IF I recall correctly, at one time this material was called "G-10 Epoxy". Roland F. Harriston ******************* Len Warner wrote: > > At 08:22 07/05/15, Digest Number 2184 wrote: > > Posted by: "kevinmwolf@... <mailto:kevinmwolf%40aol.com>" > kevinmwolf@... <mailto:kevinmwolf%40aol.com> kevinmwolf288 > > Date: Mon May 14, 2007 11:52 pm ((PDT)) > > > >I'm sorry- But what exactly is FR4?? > > It stands for "Fire Resistant grade 4", or something like that > and it is the common name for the fibreglass board in high- > quality copper-clad printed circuit board. > > It's the green (usually) stuff that is very strong but tough to > cut, blunts HSSteel drills quickly and makes nasty dust. > > I guess that's probably all you need to know, but if you want > technical detail you now have enough info to Google it. > > Regards, LenW > >
Message
Re: [Homebrew_PCBs] Re: Copper clad
2007-05-15 by Roland F. Harriston