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?
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)
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
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
Electronics Forum | Sat Feb 26 19:58:34 EST 2022 | shobanraj95
Hi, how to automate FR4 sticking one a small section of flex circuit? Currently, we're sticking one by one manually. I need some ideas to improvise, like, loading in 1 flex circuit, then the machine sticks Fr4 onto the flex. Any suggestions please.
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
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
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
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?
