Electronics Forum: fr4 (Page 1 of 56)

fr4 material

Electronics Forum | Wed Mar 10 16:18:29 EST 1999 | greg cronin

I am looking for a supplier for bare fr4 material. I use the fr4 for fixtures and my supply has run out. A supplier in the new england area would be the best. thank you

Re: fr4 material

Electronics Forum | Wed Mar 10 18:37:27 EST 1999 | Earl Moon

I am looking for a supplier for bare fr4 material. I use the fr4 for fixtures and my supply has run out. A supplier in the new england area would be the best. thank you New England Laminate Co (NELCO) and Polyclad in NH. Earl Moon

Re: fr4 material

Electronics Forum | Thu Mar 11 10:37:01 EST 1999 | Justin Medernach

I am looking for a supplier for bare fr4 material. I use the fr4 for fixtures and my supply has run out. A supplier in the new england area would be the best. thank you New England Laminate Co (NELCO) and Polyclad in NH. Earl Moo

FR4 or CEM3

Electronics Forum | Tue Jun 15 01:30:32 EDT 2010 | nikopolidis

So..? FR4 or CEM3 ?

FR-4 PCB Material Recycling?

Electronics Forum | Mon Feb 20 15:50:33 EST 2012 | ccross

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

Cleanliness Testing Samples - What to Use?

Electronics Forum | Mon Oct 04 20:06:31 EDT 2004 | davef

We know SIR coupons are not ROSE coupons, but coupon boards are: * IPC-B-24 (copper and HASL, FR-4 and polyimide) * IPC-B-36 (bare copper and HASL, FR-4 and polyimide) * IPC Phoenix board (bare copper, FR-4) * IPC-B-25A (FR-4, bare copper only)

PCB material Nelco13 and FR4

Electronics Forum | Thu Jun 24 23:57:42 EDT 2004 | George

Could anyone tell me the difference in PCB material Nelco13 and FR4? PCB dielectric material Nelco13 is quite new for me and I knew nothing about it. For imcoming quality control (IQC), I am asked to identify PCB made of FR4 and Nelco13. How to do th

FR-4 IN ROHS applications

Electronics Forum | Thu Apr 26 16:47:52 EDT 2007 | Cmiller

Is anyone using standard FR-4 material for ROHS? All I have ever seen to indicate the need to go to a high tg/td board is that the material may fail after repeted rework. I have a customer that is trying to use IS-410 and it is causing electrical pro

Fr4 Properties

Electronics Forum | Mon Jun 14 11:19:48 EDT 1999 | Frank Frimpong

Hello, I am looking for the surface resistivity and volume resistivity of standard fr4 as a function of temperature and /or humidity . can any one help?

FR4 vs Polyamide

Electronics Forum | Mon Feb 15 14:28:09 EST 1999 | Andy Bellworthy

Any info on the pros and cons of FR4 or Polyamide ref the use of soldering PGAs would be helpful. ie. temp co-efficient diffs, baking, wave soldering, Convection reflow etc

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