balls

"balls" search results in the Electronics Forums



2883 results found for "balls" in the Electronics Forums

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solder balls/wash

Jan 9, 2020 | We have been experiencing an issue with solder balls coming out of wave, both RoHS and 63/37, no cle

Solder Ball Attach

Sep 24, 2018 | We are attaching 0.50mm diameter SAC 305 solder balls onto 0.38 diameter Au plated pins placed at a

Solder balls defects

Aug 14, 2018 |

Solder balls defects

Aug 1, 2018 |

Is there a threshold on ball size where we would not need to re-ball a BGA ( i.e. 8 ball / small type packages).

Feb 14, 2018 | do you mean you are seeing deviation in ball size prior to placement? if so i don't know of any spec

Soldering robot and solder balls

Jun 20, 2017 | Hello I have the problem with selective soldering on the robot. Thin balls appear on the laminate.

Solder balling under passives

Sep 19, 2016 | Hi guys, Problem: Mid chip solder balling. Component affected: 0603 caps only Defect is P

SOLDER BALLS / SELECTIVE SOLDER

Jun 6, 2012 | Higher temperatures are the primary reason that there are more solder balls with selective soldering

Ball Shear Testing Services

Aug 5, 2011 | Does anyone know of a vendor able to perform ball shear testing services per JES stds? Thanks!

Excessive solder balls!

Jul 8, 2011 |

Excessive solder balls!

Jul 8, 2011 |

Solder balls on Ceramic

Mar 25, 2011 |

Solder balls on Ceramic

Mar 21, 2011 | I am having issues with Solder balls on Ceramic devices, all LEAD FREE SOLDER. The cermaics are only

Solder Ball Criteria

Oct 24, 2009 |

BGA re-balling yields

Apr 22, 2009 |

BGA re-balling yields

Apr 20, 2009 | We are in a position where we have to purchase Leadfree BGA's and have them re-balled as leaded. I'm

Solder Ball Criteria

Mar 16, 2009 | Hi Guys Could you give me the standard criteria that is being followed for solder ball in PCBA. I a

solder balls on pcb

Oct 30, 2008 | solder ball was caused by hasl process not reflow. seen before many times, look around wells of smt

solder balls on pcb

Oct 27, 2008 |

solder balls on pcb

Oct 23, 2008 | We have 8 layer HASL PCB. We saw molten solder blobs / balls on op side of assembled PCB. (to check,

Solder Balls and Humidity

Aug 28, 2007 |

Solder Balls and Humidity

Aug 24, 2007 |

Solder Balls and Humidity

Aug 24, 2007 |

Solder Balls and Humidity

Aug 24, 2007 | Solder balls with wave soldering can have different causes. The two most important are the solderres

Solder Balls and Humidity

Aug 23, 2007 | Water soluable fluxes are quite hydroscopic. If you keep RH below 50 percent, solder balling caused

BGA Re-Balling

Mar 7, 2007 |

SAC305 Solder Balling

Aug 17, 2006 |

SAC305 Solder Balling

Aug 17, 2006 |

SAC305 Solder Balling

Aug 15, 2006 | Ball SACs are not hard to over come. Most people solder these devices well using a straight ramp wi

Missing BGA Balls

Jul 21, 2006 |

Missing BGA Balls

Jul 21, 2006 |

Missing BGA Balls

Jul 10, 2006 |

BGA ball seperation

Dec 5, 2005 |

BGA ball seperation

Dec 5, 2005 | Not all but some were tested O.K before the failure. What are some of the other reasons for ball sep

BGA ball seperation

Dec 5, 2005 |

Solder balls under LLP

Sep 1, 2005 |

Solder balls under LLP

Sep 1, 2005 |

Solder balls under LLP

Aug 29, 2005 |

Solder balls under LLP

Aug 29, 2005 | davef: I am a colleague of Sara at Foresite and we came to the conclusion that the solder balls were

Solder Ball 'fell off'

Apr 18, 2005 | Whenever we hear "gold" and "balls falling off", we think of black pad [hypercorrosion of nickel].

Ball Grid Array Prototyping

Jan 26, 2005 | Are there any methods for mounting ball grid arrays without a reflow oven? More and more chips are

solder ball attachment machines

Nov 18, 2004 | Vanguard is a ball placement machine. They are out on Long Island NY and manufactured by White Eagle

Picking ball-side up

Jul 19, 2004 |

Picking ball-side up

Jul 19, 2004 |

Solder Balls at Electrolytic Cap

Jun 24, 2004 | many solder-ball issues can be resolved by reducing the aperture size, usually 10 to 15% reduction w

Solder Balls in Boards

Jun 19, 2004 |

Solder Ball under BGA

Apr 27, 2004 | Hi, Can anyone help me as to what is acceptable and reject when it comes to solder balling under

BGA ball and PCB pad

Feb 20, 2004 | I agree with Jay. The paste will reflow first before the balls. The main reason is the flux content

BGA ball and PCB pad

Feb 18, 2004 | OK, if the sphere of the ball and the paste on the pad are both eutectic, 63/37 then the paste will

 Reflow System

fluid dispensing pumps for integration