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PCB Capabilities

Know PCBBUY’s Capabilites & Get your PCBs Built Fast

  • PCBBUY provides PCB prototype full / partial turnkey PCB assembly services worldwide.

  • PCBBUY factory adopts 6S in production, and PCB shipments are 100% meet IPC Class II standard.

  • PCBBUY Faster response times Better understandings of your PCB needs

  • PCBBUY relies on the manufacturing execution system that connects and monitors machines.

  • PCB Specifications
    Items Capability Notes Patterns
    Layer count 1-8 layers Layer count means the number of copper layers in the board.
    Stackup 4 layer pcb、6 layer pcb、8 layer pcb PCB Stackup
    Material FR-4 KB-6160(TG135),KB-6165F(TG150),KB-6167F(TG170
    Halogen-free soldering ink solder soldering ink
    CEM-1 KB-5150(TG130)
    Solder Mask Ink KSM Ink KSM series photoimageable solder mask.
    Taiyo Ink Taiyo UV LED (380~420nm) curable Ink jet Marking ink
    Maximum PCB Size 1000×600mm 1-2 Layer: Max PCB size 1000*600mm ,the width of V-CUT guide direction should not exceed 500mm. Multi-Layer: Max PCB size 525×500mm, V-CUT guide direction should not exceed 480mm
    Minimum PCB Size 1×3mm Min single PCB size>1×3mm,≤20×20mm is super small PCB,V-CUT panel Minimum production size>76×76mm Note:OSP≥50*80mm, non V-CUT direction size>100mm,Immersion Tin≥80*120MM
    Dimension Tolerance ±0.2mm ±0.2mm for CNC routing, and ±0.4mm for V-scoring
    Board Thickness(Max) 2.4mm The thickness of finished board 0.25/0.3/0.4/0.6/0.8/1.0/1.2/1.6/2.0/2.4mm
    Board Thickness(Min) 0.3mm
    Core Board Thickness(Min) 0.25mm contain copper
    Finished Board Thickness Tolerance( Board Thickness≥0.8mm) ± 10% Take the 1.6mm board thickness as an example, the finished board thickness ranges from 1.44mm(T-1.6×10%) to 1.76mm(T+1.6×10%)
    Finished Board Thickness Tolerance( 0.4mm≤Thickness<0.8mm) ± 0.1mm Take the 0.6mm board thickness, the finished board thickness 0.5mm(T-0.1)~0.7mm(T+0.1)
    Thickness Tolerance( Thickness<0.8mm) ± 0.075mm Take the 0.8mm board thickness, the finished board thickness ranges from 0.725mm(T-0.075) to 0.875mm(T+0.0.075).
    Finished Outer Layer Copper(Max) 4oz The maximum finished copper weight of outer layer is 4oz
    Finished Inner Layer Copper(Max) 3oz The maximum finished weight of inner layer is 3oz

  • Drill/Hole Size
    Items Capability Notes Patterns
    Maximum Drill Hole Size Φ6.50mm Max.drill size is 6.50mm.
    Minimum Drill Hole Size Φ0.2mm Min. drill size is 0.20mm.
    Drill Hole Size Tolerance(PTH) PTH ±0.075mm Take the 0.6mm PTH hole size for example, the finished hole size between 0.525mm to 0.675mm is acceptable.
    Drill Hole Size Tolerance(NPTH) NPTH ±0.05mm Take the 0.6mm NPTH hole size for example,NPTH hole size between 0.55mm to 0.65mm is acceptable
    Hole wall Copper Thickness(TH) Average value ≥18um Special requirements can be specified
    Blind/Buried Vias Support Support Blind/Buried Vias
    Min. Via Hole size 0.2mm/ 0.4mm For 1-8 Layer PCB, the minimum via hole size is 0.2mm,diameter 0.4mm
    Pad Size (minimum) 0.2mm ×1.0mm The pad hole size will be enlarged 0.127mm in production.
    Min. Non-plated holes 0.40mm The minimum NPTH dimension is 0.40mm, Please add the NPTH in the mechanical layer or keep out layer.
    Min. Plated Slots 0.4mm The minimum plated slot width is 0.4mm, which is drawn with a pad.
    Min. Non-Plated Slots 0.45mm The minimum Non-Plated Slot Width is 0.45mm, please draw the slot outline in the mechanical layer(GML or GKO)
    Hole Plated Aspect Ratio(Max) 10:1
    Outer Image to Hole Tolerance(Min) ±3mil The outer image in design file to the hole tolearance ±3mil are acceptable
    Hole to Hole Tolearance(Min) ±2mil The accuracy of holes in design file and the physical holes ±2mil are acceptable.
    Hole Size Tolerance (Plated) ±0.075mm Take the 0.6mm PTH hole size for example, the finished hole size between 0.525mm to 0.675mm is acceptable.
    Hole Size Tolerance (Non-Plated) ±0.05mm Take the 0.6mm NPTH hole size for example, NPTH hole size between 0.55mm to 0.65mm is acceptable

