11/07/2007

************* ADDITIONAL INFO FOR  PCB546F BOARD MANUFACTURE ***********

(1)	WRT  PCB546F.* all units are millimeters.

(2)	BOARD TYPE
		4-Layer FR4, Nickel/Gold finish.

(3)	BOARD DIMENSIONS
		152.7mm x 77.0mm x 1.6mm, including copper.
		Board layers equally spaced.
		PCB546F.TC	is top copper.
		PCB546F.L2C	is layer two copper (contains ground plane).
		PCB546F.L3C	is layer three copper.
		PCB546F.BC	is bottom copper.


(4)	GERBER FILES, RS-274-X embedded aperture definitions.
		PCB546F.TS	is top silk screen.
		PCB546F.TM	is top solder mask.
		PCB546F.TC	is top copper.
		PCB546F.L2C	is layer two copper (contains ground plane).
		PCB546F.L3C	is layer three copper.
		PCB546F.BC	is bottom copper.
		PCB546F.BM	is bottom solder mask.
		PCB546F.BS	is bottom silk screen.
		PCB546F.TP	is Top solder paste stencil
		PCB546F.BP	is Bottom solder paste stencil
		PCB546F.CPL	is Component location report (CRS electrotest)
		PCB546F.ZIP	is The PCB fabrication data  for reference
		PCB546F.BRD	is Board Outline + Top Assembly layers
		PCB546F.xls	is Bill of materials, including:	RefDes, ComponentName, Value, Count, 
							Description and Total quantity for batch fields.

(5)     N/C DRILL FILE, excellon format, is Output code type ASCII None, leading zero suppression.
		PCB546F.DRL

		Tool 1 = 0.200 mm
		Tool 2 = 0.300 mm
		Tool 3 = 0.450 mm		
		Tool 4 = 0.965 mm
		Tool 5 = 1.270 mm
		Tool 6 = 1.320 mm
		Tool 7 = 1.702 mm
		Tool 8 = 3.175 mm

(6)	Plated Hole Diameters and Quantities
	0.200mm		14
	0.300mm		525
	0.450mm		6
	0.965mm		56
	1.270mm		7
	1.320mm		12
	1.702mm		55
	3.175mm		4
	------------------------------
	Total		679

(7)	FIDUCIAL MARKS are 1.084mm 'diamond' on outer layers, (1.52mm dia. circle on inner layers) with a reference point on the same centre.

With the centre of the bottom left corner of the board outline drawn at : (20.000, 20.000), 

the fiducials are at:	(22.000, 22.000)
		(86.000, 92.000)
		(171.650, 22.000)