FR4

NO	Item	MP	Sample
1	Layers	1-12L	1-18L
2	Final Thickness	0.40mm—3.20mm（16—126mil）	0.40mm—4.0mm
3	Min line width/space	0.10mm/0.10mm (H oz) 0.13mm/0.13mm (1 oz) 0.17mm/0.17mm (2oz) 0.23mm/0.23mm (3 oz) 0.30mm/0.30mm (4 oz)	0.075mm/0.075mm(Hoz)
4	Base copper	IL (Hoz—4oz)OL (Hoz—6oz)	IL (1/3oz—4oz)OL (1/3oz—12oz)
5	Drilling capacity	0.20mm(8mil)	0.15mm(6mil)
6	Hole wall copper thicknedd	35um	35um
7	PTH tolerance	±0.076mm(3mil)	±0.05mm(2mil)
8	NPTH tolerance	±0.05mm(2mil)	±0.025mm(1mil)
9	Positive Back Etching	0.005mm-0.08mm	0.005mm-0.08mm
10	Hole location tolerance	±0.075mm(3mil)	±0.05mm(2mil)
11	Outline size tolerance	±0.1mm punching ±0.127mm routing	±0.1mm(4mil)
12	Min SM bridge	0.10mm(4mil)	0.075mm(3mil)
13	Min SM thickness	8um	8um
14	Aspect ratio	10:1	14:1
15	Bow and twist	≤0.75%	≤0.50%
16	Plug hole capability	0.20—0.60mm(8mil—24mil)	0.20—0.60mm(8mil—24mil)
17	Impedance tolerance	±10%	±8%
18	Surface treatment	LF-HASL (Sn-Ni-Cu),OSP,Imm-Au,Imm-Ag,Imm-Tin	LF-HASL (Sn-Ni-Cu),OSP,Imm-Au,Imm-Ag,Imm-Tin
19	Core thickness	0.1mm（include copper foil）	0.1mm（exclusive copper foil）
20	Max size(inch)	20*50	20*50
21	Mechanical blind and buried vias	0.2mm	0.15mm