hasl

"hasl" search results in the Electronics Forums



912 results found for "hasl" in the Electronics Forums

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Solder balls

Nov 20, 2019 |

TIN LEAD SILVER BGAS

Dec 22, 2018 | My BGA is 0.5mm pitch with Sn66Pb36Ag2 ball. My PCB finish is HASL. Want to do reflow using Eutectic

Reflow soldering issue

Aug 24, 2018 | To my mind, the solder paste has clearly melted, but your HASL plating has not. This with your profi

Immersion Silver Issues

Aug 7, 2017 |

OSP PCB Plating

Jul 16, 2014 |

Multiple reflows

Feb 1, 2013 |

Fiducial Recognition

Jun 12, 2012 |

Sn100C Plating, Mixed Alloy Scenario

Dec 13, 2011 | Here's the scenario: PCB Plating: Lead free HASL, Sn100C Solder Paste used: Sn62 (regular ti

Solder Ball issue

Aug 20, 2011 |

Help with dewetting

May 25, 2010 |

Hand Sanitizer

Sep 18, 2009 |

solder balls on pcb

Oct 24, 2008 |

solder balls on pcb

Oct 23, 2008 | We have 8 layer HASL PCB. We saw molten solder blobs / balls on op side of assembled PCB. (to check,

PCB Finishes

Dec 3, 2007 | We've just completed an experiment for one of our customers using lead-free HASL. From a manufact

0402 aperture design lf

Apr 24, 2007 | If the PCB you are using is a HASL pad finish and is a leaded assembly, we use homeplate pads with a

flux residue after HAL

Dec 27, 2006 | water alone especially cold is not good enough, how do you check for hasl fluids when most residues

Yellowish

Oct 3, 2006 | Glenn, What alloy are you using for Pb-free HASL? You say tin copper nickel, but is it SN100C?

Stencil thickness

Mar 2, 2006 |

Same wave process do not apply to all finish board

Oct 14, 2005 | Here's what I believe is happening. The main difference between the HASL boards and the gold plated

Dry boards for leadfree reflow

Sep 15, 2005 | In our current process we don't need to dry our pcb's. We use FR4 HASL boards. For the leadfree pr

PCB finish for RoHS?

Aug 4, 2005 |

RoHS Compliant Materials

May 31, 2005 |

Solder in via holes causing printing problems

Jan 6, 2005 | It appears that this particular PCB supplier has a non-optimum HASL process along with other issues.

Soldermask Defined BGA Pads

Oct 20, 2004 | Hi Matt, Sounds like the HASL may be to thin on some pads and you're getting copper migration. If

Lead Free ...

Sep 2, 2004 |

PCB Surface finish

Jul 5, 2004 |

BGA vrs CGA....

Sep 20, 2003 |

Sn plated

Apr 17, 2003 |

Insufficient Wetting to Lands

Nov 24, 2002 | On a HASL board that has poor wetting on the pad, consider looking further downstream in the process

Gold plated PCB's

May 3, 2002 |

Flying Probe Probe Tester with AOI

Used smt