Dear Jim, That's interesting.
Let's suppose that we want to improve line spacing. If we used '8�micrometres dot pitch' we could readily change to '7�micrometres dot pitch' or even '7.9�or 7.8�micrometres dot pitch', but where do we go from '3000 dpi minimum'? Cheers, Pat Naughtin CAMS Geelong, Australia on 2002-08-26 06.07, Jim Elwell at [EMAIL PROTECTED] wrote: > At 07:42 AM 25 August 2002 +1000, Pat Naughtin wrote: >>> (2) This Gerber file is loaded into a modern film printer device with very >>> high resolution (3000 dpi minimum, or about 0.008 mm dot pitch), and the >>> software of that device translates from Gerber files with the specified >>> format to the actual film. The film is what is used to make the PCBs. >> >> <snip> >> >> Does anyone use '8 micrometres dot pitch' rather than the '0.008 mm dot >> pitch' that you quote here? It sounds simpler to me. > > Actually, I just calculated that when I wrote the email. I've never heard > anyone use anything other than the "3,000 dpi." > > > Jim Elwell, CAMS > Electrical Engineer > Industrial manufacturing manager > Salt Lake City, Utah, USA > www.qsicorp.com >
