Electronics Forum: fr4 material (Page 1 of 23)

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

High voltage PCB material

Electronics Forum | Thu Apr 18 11:44:34 EDT 2002 | jsmith01

Does anyone know of a PCB material that is better at preventing arcing than fr4 or g10?

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

High voltage PCB material

Electronics Forum | Thu Apr 18 16:55:39 EDT 2002 | davef

Yes. Ceramic is much better. We use FR4 in fairly high voltage circuits. What are the particulars? * Where are you arcing * How many layers, prepreg, etc

PCB material Nelco13 and FR4

Electronics Forum | Mon Jun 28 01:44:02 EDT 2004 | George

Thanks a lot !

PCB material Nelco13 and FR4

Electronics Forum | Fri Jun 25 07:13:40 EDT 2004 | davef

Nelco was developed by Park [ http://www.parknelco.com/parknelco/highspeed.htm ] Without fairly involved testing, you may be forced to rely on a c of c from your fabricator. Although, Park may be able to give you a lead.

material of laminates of printed circuit board

Electronics Forum | Thu Feb 03 06:21:57 EST 2000 | Ignacio Simon

I would like to have information about the materials commonly used for laminates of printed circuit boards, their main thermal, mechanical, humidity and electrical characteristics and proper finishing and aplicattions, and advantages/disadvantages be

force between the pad and laminate material

Electronics Forum | Thu Jun 20 04:49:34 EDT 2002 | scottxiao

according to the ressult of cross-section and removing the component, I find there is no black area in the left pad, and the IMC is also normal, so the black nickle is less impossible. the PCB material is not common FR4, just some thing like ceramic,

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