solder and ball

"solder and ball" search results in the Electronics Forums

2092 results found for "solder and ball" in the Electronics Forums

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CSP assembly compliance to IPC-A-610 minimum electrical clearance

Sep 12, 2018 | Hi, Is the IPC-A-610 applicable to CSP assemblies? Especially regarding the solder ball to solder

Soldering the Kingston BGA eMMC32G-W525

Aug 21, 2018 | Hello, We are having difficulty soldering the above BGA. We believe it may be a high temp ball o

QFN84 Solder Printing Issue (QFN with Inner LGA Pad)

Nov 11, 2017 | One suggestion I have seen for packages like this is to have the device balled first.

Poor Wetting On The BGA.

Oct 20, 2016 |

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

Jun 10, 2014 | this is a Class II product. If I increase the openings... will I have random solder balls?

Incomplete reflow

Apr 5, 2014 | The middle picture shows what looks to be solder balls littered across the surface. Turn-up the heat

BGA Corner

Jun 10, 2011 |

BGA solder bridge

Mar 21, 2011 |

BGA solder bridge

Mar 3, 2011 |

OSP finish and Omnix 5002 solder paste(SnPb)

May 14, 2010 | I attached a RX picture. A lot of voids and micro balls arround the flux residue. What do you think

Humidity question

Oct 16, 2008 | We don't associate solder balls with no-clean flux and humidity. For solder balls with no-clean flux

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


Sep 6, 2007 | Can voids be carried over from original voids in solder balls during reflow?

Homeplate design

Jul 25, 2007 | Hi Lloyd, Homeplates will get rid of solder balling. They are only recommended "backwards" for 0

Step by step guide in evaluation of Solder Bar and Flux

Dec 11, 2006 | Title : LEAD-FREE WAVE SOLDER FLUX EVALUATION Author : Michael Havener Author Company : Be

Copper migration

Dec 6, 2006 |

BGA crack and strain gauge measurement

Nov 29, 2006 | Dear Davef, Thanks for your input...The crack happen at the pad/solder ball interface..Pls review

Local Fiducials

Oct 20, 2006 | mid chip solder balls we had that trouble for awhile we went from a 8 mil thick stencil to 6 mil st

Why does my solder joints look so wrinkled?

Oct 20, 2005 | during the soldering process on larger BGAs the corners can bend up or down due the large copper hea

Reflow Profile

Aug 22, 2005 | There's a lot of sources of solder balls. Search the fine SMTnet Archives for previous discussions.

Reflow Profile

Aug 22, 2005 | Sample Profile to avoid solder balls.

BGA pad size

Jun 18, 2005 | kenscj: Responding to your points of interest: * On the smoothness of BGA solder balls causing sol

BGA pad size

Jun 17, 2005 | Hi all, currently, we are seeing BGA problem like solder ball misalign, void, solder short (all und

Bga question??

Jun 12, 2005 |

Pasteproblemater aftersoldering

Feb 7, 2005 | Search the fine SMTnet Archives for previous discussions on the issues driving solder balling.

Pasteproblemater aftersoldering

Feb 7, 2005 | This paste does tend to solder ball - but short of changing paste you can change your stencil to acc

Pasteproblemater aftersoldering

Feb 7, 2005 | Reducing the Printing Speed helps to reduce solder balls. Try it.

Conformal Coating BGA's

Jan 12, 2005 |

Fluid Dispensers

Dual Lane Reflow Oven