fr4

"fr4" search results in the Electronics Forums



560 results found for "fr4" in the Electronics Forums

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pcb/led/fpc/ccl/xpc/fr4/xpc cutting machine

May 13, 2019 | pcb/led/fpc/ccl/xpc/fr4/xpc board cutting machine if you interested in,please contact us email:

FR-4 PCB Material Recycling?

Feb 20, 2012 | If the FR-4 Material used for PCBs recyclable? If so, who is doing it?

Why delamination happens on PCBs?

Jun 22, 2011 | if its a RoHs Assembly they should be using an FR4 material designed with higher TD to handle higher

Why delamination happens on PCBs?

Jun 16, 2011 | Hi Milroy, One thing to check is the FR4 Laminate being used - if this is a RoHs build is the cor

FR4 or CEM3

Jun 23, 2010 |

FR4 or CEM3

Jun 22, 2010 |

FR4 or CEM3

Jun 16, 2010 |

FR4 or CEM3

Jun 15, 2010 | So..? FR4 or CEM3 ?

FR4 or CEM3

Jun 4, 2010 |

FR4 or CEM3

Jun 4, 2010 |

FR4 or CEM3

Jun 4, 2010 | Hi fotis, Big difference between Cem3 & FR4 is that FR4 the glass is woven and Cem3 is sheet glas

FR4 or CEM3

May 25, 2010 | HI Please Advice witch material can stand more heat FR4 or CEM3. PCB assembly will be used under

Minimum Tg for LeadFree board.

Aug 20, 2009 | What is the minimum Tg for FR4 board to consider as Lead Free board? My issue is, I do not know w

FR4 boards Delamination Cause?

May 8, 2008 | Hi Wayne, I am just curious what material is being called out. Are you just specing FR4 or ar

FR4 boards Delamination Cause?

May 7, 2008 | I have these boards that are a four layer FR4 material, we had been running them for quite awhile wi

FR-4 IN ROHS applications

Apr 26, 2007 | Is anyone using standard FR-4 material for ROHS? All I have ever seen to indicate the need to go to

The story so far!

Dec 7, 2006 | Hi Tg FR4, Nelco 4K

Glass Wicking

Nov 4, 2006 | Well, I can't tell you what the "glass wicking failure on PCB" are but for a standard FR4-pcb the Tg

Printed Circuit Boards

Oct 2, 2006 | All of us wave solder FR4 all day-long, not to say we have never had problems doing it. The selec

Printed Circuit Boards

Oct 2, 2006 | Ooops sorry! Has anyone ever had a problem with using FR4 for a burn-in board? We suggested using Ne

BGA Solder Acceptance Criteria

Aug 25, 2006 | For FR4 ENIG PCB: 1. In a normal condition, what is the broken location after BGA peeled off?(FR4

PCB Baking

Jul 12, 2006 | How to bake the FR4 PCB?

Jig for PCB

Apr 18, 2006 |

RoHS compliant PCB

Feb 2, 2006 |

Rework of thru hole components

Dec 24, 2005 | Hello, I need to rework a thru hole DIP mounted on a metal backed FR4. It is difficult to remove

PDBE and PBB replacements???

Apr 25, 2005 | rush316 First, no one stated that PBB and/or PCBE are in FR4. FR4 contain tetra-bromo-bisphenol

PDBE and PBB replacements???

Apr 25, 2005 | You indicate that PBBs and PBDEs are included in FR4 materials!! Does this include PCB (Printed Cir

Lead Free Substrate

Mar 7, 2005 | It has been my experience that the standard Fr4 material (Tg 135c) will discolor when processed at t

Cleanliness Testing Samples - What to Use?

Oct 4, 2004 | We know SIR coupons are not ROSE coupons, but coupon boards are: * IPC-B-24 (copper and HASL, FR-4

PCB material Nelco13 and FR4

Jun 24, 2004 | Could anyone tell me the difference in PCB material Nelco13 and FR4? PCB dielectric material Nelco13

MOLE

May 22, 2004 | Try either: * Scrap board from the board fabricator * Large peice of blank FR4

F2 and GV as Replacement to FR4 (PCB manufacturing)

Apr 25, 2004 | Hello, Does anyone heard of "F2" or "GV" as replacement materials for FR4?? I'll be glad to have

Lead-free solder

Apr 14, 2004 |

Higher TG for PWB when soldering Lead Free (?)

Mar 8, 2004 | I have processed the following materials in lead free processes: CEM FR1 FR4-120 FR4-140 FR4

Flex embedded into FR4

May 29, 2003 |

Flex embedded into FR4

May 29, 2003 |

Flex embedded into FR4

May 29, 2003 |

Flex embedded into FR4

May 29, 2003 |

Flex embedded into FR4

May 29, 2003 |

Flex embedded into FR4

May 28, 2003 |

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