"balls" search results in the Electronics Forums

2883 results found for "balls" in the Electronics Forums

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Copper migration

Dec 4, 2006 | Hello, I did EDX on BGA just to find out copper wt% at the package- ball interface. Is wt% rang

Flux or Solder Paste?

Nov 1, 2006 |

Flux or Solder Paste?

Oct 31, 2006 |

BGA corners curling up during rework install...

Oct 27, 2006 | Just wondering if anyone has seen this problem before. We are using a 456 ball FPGA and during insta


Oct 11, 2006 |

Bga failure

Sep 26, 2006 | could be black pad, or it is just bad reflow profile that did not get all balls soldered down. OR i

BGA Rework

Aug 25, 2006 |


Jul 12, 2006 |

BGA Reballing

Jun 13, 2006 |


May 25, 2006 |

Mix Pb and Pb free alloy

May 24, 2006 |

BTU VIP98 Leadfree Recipe

May 24, 2006 |

BGA Rework

Apr 14, 2006 | Have done some rework on BGAs but what kind of minimal pitches/solder balls you dealing with and wha

Gold Flash with QFN28 problem

Mar 30, 2006 | So you have solder balls at the outer edge of the part right where the pad goes underneath? If so y

reflo oven settings

Mar 17, 2006 |

Stencil thickness

Mar 2, 2006 |

TAL during reflow

Feb 10, 2006 |

Voids in Au finished Cu in Pb-free laser soldering

Feb 6, 2006 | Hi, We are electrodepositing Au(0.25 to 0.5 microns) on Cu & using solder ball bonding process via

Underfill machine maintenance

Nov 8, 2005 | Necessary tools are: * Chisel * Ball peen hammer After you buy two new nozzles, keep one in a b

Quad 1000, looking for opinion

Nov 1, 2005 | 2c belt driven.....'a little' less accurate (costs less) 4c ball screw......'a little' more accurat


Oct 28, 2005 | I have always encountered problems when using Kester (everything from bad solder to solder balls). I


Aug 30, 2005 | whats the actual failure mechanisum your seeing which balls on the BGAs? my bet is its the ones on t

Measuring intermetallic compound

Aug 24, 2005 | Hi, I am doing a research on the solder ball joint strength of lead free PBGA package. Coming acros

Lead Free and Leaded Process Mix

Jul 18, 2005 | Francisco, You need to be concerned about "lead-free" BGAs. The SAC balls will not reflow at at sta

Mosfet stencil design

Jul 18, 2005 | I have a SO-8 mosfet part from Vishay SI7846DP-T1. Am having a lot of solder ball that coming undern

Lead Free Stencil Design

Jul 13, 2005 |

Lead Free Stencil Design

Jul 13, 2005 | We do have solder balling on occasion but it is usually very minimal. When and if this becomes an i

Maximum Overprint

Jun 28, 2005 |

vitronics xpm users

Jun 14, 2005 | Yes, the original fans were junk. I replaced them all with a ball bearing type. No problems fo

Solder Paste Flux %

Jun 13, 2005 |

Reflowing <.032

Feb 18, 2005 |

BGA Via Tenting

Jan 21, 2005 |


Jan 19, 2005 |

fluid dispensing pumps for integration

Benchtop Fluid Dispenser