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Manufacturing Specifications.

Viasystems  SA supports the customer’s full product life cycle from offering prototype PCBs for new product introduction to high-volume, low-cost fabrication of complex boards .

We will always assist promptly to customers’ needs.

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Specifications

 

Process Capability
Seq Process Item Unit Process Capability
1
Basic Information
Surface
Surface Treatment   Tin lead/ Leadfree HASL, Flash Gold, ENIG, OSP, Immersion Tin/ Silver, Hard Gold
2 Selective Surface Treatment   ENIG +OSP, ENG+ Gold Finger, Flash Gold+HASL. Flash Gold+ Flash Finger, Immersion Silver+ Gold Finger, Immersion Tin+Gold Finger
3
Products Capability
Layer Count Layer 1-40(≥30 Layer Needs Review)
4 Bow and Twist % 0.7 (≤ 0.5 Needs Process Review)
5 Min Finished size mm 10*10
6 Max Finished Size (4L) inch 22.5*33.5 (Needs Review if length exceeds 30 Inch)
7 Max Finished Size (≥6L) inch 22.5*26.5 (Needs Review if length exceeds 22.5 Inch)
8 Multi-press For Blind/Buried Vias / Multi-press Cycle ≤ 3 Times (Needs revew for 2 cycles pressing)
9 Max Finished Size (Double Sides) inch 23*35 (Needs Review if length exceeds 30 Inch)
10 Finished Board Thickness mm 0.20-7.0 (≤ 0.2mm Needs Review), ≤ 0.4mm for HASL
11 Finished Board Thickness Tolerance (≤1.0mm) mm ± 0.1
12 Finished Board Thickness Tolerance (>1.0mm) mm Material Thickness ± 10%
13 Unspecified Finished Board Thicknss Tolerance (No stack up requirements) mm Multilayer: ≤ 2.0 mm can ± 0.1; 2.0-3.0 mm Can ± 0.15; ≥ 3.0mm can ±0.2; Double sides +/- 10%
14
Reliable Test
Peel Strength N/cm 7.8
15 Flammability   94V-0
16 Ionic Contamination ug/cm2 ≤ 1
17 Min Dielectic Thickness mm 0.075 (Only for HOZ Base Copper)/ 1OZ if copper ground area >80%
18 Impedance Tolerance % ±5Ω(<50Ω), ±10%(≥50Ω); ≥50Ω ± 5% <Needs Review>
19
Basic Material Type
Material Type
High Tg Material   Shengyi Tg >170C (S1170)
20 Impedance Control Material Others need Review FR-4, FR-4 High Tg Series
21 RCC Material Needs Review Cooper foil thickness 12um, Dielectic Thickness 65, 80, 100um (After Pressing 55, 70, 90um)
22 Prepeg Type FR-4 Prepreg, LD-1080 (HDI)   7628 2116 1080 3313 106
23 Copper Foil Copper Foil um 12, 18, 35, 70, 105 (Use 70UM base Copper, After Plating 105UM)
24
Innerlayer & Outerlayer Image Transfer
Machine Scrubbing Machine   0.11-3.2mm, min 9*9inch
25
Innerlayer Process Capability
Laminator, Exposer   0.11-6.0mm, min8*8inch, max 24*24 inch
26 Etching Line   0.11-6.0mm, min 7*7 inch
27 Min Inner Line Width (18um copper foil, before Compensation) mil 2.5-3
28 Min Inner Line Spacing (18um copper foil, After Compensation) mil 2.5
29 Min Inner Line Width (35um copper foil, before Compensation) mil 3.5
30 Min Inner Line Spacing (35um copper foil, After Compensation) mil 2.8
31 Min Inner Line Width (70um copper foil, before Compensation) mil 5
32 Min Inner Line Spacing (70um copper foil, After Compensation) mil 3
33 Min Inner Line Width (105um copper foil, before Compensation) mil 6
34 Min Inner Line Spacing (105um copper foil, After Compensation) mil 3.5
35 Min Inner Line Width (140um copper foil, before Compensation) mil 7
36 Min Inner Line Spacing (140um copper foil, After Compensation) mil 8 (7 mils needs review)
37 Min Spacing from hole edge to conductive mil ≤ 6L 8mil (Partial 7mil), ≤18L 10 mil (Partial mil), ≤ 20L 12 mil (Partial 11mil)
38 Min Innerlayer Annular Ring mil 4 (18,35um, Partial 3.5), 6(70um), 8 (105um)
39 Min Innerlayer Isolation Clearance mil Conductive to conductive 10 mil (Partial 8 mil)
40 Min Spacing From board to Conductive mil 8 (Except blind vias) , 10 (Blind Vias)
41 Min Gap with between copper ground   5 (35um base copper) ≥ 2pcs (≥ 70um needs review)
42 Different Copper thinckness for inner core   18/35, 35/70 (needs review)
