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Flex PCB Technical Capabilities
Flex PCB Technical Capabilities
FPC Layer
NO.
ITEM
Standard Capabilities
Special Capabilities
1
FPC Layer
1-12L
1-16L
FPC Material
NO.
ITEM
Standard Capabilities
Special Capabilities
2
Base Material
PI (12.5um, 25um, 50um)
100um
3
Copper Type
RA Copper: 12um, 18um, 35um, 70um ED Copper: 12um, 18um, 35um, 70um
6um, 9um, 100um
4
PI Coverlay
12.5um, 25um, 50um
100um
5
Adhesive
PSA Adhesive: 50um-100um (3M467, Tesa 8853, Tesa 8854, etc.)
6
Hot-Press Adhesive
13um, 25um
7
Stiffeners
PI Stiffener: 12.5/25/50/75/100/125/150/200/250 (um) PET Stiffener: 0.125/0.188/0.25(mm) FR4 Stiffener: 0.1mm-2.0mm SUS Stiffener: 0.1mm-0.6mm Aluminum Stiffener: 0.2mm-2.0mm
2mm
8
EMI shielding film
HCF-6000G, PC800, etc.
100um
Board Size & Thickness
NO.
ITEM
Standard Capabilities
Special Capabilities
9
Biggest Board Size
500mm*600mm
10
Longest Board Size
1-2L: 4000mm 3-4L: 2480mm
11
Biggest Board Thickness
2.0mm
12
Thinnest Board Thickness
0.05mm
13
Thickness Tolerance
0.05mm～0.24mm: ±0.03mm 0.25mm～0.47mm: ±0.05mm
Drill
NO.
ITEM
Standard Capabilities
Special Capabilities
14
Minimum Hole Size
0.1 mm
0.025mm
15
Holes Size Tolerance
±0.05 mm
16
Holes Posistion Tolerance
±0.05 mm
17
Minimum vias Pad Size
0.3mm
0.2mm
18
Minimum Annular Ring Size
0.1mm
0.075mm
19
Blind/Buried Vias
Yes
Copper Tracks and Plating
NO.
ITEM
Standard Capabilities
Special Capabilities
20
Minimum Track Width/Space (70um Copper)
0.15mm/0.2mm
0.1mm/0.15mm
21
Minimum Track Width/Space (35um Copper)
0.1mm/0.1mm
0.075mm/0.075mm
22
Minimum Track Width/Space (18um Copper)
0.07mm/0.07mm
0.05mm/0.05mm
23
Minimum Track Width/Space (12um Copper)
0.04mm/0.04mm
0.035mm/0.035mm
24
Track Width Tolerance
20%
0.02mm
25
Tracks/Pads Position Tolerance
≥0.06 mm
≥0.05 mm
26
Tracks/Pads To Board Edge
≥0.15 mm
≥0.05 mm
27
Golden Finger Pitch Tolerance
Pitch:10~20mm : ± 0.03mm, Pitch:20~50mm : ± 0.05mm
28
Copper Plating Thickness
8-20um
29
Hole Copper Thickness
8-20um
35um
30
Minimum Copper Thickness for Hollow Out FPC
35um
Surface Finish
NO.
ITEM
Standard Capabilities
Special Capabilities
31
ENIG
AU: 1-2u" Thickness NI: 40-120u" Thickness
3u” Thickness
32
Electrolytic Nickel Gold (Hard Gold Plating)
AU: 1-50u” Thickness NI: 80-320u" Thickness
33
Immersion Silver
Ag: 6-12u" Thickness
34
OSP
8-16u" Thickness
35
Immersion Tin
SN: 10-60u" Thickness
356
Tin Plating
SN: 5-30um Thickness
37
ENEPIG
Au：1-4u" Thickness NI: 120-200u" Thickness Pd：1-6u" Thickness
Coverlay
NO.
ITEM
Standard Capabilities
Special Capabilities
38
Coverlay Opening Size Tolerance
±0.1 mm
±0.03 mm
39
Minimum Drilling Size on Coverlay Opening
0.45mm
0.2mm
40
Minimum Square Size on Coverlay Opening
0.7mm*0.7mm
0.2mm*0.2mm
41
Coverlay Opening Position Tolerance
±0.1 mm
±0.03 mm
42
Coverlay Align Tolerance
±0.1 mm
±0.02 mm
43
Excessive Glue
≤0.15 mm
44
Minimum Area of Excessive Glue
≤20% Pads Area
Solder Mask and Silkscreen
NO.
ITEM
Standard Capabilities
Special Capabilities
45
Solder Mask Thickness
15um +/-5um
46
Solder Mask Tolerance For Opening Size
+/-0.05mm
+/-0.02mm
47
Solder Mask Tolerance For Opening Position
0.1mm
+/-0.02mm
48
Minimum Silkscreen line width
0.13mm
49
Minimum Silkscreen Gap
0.2mm
50
Minimum Silkscreen Position Tolerance
+/-0.3mm
51
Minimum Silkscreen height
0.8mm
52
Minimum Solder Mask Bridge
0.13mm
Board Outline & Stiffeners
NO.
ITEM
Standard Capabilities
Special Capabilities
53
Board Outline Tolerance with Steel Die
±0.1 mm
±0.03mm
54
Board Outline Tolerance with Knife Die
±0.2 mm
55
Minimum Gap Between Drilling and Board Edge
≥0.5 mm
56
PSA Position Tolerance
±0.2 mm
57
Stiffeners Position Tolerance
±0.2 mm
FPC E-Test
NO.
ITEM
Standard Capabilities
Special Capabilities
58
Test Voltage
10-50V
59
Insulation Test Impedance
≥10MΩ
60
Conduction Test Impedance
≤50Ω
61
Impedance Tolerance
10%
FPC Physical Property
NO.
ITEM
Standard Capabilities
Special Capabilities
62
Solderability Test
245±5℃, 3 Seconds For One Time, Soldering Area≥95%
63
Thermal Shock Test
288±5℃, 10 Seconds Per 3 Times, No Delamination and No Bubbles
64
FCCL Peel Strength
≥0.8kgf/㎠ (1cm width sample)
65
Coverlay Peel Strength
≥0.8kgf/㎠ (1cm width sample)
66
Stiffeners Peel Strength
0.15 N/mm (Hot-Press Adhesive) 0.49 N/mm (PSA Adhesive)
