

May 1, 2007 | Acquire a fast dispensing machine that can deposit solder paste to keep a low volume pick and place

Head in Pillow effect BGA

Apr 13, 2007 |

Lead free rework of BGA

Jan 17, 2007 | Hi, I am having problems reworking a lead free PBGA (23mm x 23mm, 1mm pitch). The board is relat

Necessity of ROSE in commercial quality processes

Feb 27, 2006 | 3,5 ugr/cm2 NaCl) or power components, or Raw PCB. Nothing with the solder process or fluxes. Ion C

Lead free tin copper only

Feb 5, 2006 | Are you refering to reflow soldering or wave soldering? Brian, do you have any data to support t


Jan 4, 2005 |

Expanding my skills

Oct 26, 2004 |

Bare PCB reflow

Sep 7, 2004 |

Large Voids with Via in Pad

Apr 13, 2004 | Now, that's different. We misunderstood the problem from your original descrtiption. We thought th

bulbous joint

Feb 20, 2004 |

0603 - stencil thickness

Jan 4, 2003 | Q1. What is the recommended stencil thickness to apply the proper amount of solder for 0603 componen


May 21, 2002 | *the other components are 0402 and SOIC 16, the > solderability were good. *the protection on the

Non-wettig on chip cap.

Dec 10, 2001 |

Non-wetting on QFP lead

Nov 21, 2001 | Hi Guys, I need help. I�ve a trouble with non-wetting problem on the lead of 208 pin, 20 mils pit

Misprint PCB Cleaning

Aug 7, 2001 |

Removing Green Masking on PCB's

Jun 14, 2001 | See, now you know how you got the job!!! ;-) Assuming you mean solder mask, that stuff is design

AOI vs. XRay

May 8, 2001 | Thank you for your response. I have been told that x-ray strength is finding solder volume and pa

Poor wetting to palladium

Jan 29, 2001 | I have recently come across a device which has a palladium over nickel finish which when soldered sh

BGA Inspection Criteria

Dec 10, 2000 |

BGA Inspection Criteria

Dec 10, 2000 |

BGA Inspection Criteria

Dec 10, 2000 |

Help Bottom Side Components

Apr 13, 2000 | Couple more questions: The problem we have is that on the bottom side we are using a bunch of resis

PCB washing

Feb 1, 2000 | Guo: You want to know: 1 Can I use water as the solvent in an ultrasonic machine to remove solder

coating with no-clean?

Jan 13, 2000 |

Led testing color sensors

Benchtop Fluid Dispenser