43 Max Finished Copper Thickness   5oz (175um), ≥ 3oz needs review
44
Outer Layer Process Capabilty
Min Outer Line width (6-12um base copper, before compensation) mil 2.5-3.0 (Achieve copper Thickness 3um-35um)
45 Min Outer Line spacing (6-12/18um base copper, after compensation) mil 2.5
46 Min Outer Line width (18um base copper, before compensation) mil 4 (Achieve copper Thickness 35um-40um)
47 Min Outer Line spacing (18um base copper, after compensation) mil 3.0
48 Min Outer Line width (35um base copper, before compensation) mil 5.0
49 Min Outer Line spacing (35um base copper, after compensation) mil 4.0
50 Min Outer Line width (70um base copper, before compensation) mil 6.0
51 Min Outer Line spacing (70um base copper, after compensation) mil 5.0
52 Spacing from Line to pad, pad to pad (After Compensation) mil 3.5(12um), 4.0(18um, 35um), 5.570um), 6.5(150, 140um)
53 Min Outer Line width (105um base copper, before compensation) mil 7.0
54 Min Outer Line spacing (105um base copper, after compensation) mil 6.0
55 Min Outer Line width (140um base copper, before compensation) mil 8.0
56 Min Outer Line spacing (140um base copper, after compensation) mil 7.0
57 Min Grid Line Width mil 5 (12, 18, 35um), 10 (70um)
58 Min Grid Spacing mil 6 (12, 18, 35um), 8 (70um)
59 Min Hole Pad Diameter mil 12 (0.10mm Mechanical or Laser Drill)
60
Process Capability
Max Size for slot tenting   5mm*3.0mm, the tent land should > 10mil
61 Max diameter for tenting hole mm 4.5
62 Min tent land width mil 8
63 Min annular ring (after compensation, except for blind vias) mil 4 (12, 18um) Partial 3.5, 4.5 (35um), 6 (70um), 8 (105um), 10 (140um)
64 Min BGA Diameter mil 10 (Flash gold 8 mil)
65
AOI
Machine Capability
Orbotech SK-75 AOI / 0.05-6.0mm, Max 23.5*23.5 inch
66 Orbotech Ves Machine / 0.05-6.0mm, Max 23.5*23.5 inch
67
Drilling
Machine MT-GNC2600 Drill machine an Process 2nd dr 0.11-6.0mm, max 18.5*26inch Ȼ0.20mm Drill
68
Process Capability
Min Multi-hit drill bit size mm 0.55
69 Max aspect ratio for board thickness VS drill bit size / 12:1 (except for ≤0.2mm drill bit, exceed 10:1 needs review)
70 Hole location tolerance (Compare with CAD data) mil ±3
71 Counterbore hole   PTH & NPTH,Top angle 130 Degree, Top Diameter < 6.3mm
72 Min spacing from hole edge to conductive (Except or blind vias) mil 6 (≤8L), 7 (≤10L), 8 (≤14L), 12 (≤26L)
73 Max drill bit size mm 6.5
74 Max board thickness for 0.20mm drill bit size mm 2.5
75 Min multi-hit slot width mm 0.45
76 Hole size tolerance for press fit mil ±2
77 Min PTH Slot dimension tolerance mm ±0.15
78 Min NPTH slot dimension tolerance mm ±2 (min +0, -0.05 or +0.05, -0)
79 Min spacing from hole edge to conductive (Blind vias) mil 9 (1 Cycle pressing), 10 (2 Cycles Pressing), 12 (3 Cycles Pressing)
80 Max board thickness for 0.15mm mechanical drill mm 1.20 (≤8L) needs review
81 Min hole size for laser drill mm 0.10 (Depth ≤55um), 0.13 (Depth ≤80um), 0.15 (Depth ≤100um)
82 Countersink hole angle & Diameter   Top 82, 90, 120 Degree, Diameter ≤10mm needs review
83
Wet Process
Machine Capability
Panel & Pattern plating line   0.20-7.0mm, max 24*30inch
84 Deburring Maching   0.20-7.0mm, min 8*8inch
85 Desmear Line Can Process 2nd Desmear 0.20-7.0mm, max 24*32inch
86
Process Capability
Tin Plating Line   0.20-3.2mm, max 24*30inch
87 Min hole wall copper thickness um Average 25, Min ≥20
88 Finished copper thickness (12um base copper) um ≥18
89 Finished copper thickness (18um base copper) um ≥35 (Nominal thickness 52um, or 1.50Oz)
90 Finished copper thickness (35um base copper) um ≥50 (Nominal thickness 65um)
91 Finished copper thickness (70um base copper) um ≥85
92 Min Line width for ectching marking mil 8 (12, 18um), 10 (35um), 12 (70um)
93 Max Finished copper thickness for inner and outer layers / 1 Oz (250um), ≥4 Oz Needs review
94 Different Copper thinckness / 18/35, 35/70 (needs review)
95
Solder Mask
