"balls" search results in the Electronics Forums

2883 results found for "balls" in the Electronics Forums

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A BGA reports (RoHS related of course)

Feb 12, 2007 | Most of the semi-con is using SAC305 balls. Only the PCB assembly house feels the heat, but semi-co

A BGA reports (RoHS related of course)

Feb 12, 2007 | :s I'd be frightened too if I had SAC305 in my balls.

BGA Tilt

Feb 8, 2007 |

Solder Joint

Jan 29, 2007 |

Lead Free BGA's on non-RoHS Assembly

Jan 29, 2007 | Many high rel assemblers reball their LF BGA with SnPb balls. In other less demanding environments,


Jan 25, 2007 | Thank you for responding. You guys know where I can get marble track ball mouse that compatible to t

Lead free rework of BGA

Jan 19, 2007 | yeah Jeff, i would make sure that you are not overheating part trying to get the balls to temp. I

Fuji IP3 Head squealing

Dec 20, 2006 | By the way , changing the ball screw will also sort your problem out because you will have to carry

Foam Fluxer problems

Dec 18, 2006 | Always check your specific gravity. It directly affects your faoming. Put ping pong balls in your

LGA and Solderballs

Nov 28, 2006 |

Board washer

Oct 30, 2006 |

Local Fiducials

Oct 20, 2006 |


Sep 7, 2006 |

BGA Repair Medium

Aug 24, 2006 | We tend to screen paste to the BGA ball. This is quite effective although the repeatability of scree

Functional Test Faulure due to BGA ICs

Jul 25, 2006 | If your Test tech able to analyze and tell you which exact ball/location is the problem, you may sen


Jul 21, 2006 | If its just the X axis then I would say that there is most likely something wrong with the ball scre


Jul 12, 2006 |

Oop's Pb BGA's in a RoHS process?

Jun 19, 2006 | 300 balls) was very negative. The lab gave us an estimate of 24~48 hours of run time before failure

Water Soluble vs. No Clean

May 3, 2006 | All good points by Pee Wee Herman; your solder balling may appear if you don't currently have stenci

BGA Reflow Issue

Apr 26, 2006 | That would be correct. Some others call it `Head in Pillow'. The BGA balls are 63/37 and the board

BGA Reflow Issue

Apr 19, 2006 |

BGA Reflow Issue

Apr 18, 2006 |

Apr 14, 2006 | As from previous discussions on this topic here on SMTnet, we are perfectly comfotable using leadfre

Gold Flash with QFN28 problem

Mar 30, 2006 | Yes the balls are at the outer edge. The chips we have are not showing exposed copper, but the lead-

Stencil thickness

Mar 2, 2006 | Dis agree?!?!?! We solder plenty of them o6o3s at honda and they l00k 0k! Solder balls will always


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

Soltec Parts - cheap?

Feb 1, 2006 |

Soltec Parts - cheap?

Feb 1, 2006 |

Capillary Underfill

Jan 31, 2006 |

Lead-free and Leaded solder in the same reflow

Jan 31, 2006 | We just did this and are awaiting the results. Solder balling and a burnt looking flux where visual

Wave Pallets

Jan 24, 2006 |


Jan 5, 2006 | The larger BGA's can also warp more under higher temperatures which causes ball lift, more noticable

How to prevent Bluetooth Module BGA short anybody?

Nov 23, 2005 | Shorted to the sheild or the BGA balls are shorted? Sheilds move a lot during reflow. If this is t

LF BGA Tests

Oct 5, 2005 |


Sep 4, 2005 | hi all, i have a question about the wirebonding That is under what circumstances that the ball bo

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 |

Bga question??

Jun 13, 2005 | BGAs warp during reflow. When balls solidify they lock the device into this warped state. It's not


May 25, 2005 | Has anyone had good luck with the reflow on these extremely heavy bga's. This bga has 1517 balls an

0.5 mm pitch BGA

Mar 2, 2005 | Balls are 0.30 mm diameter, with a height of 0.24 mm It's a 8*8 mm 184 pins BGA.

SMT Pick and Place

FPC* - Fluid Pressure Control - Dispensing Pump