solder ball test

"solder ball test" search results in the Electronics Forums



4066 results found for "solder ball test" 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

No Clean OSP process cause ICT testing issue due to Flux building in testvia hole

Apr 3, 2019 | We still use Via as test points. so we need to paste Via. Pasting will make better contact with prob

No Clean OSP process cause ICT testing issue due to Flux building in testvia hole

Mar 29, 2019 | Why are you printing paste on test via? In the old days, we probed soldered pads to cushion impact f

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

Water-soluble flux vs test socket cleaners?

Mar 15, 2015 | Sure, the formulation and purpose of a soldering flux and a socket cleaner are basically the same. O

reflow solder joint shear strength

Jul 3, 2013 | Shear tests are [in my opinion] senseless. The shear stress you measure depends more on the shear ra

Solder Pot Draining

Mar 20, 2013 |

MLC reflow using high temp Sn10Pb90 solder balls

Nov 12, 2012 | High-temp ball Sn10Pb90 + eutectic solder paste is common place for MLC reflow. Temperatures necessa

MLC reflow using high temp Sn10Pb90 solder balls

Nov 8, 2012 | I am considering using high-temp ball Sn10Pb90 + eutectic solder paste for MLC reflow (no underfill)

Selling Used solder 63/37 Tested $6.50/lb FOB Toronto Canada

Oct 23, 2011 | Does your solder supplier buy-back solder?

Selling Used solder 63/37 Tested $6.50/lb FOB Toronto Canada

Oct 14, 2011 | I have a wave solder machine I am replacing, it is full of tin lead 63/37. I would like to sell off

How to choose a new solder paste

May 26, 2011 | Here's what I do: - Test Surface Insulation Resistance (we're in the high reliability market and

Need Solder Ball 95.5% Sn 4.0% Ag 0.5% Cu

May 19, 2011 | Try Easyspheres (Kester), or Q-Pearls (Qualitek), or Alpha. They all have solder spheres in that all

Need Solder Ball 95.5% Sn 4.0% Ag 0.5% Cu

Apr 29, 2011 | I am looking for immediate stock of a high temp lead free solder ball. 0.60 mm dia. and an Alloy of

solder alloy preforms

Apr 29, 2011 | Our company is finishing up a design prototype for an easy to use re-balling fixture. 100% ball att

Solder Splash

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

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

expired solder paste

Apr 3, 2008 | Potential impacts of using expired solder paste are [University of Bolton]: * Changed paste rheolog

Solder Paste Dry out

Mar 4, 2008 | I talked to a solder paste chemsist and found out a few things. From above (Dave F) states a test

Solder Paste Dry out

Feb 29, 2008 | Solder paste suppliers often make recommendations on solder paste handling after removing it from th

BGA 0.5mm pitch Ball 0.3mm assembly and soldering.

Dec 26, 2007 | I am looking for suggestion of BGA 0.5mm pitch Ball 0.3mm (BGA 8x8mm)assembly and soldering. Stenci

Calculating Solder Volume

Nov 8, 2007 | Why? Just use IPC on finished solder joints as your guide. I've seen groups of people puts hundred

Solder Joint Strength Comparison

Sep 4, 2007 | How do other people check their solder joint strength after a process change? For example, say you

Reflow soldering issues

Feb 12, 2007 | Q1. If I go to the Pb-free solder paste, is it necessary that I have to change my reflow oven OR jus

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

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

Solder beads and wave soldering

Jul 3, 2006 | Hi, I am experience problems while testing wave soldering SMT components that are glued on the so

what kind of void test do u perform in paste industry

Jun 16, 2006 | I�m working in Solder paste manufacturing industry and my customer has complained the void issue on

Lead-free and Leaded solder in the same reflow

Feb 3, 2006 | At my last employer, we ran a number of tests to make a "Hybrid" profile work (same profile Joe list

Solder Paste Evaluation

Jan 11, 2006 |

Solderability

Oct 31, 2005 |

solder strength

Sep 2, 2005 | Dougs: What is the purpose of this test? Lately, we have had a lot of boards that do not withs

solder strength

Sep 2, 2005 |

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

Chromatography

Dual Lane Reflow Oven