"balls" search results in the Electronics Forums

2883 results found for "balls" in the Electronics Forums

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soldermask color change around vias

Jun 7, 2019 | Unfortunately for me, I can't say whether those balls were flat on 1 side or not -- sent this board

Ceramic Column Grid Arrays and CBGAs

Feb 6, 2019 | I am looking for some old scrape boards that have either CCGA or CBGA, high temp columns or balled d

Solder Pot Volume Filler

Mar 3, 2017 |

Solder Paste Mis-print

Sep 30, 2016 |

pcb design

Feb 23, 2016 |

LGA Rework

Mar 27, 2015 | We reflow solder balls to the LGA using a tacky paste flux. Then we install the LGA to the PCB usin

Flux wave on PCBs

Mar 11, 2015 |


Dec 24, 2014 | 285 is way too high a temperature for a measured part or ball temperature. It's also high for a mode

BGA Repair information

Dec 12, 2014 |

Optical alignment system

Aug 27, 2014 |

contact 3avx problem

Jul 1, 2014 |

PIHR... what do you think...?

Jun 12, 2014 | No, is will not create random solder balls. I have experience doing this(When we had a big via in mi

paste quality

Feb 10, 2014 |

BGA Thermal Profiling

Aug 5, 2011 |


Jan 7, 2011 | Consider measuring the temperature of the BGA solder balls during reflow. This will give you a more

PCB Surface Question - Picture attached

Mar 25, 2010 | I would not use the product. Solder balls on a massive scale would be one issue due to all the expos

Solder Graping - What's this?

Mar 19, 2010 | I've also heard the problem called "Snot-balls". I have a picture:

BGA failure after coating

Sep 30, 2009 |

BGA Reflow profiles

May 14, 2009 |

0201 on CP43

Mar 17, 2009 |

Uncoalesced solder problem in fine pitch IC pads

Sep 10, 2008 | Do those Balls pass IPC LOL Looks like the paste has been stored incorrectly probably stored stood

Land Grid Array (LGA) Rework

Sep 2, 2008 | Out for reballing??? The LGA's that I'm familiar with do not have balls. Pull them off with a BGA re

BGA process

Jul 17, 2008 | 5 mil stencil.instead of round, use diamond aperture. RSS profile @ 215�C peak temp on balls(Sn/Pb)

Land size

Jul 7, 2008 | Most QFP 128s have a 0.16mm wide lead. Might have to modify your pads if you'r buying some odd ball

Disposal of ultrasonic cleaning water

Jun 24, 2008 | Your flux residues may be acceptable for your drain, but the solder balls won't be. You'll need to f

Vapor (vapour) Phase?

Jun 18, 2008 |

Solder Splash

Jun 17, 2008 |

expired solder paste

Apr 3, 2008 |

flying probe test services

Precision Auger Dispense Pump