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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Poor Wetting On The BGA.

Sep 16, 2017 | An assembly with this improperly solder joints will have functional issues. We have encountered this

Regarding BGA Pad Lifting

Mar 1, 2017 | Hi! I am Bob and pls forgive me if technical words I use are wrong. What may cause the BGA solder pa

Flux wave on PCBs

Mar 11, 2015 | Hi its undercured solder resist which leaves a clear waxy/oily residue and can be seen as brown tar/


Dec 22, 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 |

SMT voiding

Oct 25, 2012 |


Jan 10, 2011 | Hi Ripal it seems that you have problem with compatibility of alloy and quality of solder balls.


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


May 19, 2010 | HI Im new to this but i thought i would have a go at fixing my xbox 360 be re balling it,ive man

Stencil Cutters

Nov 20, 2008 | Don't forget the value of being able to blame everything from bridging, solder balls,tombstoneing ,

Humidity question

Oct 16, 2008 | "We don't associate solder balls with no-clean flux and humidity." I'll let the former speak for

Land Grid Array (LGA) Rework

Sep 11, 2008 | Depending on the assembly, I have applied balls on LGA's and reflowed them on using the rework hot a

Vapor (vapour) Phase?

Jun 18, 2008 |

Component Pin 1 marking

Mar 4, 2008 | Available on the web, JEDEC PUBLICATION 95, DESIGN GUIDE 4.14, Ball Grid Array Package (BGA), Figure

BGAs not reflowing??

Nov 6, 2007 | Hi All, We are using BGAs from a new supplier, and the BGA solder balls are not collpasing proper

Cleanning no clean residu

Oct 26, 2007 |


Sep 17, 2007 | We have never studied this, but here's what we'd guess. If there are void in BGA solder balls at inb

Lead-Free BGA Rework

Jun 26, 2007 |

BGA via in pad

Mar 23, 2007 | Hello, those plated and solderable via in pads have two critical points: 1. We have discovered t

double printing

Mar 21, 2007 |

Local Fiducials

Oct 20, 2006 |


Jul 12, 2006 |

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


Mar 1, 2006 | we are observing voids in solder ball bonding process using laser.Final metal finish is of Au on Cu.

Heat guns and component damage

Feb 1, 2006 | Many relays use soldered post coil terminatins inside the relay. In one case many years ago I found


Feb 1, 2006 | Hi, What's the difference between soldering a lead free solder ball BGA onto a footprint with lea

Wave Pallets

Jan 24, 2006 |


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

Lead Free Stencil Design

Jul 13, 2005 | Are you seeing solder balling on your discretes when you print 1:1? Are you washing your boards?

Maximum Overprint

Jun 28, 2005 | Fabricators take different approaches in developing paste that is more or less prone to solder balli

Maximum Overprint

Jun 28, 2005 | Anyone know of a maximum solder overprint formula? I need to overprint a 0.011" wide aperture but w

Does this forum covers BGA's

Feb 18, 2005 | Lead Free Ball Grid Array packages are expected to be increasing the shipment numbers by 2006. How m

Pasteproblemater aftersoldering

Feb 8, 2005 | we have even tried with 6mil stencil even than we are getting the solder ball thanks for your sugges

BGA Via Tenting

Jan 21, 2005 |

Suggested Process changes

Nov 11, 2004 |

Un-Reflowed Paste

Jul 28, 2004 | Both temperature and humidity can cause solder paste to behave in a way to cause these formations.

Un-Reflowed Paste

Jul 27, 2004 | By looking at the solder balls they have not joined with the other particles that are alongside them

Indium NC-SMQ92J paste problems

Apr 27, 2004 | We have switched over form Indium's nc-smq92 to > nc-smq92j and are experiencing a ton of solder

Routing Under Chips

Jul 3, 2003 |

 Reflow System

fluid dispensing pumps for integration