6-Schicht-Platine für Computer-Haupt borad

6-layer PCB for computer main borad 1)Copper thickness:1 oz 2)Board thickness: 1.6 mm 3)Min hole size:0.3 mm 4)Base material: FR-4 5)Min hole size: 0.3 mm 6)Min line width: 0.1mm 7)Min line spacing: 0.1mm ITEMS SPECIFICATION LAYER 1-26 BOARD MATERIAL FR-4,CEM-1,CEM-3 BOARD THINCKNESS 0.2mm-6.0mm CAMBER D≤0.75% (DOUBLE SIDE) D≤0.7%(MULTILAYER) IMPENDENCE TOLERANCE ±7% PIH TOLERANCE D>5.0 ±0.076mm 0.3<D≤5.0 ±0.05mm D≤0.3 ±0.08mm MIN. FINISHED HOLE SIZE 0.2mm HOLE COPPER THICKNESS ≥20um MIN. TRACK WIDTH 0.075mm MIN. TRACK SPACING 0.075mm PROFILE SIZE TOLERANCE ±0.1mm PROFILE MILLING MOULDING V-CUT CHANFER COATING HAL, LEAD FREE HAL, ENIG/IMMERSION GOLD, OSP SOLDER MASK COLOR GREEN, BLUE, BLACK, WHITE,RED TECHNNOLOGY BLOCK,BGA,PEELABLE,CARBON INK ASSEMBLY LEAD FREE,NOT LEAD FREE LEGEND COLOR WHITE, BLACK, YELLOW,GREEN CERTIFICATE UL,ROHS,REACH,ISO9001,T/S16949