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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solder defect

Sep 20, 2019 | Looks like poor wetting/solderability to me. I don’t see heel fillets on the leads where the solder

Stencil and paste used for .4mm pitch csp component ball size .3mm?

Aug 24, 2018 | What do others use as far as solder paste type, stencil thickness and aperature size for a .4mm Ball

Looking for ball attach capability on panel assembly

Aug 19, 2015 | Looking for a Santa Clara area contract service with capability to attach 15mil dia. solder coated C

Selective Soldering

Oct 4, 2011 | Having a selective solder machine without a preheat sounds ODD. Preheats are pretty important to dri

Selective Soldering

Oct 3, 2011 | I have been getting solder balls on the leads of a transformer that I am soldering to my pc board.

selective soldering/nitrogen

Jan 6, 2011 | Nitrogen increase surface tension in solder. This also reduces solder balls.

Solder Graping - What's this?

Mar 16, 2010 | Most often 'solder graping' refers to poor solder wetting, where the solder paste has partially melt

BGA Resistor Array Separating from Balls

Jan 18, 2010 | Hello all, One of our resistor arrays is becoming detached from its balls after reflow. This is

Vapour phase soldering - problem

Aug 19, 2009 | I'd like to ask a question. Have you determined where all those solder balls are coming from? I ev

Solder Splash

Jul 22, 2009 | Hi Russ/Dave/Allen, Is the solder splash and solder ball is came from the same root cause?

Thermocouple soldering

Jun 23, 2009 |

adhesion of copper to solder mask

May 28, 2009 | Hello, We have designed a 160ball bga substrate. Now we want to use the same substrate for the 14

problem in solderability

Sep 4, 2008 |

ive solder profiles

Sep 2, 2008 | use the 2009MLF from Interflux it will take away your solder balls. this is a known issue.

Collapsing of micro bga ball due to improper land pad design ?

Aug 27, 2008 | We'd expect to see: * Solder starved connections at pads with large trace/pad areas. * Less reliab

Collapsing of micro bga ball due to improper land pad design ?

Aug 27, 2008 | Dear davef, Will u pls advice what are all the possible defects caused while soldering ( assemblin

Collapsing of micro bga ball due to improper land pad design ?

Aug 22, 2008 | Hai, In our process we are using the micro bga of size 13X13mm of pitch 0.45mm,after soldering pro

ive solder profiles

Aug 12, 2008 | GR@ICS: Are you drag soldering or point-to-point soldering? Keep in mind. Drag soldering mimics

ive solder profiles

Aug 4, 2008 | After analyzing the pictures I don't think the solder balls are caused by the solder mask. If the p

Solder Splash

Jun 17, 2008 |

XBOX 360, BGA ball problem?

Oct 26, 2007 | Even a proper solder joint will fail if the rite stresses are applied to it. Sounds like you have a

Blowholes during wave soldering

Sep 10, 2007 | Aren't the solder balls a result of the blowholes? you know the solder that came from the blowholes

Blowholes during wave soldering

Sep 6, 2007 | Hi Joris - There is an excellent wave solder guide called "Take No Prisoners" that includes instruct

CSP and BGA soldering difference.

Apr 6, 2007 | Haris: On your soldering issues, we don't know the make-up of your component. We don't know the typ

Black Island/Disco Ball Effect on BGA

Jul 14, 2006 | Hello Folks, Has anyone come across this fascinating but undesirable surface appearance of BGA ball

Solder beads and wave soldering

Jul 10, 2006 | Here is a nugget from the Data Sheet... Wave Soldering: Excess moisture on the PCB during solderi


Apr 11, 2006 | Hi Dougs I worked a bit a few years ago with a diode type soldering laser. I found laser solderin

RoHS compliant BGA with SnPb Balls

Jan 17, 2006 | Solder balls that have more than 0,1% PB are not RoHS compliant. It might be RoHS compatible meanin

Moisture absorption in the solder paste

Nov 8, 2005 | We buy humidity as a potential cause of solder balls, but we're not biting on dewetting. Something

Moisture absorption in the solder paste

Nov 7, 2005 | Hi, We have faced the solderability issue (Dewetting and solder balls)in all the Boards after re

Cold Solder

Jul 2, 2005 | Comments are: * A good looking solder ball does not necessarily mean that you have a good solder co

Cold Solder

Jul 2, 2005 | My customer feedback they found one board with cold solder on the BGA ball.I looked at the picture,t

Solder Paste Flux %

Jun 13, 2005 |

Solder Paste Flux %

Jun 12, 2005 |

Problems with .45 mil ball diameter BGA....

Apr 27, 2005 | One thing that may have been over looked: Not all solder pastes are created equal. Period. The

Problems with .45 mil ball diameter BGA....

Apr 27, 2005 | A 1:1 pad to ball diameter will cause the balls to collapse more giving you less post solder compone

Problems with .45 mil ball diameter BGA....

Apr 27, 2005 | Are you sure about your dimensions? .45mil ball diameter and .8mil pitch, and a body size of 16x8


Jetting Pump for Integration