copper thickness

"copper thickness" search results in the Electronics Forums



306 results found for "copper thickness" in the Electronics Forums

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Reflow

Oct 10, 2017 |

Lead free selective solder

Jun 29, 2017 | HOW THICK IS THE BOARD? IS THERE A LOT OF COPPER IN THE BOARD? DOES YOUR CUSTOMERS PROVIDE HEA

pcb manufacturing

Jan 13, 2016 |

Mechanical Delamination at de-panel

Jun 2, 2014 | Background on the PCB: Thickness: .032" Material: Standard Fr4 V-score: Leaves .016" (approx .008" c

paste quality

Feb 13, 2014 |

ENIG Solderability Issues

Sep 30, 2010 |

BGA non wetting

Sep 14, 2010 |

PCB Delamination in PTH hole

Oct 27, 2009 | It's not the first thing we think of in looking at your picture. First off, the lack of copper in th

SN100C Selective Solder Voiding

Nov 12, 2008 | I attended SMTA's copper dissolution webinar this morning and am almost convinced that this is not o

Imm Silver tarnish?

Sep 2, 2008 |

Unusual board with BGA

Dec 12, 2007 |

SMT REWORKING ( BGA )

Apr 16, 2007 |

Board Baking recommendations

Feb 21, 2007 | Yes. Heat reduces OSP solderability protection thickness. For instance, many OSP are shot at the e

Gold Flash with QFN28 problem

Mar 30, 2006 | Not arguing dan, but are you positive that they are not copper? anyway, what is happening is as the

Heat Sink for QFP

Mar 28, 2006 |

ENIG vs Flash Gold

Mar 24, 2006 |

Fillet Tearing

Mar 23, 2006 |

Flux appearance

Mar 17, 2006 | Copper is the base material for the lead. It's tin/lead plated. I finally got profile. Here are the

Silver finish components

Dec 17, 2005 | You know, many SMD components have copper alloy leads and then a copper (or Ni) barrier on them. On

Boards Bowing

Oct 3, 2005 |

Solder Wave

Aug 11, 2005 | Those temp stickers are useless unless you can stick them into the copper barrel. They can only det

ENIG switch contacts

Aug 5, 2005 |

Dewetting on QFP

Jun 7, 2005 |

Solder Wetting Problems, Need Referee's

May 31, 2005 | We have found that when the HASL thickness is less than 5 microns the tin in the HASL reacts with th

Leadfree dip soldering

May 5, 2005 |

enig

Jan 3, 2005 |

HASL on Pads

Jun 14, 2004 | HASL Thickness: * HADCO DFM manual specifies a nominal thickness of 50-1500uin with an option for 1

BGA rework

Mar 8, 2004 | Is this problem really related to the size of the BGA OR the size/thickness of the PCB? Would I be

Ceramic Caps

Feb 24, 2004 |

Porosity in Good Plating

Jul 8, 2003 |

OSP Handling

Jun 27, 2003 |

Making a BGA stand up

Jan 16, 2003 |

Board with immersion Tin

Nov 25, 2002 | You might want to check the tin thickness. I believe you have a minimum of .65 microns in order to a

Black pad analisys

Nov 8, 2002 |

Selective Conformal Coating System - GPD SimpleCoat

SMT Stencil Cleaning Process