Machine Capability
Scrubbing Machine / 0.50-7.0mm, Min 9*9inch
96 Exposer / 0.11-7.0mm, max 25*32inch
97 Develop Machine / 0.11-7.0mm, min 4*5inch
98
Colour
Solder Mask Colour / Green, Yelloe, Black, Blue, Red, White, Matte Green
99 Component Mask Colour / White, Yellow, Black
100
Solder Mask Capability
Min Solder Mask Opening (Clearance) (After Compensation) mil 2 (Partial 1.5 for Flash Gold, other can partia 1) Only for 18um & 35um
101 Max Plugged vias size mm 0.65mm for drill bit size
102 Min Width for line coverage by S/M mil 2 mil per side, only appplies to 18um and 35um base copper
103 Min solder mask legends width mil 8 (min 7mil)
104 Min solder mask thickness um 10
105 Solder mas thickness for via tenting um 10
106 Carbon oil line (min) mil 10
107 Carbon oil line space (min) mil 14
108 Tracer of carbon (min) mil 2.5
109 Carbon oil line Trace (min) mil 12
110 Min Spacing from Carbon patterns to pads mil 10mil, 70um base copper ≥12mil
111 Min width for peelable mask cover line/ pads mil 6
112 Min solder mask bridge width mil Base copper ≤ 1 Oz, Black, white & Matte ink are 6 mils, other inks are 4 mils. Base copper 2-4 Oz , Min bridge width is 6 mils.
113 Solder mask Hardness H 6
114
Peelable Mask Capability
Min Spacing for Peelable mast pattern to pads mil 12
115 Max Diameter for peelable mask tent hole (By screen printing) mm 2
116 Max Diameter for peelable mask tent hole (By Aluminum printing) mm 4.5
117 Peelable mask thickness mm 0.2-0.5
118
Component Mask Capability
Min Component Mark Line width & height (12, 18um base copper) / Line width 4.5mil; Height 23mil
119 Min Component Mark Line width & height (35um base copper) / Line width 5mil; Height 27mil
120 Min Component Mark Line width & height (≥70um base copper) / Line width 6mil; Height 45mil (State double printing on Lot Card)
121 Min Spacing from legends to pads mil 7
122
Surface Treatment
Surface Treatment Capability
Max Gold Finger Length inch 2
123 Nickel Thickness for ENIG um 3-5um
124 Gold Thickness for ENIG um 0.025-0.10
125 Nickel Thickness for Gold Finger um 3-May
126 Gold Thickness for Gold Finger um 0.25-1.5
127 Min Tin Thickness for HASL um 0.4 (Copper Ground)
128 HASL Machine Can Process 2nd HASL 0.6-40mm, min 5*5; max 20*25inch
129 God Finger Surface Treatment   Flash Gold/ ENIG: Flash Gold/ Hard Gold
130 Plating Au U" 1-5 (Normal 1u")
131 Plating NI U" 120-250 (normal 120u")
132 ENIG & OSP PAD space (min) mil 9mil
133 Immersion Gold   0.2-7.0mm, Min 6*6inch, Max 21*27inch
134 Immersion Tin Thickness um 0.8-1.5
135 Immersion Silver Thickness um 0.1-0.3
136 OSP Thickness um 0.2-0.5
137
E-Test
Machine Capability
Flying Probe Tester   0.4-6.0mm, Max 19.6*23.5inch
138 Min Spacing from Test Pad to Board Edge mm 0.5
139 Min Conductive Resistance Ω 5
140 Max Insulation Resistance 250
141 Max Test Voltage V 55
142 Min Test Pad Diamete mil 6
143 Min Test Pad to Pad Spacing mil 10
144 Max Test Current mil 200
145
Profiling
Machine Capability
Profiling Type / NC Routing; V-CUT; Slot Tabs; Stamp Hole
146 NC Routing Machine Process 2nd round 0.05-7.0mm, Max 25.5*21inch
147 V-CUT Machine mm for one side 0.6-3.0mm, Max board width for v-cut 18inch
148 Min Routing Bit Diameter mm 0.6
149 Outline Tolarance (Line to Line) mil ±4 (Complicated utline, slot eeds review)
150 V-CUT Angle Type   20°, 30°, 45°, 60°
151
Process Capability
V-CUT Angle Tolerance o ±5°
152 V-CUT Registration Tolerance mil ±4
153 V-CUT Web Thickness Tolerance mil ±2
154 Min Gold Finger Spacing (After Compensation) mil 6
155 Min Spacing to avoid gold finger tab Bevelling mm 7 (For Auto-Bevelling)
156 Bevelling Angle Tolerance / ±5°
157 Bevelling Remain Thickness Tolerance mil ±5
158 Min Inner Radius mm 0.4
159 Min Spacing from Conductive to Outline mil 8
160 Contersink or Counterbore Depth Tolerance mm ±0.10

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