hasl

"hasl" search results in the Electronics Forums



912 results found for "hasl" in the Electronics Forums

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Your choice among surface finishes

Nov 1, 2019 | I does depend on the level of technology of the PCB. RoHS-HASL for basic products and Silver Immers

not good soldering

Sep 17, 2018 |

Immersion Silver Issues

Aug 9, 2017 |

Waves soldering: not enough solder remaining on pads

Jun 6, 2017 | Hi Steve, I just confirmed with the manufacturer and the HASL is tin/lead (or it is supposed to be,

Lead board finish - Lead-free sodler used

Nov 1, 2016 | The bare pcb has lead HASL finish. Components are lead-free and lead-free solder was used to solder

PCB Surface Finishing for good solderability & rework

Jul 15, 2015 | If you are using lead solder (SnPb) HASL is a good choice. If you are using lead-free (RoHS complia

Roller tinning machine

Apr 4, 2015 |

Fiducial Recognition

Jun 25, 2012 |

PCB oxidation

Jun 8, 2011 | Hello, I am having a problem with HASL PCB's after it comes back from the stuffer. To me it looks l

Wetting Issues - Humidity Related

May 10, 2011 | Do you have pictures and/or cross-sections of the non-wet? Is the HASL SnPb or SN100?

Pad finish

Oct 7, 2010 | I just swapped from the HASL to Immersion Silver mainly because the board house we use could not mai

Pad finish

Oct 6, 2010 |

BGA non wetting

Sep 15, 2010 | hi All, Here i snap shot previous PCB(HASL) and current PCB(Immersion Silver).Base on the photo it

Solderability Issues

Aug 13, 2010 | Boards with the LF hasl finish applied too thin will genrally pass the IPC test. That is some pretty

Cleaning Copper Surface

Feb 2, 2010 | Like Dave said, you need to use an acid solution. This is what is used prior to HASL. You will thin

Cleaning Copper Surface

Feb 1, 2010 | can anyone share how copper is being cleaned a a PCB Fab House prior to applying HASL? thanks

Flexible PCB

Feb 1, 2010 |

PCB Delamination in PTH hole

Nov 3, 2009 | was this hasl finish looks like it has been corroded from the inside of the hole wall looking at the

Latent shorts on QFN package

Mar 6, 2009 | I would imagine it is lead free HASL finish board from the sounds of it am I right. Cheers Greg

SN100C Selective Solder Voiding

Nov 12, 2008 | If its an OA flux then this too acts similar to HASL flux in that they are very hygroscopic and woul

SN100C Selective Solder Voiding

Nov 10, 2008 | Dave, You've got me worried - All of the boards we've tested to this point are LF HASL. Why do y

solder balls on pcb

Oct 30, 2008 | solder ball was caused by hasl process not reflow. seen before many times, look around wells of smt

soldering ROHS boards with sn/pb components

Aug 27, 2008 | I need to solder SAC/HASL PC boards in a NON ROHS process (Tin Leaded solder paste and profile + Tin

Criteria for Min Thickness regarding Large and Small pads

Jun 19, 2008 | Please give us more information about the source of the solder that you mention. Is it: * HASL appl

Dendrite growth

Feb 21, 2008 | what is the solde finish on the bare board is it hasl? Are you using OA flux during assembly. A li

Fiducial replacements?

Dec 3, 2007 |

100% solder coverage

Sep 18, 2007 | Simply ask your board manufacturer to Hot Air Solder Level the boards. HASL is a very common procat

Leadfree Wave Erosion

Apr 23, 2007 |

Solder flow Ni/Au

Mar 6, 2007 | Hi Mark, Solder paste will not flow on Ni like it appears on HASL. Where you print it is where i

battery pad

Feb 28, 2007 |

PbF PCB finish

Jan 24, 2007 |

flux residue after HAL

Jan 15, 2007 | celsius or fahrenheit? I am not entirely familiar with the deeper details of HASL, but 130F-140F is

flux residue after HAL

Jan 1, 2007 | Hi Happy New Year HASL fluxes Are very conductive so best advise is get it all off. thanks greg

ENIG-BLACK PAD!!!!

Dec 8, 2006 |

BGA rework with unplugged vias PCB

Dec 7, 2006 | We have our circuit board vendor put a solder mask dot over the vias after HASL process. It's a litt

Lead Free boards

Aug 29, 2006 | Just another thought, your leaded boards might have been HASL, which for soldering always flows just

Immersion Tin

May 2, 2006 | In the past we have used immersion tin as an alternative for HASL. Our biggest problem was shelf lif

BGA Reflow Issue

Apr 26, 2006 |

Poor Paste Release

Jan 9, 2006 | Take a look at the boards, too. Could the HASL be different (in particular a domed or convex cross s

Reflow soldering of 208-RQFP-0.5mm

Oct 31, 2005 | If the board is HASL you may always have trouble. Try to reduce the amount of paste by either reduc

PCB finish for RoHS?

Aug 7, 2005 | Get a couple of quotes on ENIG. You may be surprised at the price. HASL, (which is often considered

Height of USB Connector

Jul 15, 2005 |

Poor reflow over gold plating

Jul 8, 2005 | I did not get that info. We sent them back and the vendor ran them through HASL finish. They process

Chromatography

Flying Probe Probe Tester with AOI