Rigid-Flex PCB Fabrication Capability

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NO. Item Usual Unusual
1 PCB Layers 1 – 12 layers
2 Laminate | Material Flexible part: DuPont PI, Shengyi PI
Rigid part: PI/FR4
FR4, for lead-free welding
low-loss material
Halogen free
Special materials: Rogers/Arlon/Nelco/Taconic etc
PTFE
Polyimide
3 Delivery Size Delivery Size 570X610mm 570X610mm
Production size 610X640mm 610X640mm
4 Board Thickness thinnest 0.25 mm 0.20 mm
thickest 5.00 mm 5.50 mm
5 Finished board thickness tolerance ±2mil(±0.04m)
6 Copper Thickness Inner Layer 1/3-28 OZ 1/3-30 OZ
Outer Layer 1/7-28 OZ 1/7-30 OZ
7 Inner Line Minimum line width 50μm 50μm
Minimum line spacing 75μm 50μm
8 Outer Line Minimum line width 75μm 50μm
Minimum line spacing 75μm 50μm
9 Min. mechanical Via hole, minimum pad inner Layer 0.45 mm 0.40 mm
Outer Layer 0.40 mm 0.35 mm
10 Laser Via hole minimum pad inner Layer 0.25 mm 0.23 mm
Outer Layer 0.25 mm 0.23 mm
11 Thickness to diameter ratio LBMV 1:1 1:1
MVTH 1:12 1:16
12 Min. dielectric thickness Inner core board 0.025 mm 0.025 mm
Prepreg 0.05 mm 0.05 mm
13 Solder resist min. spacing 60 μm 40 μm
Min. Solder resist bridge 75 μm 65 μm
14 Buried capacitance Insulation thickness: 14 μm
unit-area capacitance: 6.4 nF/in2
Breakdown voltage: >100V
15 Buried resistor Resistance per unit area(ohms/sq.) : 25, 50, 100, 200
16 Impedance control accuracy 10% 5%
17 Plug hole ink plughole
resin plug holes
copper slurry plughole
18 Min Tracing/Spacing 2.5mil/2.5mil
19 Min. Annular Ring 4mil
20 Min. Drilling Hole Diameter 8mil(0.15mm)
21 Min. mechanical drilling 0.15 mm 0.15 mm
22 Laser aperture 0.10-0.2 0mm 0.10-0.20 mm
23 Min. finished via diameter 6mil(0.15mm)
24 Tolerance of dimension 3mil(0.076 mm)
25 Solder Mask Color Green, White, Blue, Black, Red, Yellow
26 Silkscreen Color White, Black, Yellow
27 Surface Finish OSP
HASL(Hot Air Solder Leveling)
HASL Lead-Free
Flash Gold
ENIG (Electroless Nickle/Immersion Gold)
Immersion Tin
Immersion Silver
28 Special technologies Impedance Control+/-10%
Gold fingers
Stiffener (PI/FR4)
Peelable solder mask
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