Printed circuit board manufacture request ========================================= Name Ronja 10M Metropolis Transmitter version 20050111 Constr. class 4 Shape Rectangle with 3 notches. Shape is defined by center of line drawn in metropolis_transmitter.fab.gbr Rounding of inner corners due to tool diameter is permissible. Width 2598.00 mil (65.9892 mm) Height 3583.00 mil (91.0082 mm) Layer file format Gerber RS 274X Drill data format Excellon Drill data meaning Final diameter of the hole Rounding hole Round toward bigger diameter diameters Layers Two-layer through-plated, 2x soldermask, 1x silkscreen Material FR4 Material thickness 1.5mm Copper thickness 35um minimum final copper thickness Chirality All layers are as if viewed from the component side (possibly through the board). Copper polarity Positive. Dark places in file mean copper. Soldermask polarity Negative. Clear spaces in file mean mask matter. Silkscreen polarity Positive. Dark places in file mean paint. Through-plating All holes are through-plated Gold-plating None Surface treatment Hot Air Levelling Edge treatment Milling Testing Optical from 3 pieces up Note: Gerber RS274X format means "Gerber RS-274X Format", defined in the year 1998 by company Barco Graphics N.V., Gent, Belgium (Barco ETS, Tramstraat 69, B-9052 Gent, etsinfo@barco.com), see http://nexp.cs.pdx.edu/twiki-gerber/pub/Gerber/GerberFiles/rs274xrevd_e.pdf File meaning ============ metropolis_transmitter.group0.gbr solder side - copper metropolis_transmitter.backmask.gbr solder side - soldermask metropolis_transmitter.fab.gbr outline and drilling checkplan. Outline of the board is center of the line in this layer. metropolis_transmitter.group1.gbr component side - copper metropolis_transmitter.frontmask.gbr component side - soldermask metropolis_transmitter.frontsilk.gbr component side - silkscreen metropolis_transmitter.plated-drill.cnc drill data - throughplated holes Preview - metropolis_transmitter.ps ----------------------------------- The preview is in the PostScript format and has only informal meaning to check that the data have been interpreted correctly. It's not intended for exposure on film. Front means component and back solder side.