<> <> <> XEROX Neil Gunther Xerox PARC 3333 Coyote Hill Road Palo Alto CA 94304 (415) 494-4401. MTSChannelCard - Rev B Board Vendor: Trend Circuits Inc. 44358 Old Warm Springs Blvd Fremont, CA 94537 651-1150 Vince Batista (PARC Accnts.): ext. 219 Purchase Order: 90223 Mechanical Info: o Board extreme dimensions: 13.12" x 4.8" o 6 layer multilayer board. (4 signal, solid Pwr, solid Gnd) o All the layers are in 1 ounce copper. o FR4 epoxy laminate o Board thickness is 62.5 mills (standard tolerance). o 62 connector fingers. Gold plated (standard gold and nickel thicknesses). o Minimum geometry: 8 mills traces. 8 mills spaces. Smallest hole diameter 26 mills finished. o Dry film soldermask on top and on bottom. o Silkscreen (white) on top. o 4 hole-diameters are used. All holes through-plated. Tolerance ±3 mills finished size. 26 mils finished size; 399 holes 30 mils finished size; 1310 holes 42 mils finished size; 80 holes 140 mils finished size; 2 holes Total 1791 holes. [From MTS.dti file] o Other documentation: 1 mechanical drawing (.dwg). 1 silkscreen film. 1 soldermask film. 6 layer films. 1 drill tape (.m3a; .m3e) and info to read it (.DrillTape.tioga).