  • Minimum Annular Ring
    Items Minimum annular ring PTH Patterns
    1oz Copper 0.13mm 0.3mm
    2oz Copper 0.2mm 0.3mm

  • Minimum clearance
    Items Capabilities Patterns
    PTH to Track 0.3mm
    Via to Track 0.2mm
    Via to Via 0.3mm
    PTH to PTH 0.5mm

  • Minimum trace width and spacing
    Items Capabilities Patterns
    Minimum Trace Width and Spacing(Outer layer) T/TOZ: 2.5mil/ 2.5mil(T=1/3OZ)
    H/Hoz: 2.5mil/2.5mil
    1/1oz: 3mil/3mil
    2/2OZ: 6mil/6mil
    3/3OZ: 10mil/10mil
    4/4OZ:14mil/14mil
    Minimum Trace Width and Spacing(Outer layer) T/Toz: 2.5mil/2.5mil
    H/Hoz: 2.5mil/2.5mil
    1/1OZ: 4mil/4mil
    2/2OZ: 6mil/6mil
    3/3OZ: 10mil/10mil
    4/4OZ:14 mil/14 mil

  • Solder Mask
    Items Capabilities Notes Patterns
    Solder Mask Registration Tolerance ±3mil Solder Mask Tolerance ±3mil is acceptable
    Solder bridge(minimum)v green oil:4mil
    black/white、pink:5mil
    other variegated oils:4mil
    If there are welding resistance bridge requirements, please note!
    If the color of the resistance is green, the width of the ink must be ≥4mil
    (wire bonding pad with The cooper thickness of 1oz, The spacing needs to be 7mil)
    black/white/pink: the width of the ink must be ≥5mil (wire bonding pad with The
    cooper thickness of 1oz, The spacing needs to be 7mil) other variegated oils: the width of the ink must be ≥4mil
    Solder mask color green,white, black, blue, yellow, red, matte black, matte green We use LPI (Liquid Photo Imageable) solder mask. It is the most common type of mask used today.
    Solder mask thickness(Minimum) ≥8μm We use KSM series solder mask≥8μm
    Solder mask plugged hole size ≤0.45mm Plugged vias diameter≤0.45mm, Board inner hole≥0.45mm , plugged vias are not full by default

  • Board Outlines
    Items Capabilities Notes Patterns
    Board Outline tolerance ±4mil Ships as individual board(Rounting):Trace to Outline≥0.2mm
    Board Outline tolerance(hole to edge) ±4mil Ship as panel with V-scoring: Trace to V-cut line≥0.4mm
    Board Outline Inner Angle (Minimum) R≥0.5mm
    V-CUT Board Thickness(Min/Max) 0.5mm/3.2mm V-CUT board thickness 0.5mm~3.2mm are supported (thickness ≤0.4mm ,we sugguest to use Stamp holes, if specified V-CUTcannn't meeter the tolerance ±0.10mm by default)
    V-CUT Remaining Bridge thickness tolerance(Minimum) ±0.10mm V-CUT remaining bridge part thickness minimum ±0.10mm
    V-CUT Deviation 0.10mm Minimum V-CUT deviation degree is 0.1mm

  • Panelization
    Items Capabilities Notes Patterns
    The minimum panel size The minimum panel size is 60*60mm Minimum Panel size is 60×60mm Note:OSP≥50*80mm, non V-CUTdirection size>100mm.
    The maximum panel size The maximum panel size is 1000*500mm 1-2 Layer panel 1000*500mm ,the width of V-CUT guide direction should not exceed 500mm Multi-Layer: max panel size is 625×480mm V-CUT guide direction should not exceed 480mm

  • Other
    Items Capabilities Notes
    Countersink Hole Size Special requirements can be specified Special requirements can be specified
    Advanced Options No limits for V-CUT length ,4-Wire Kelvin Test, Two-colored Soldermask, Two-colored silkscreen V-CUT min gap between two cuts ≥2mm Kelvin Test Min PAD≥4*8mil(It's avaible when charging advance option) Two-colored soldermask tolerance+/-1mm
    Impedance Control tolerance ±10% If choose impedance control T=50Ω,actual impedance control 45Ω(T-50Ω×10%)~55Ω(T+50Ω×10%)is acceptable
    Bow and twist tolerance bow and twist≤0.75%
    Surface Finish HASL/ HASL-Lead free/ENIG/Emersion Tin/ OSP/Bare Board
    HASL Thickness 2-40μm
    INIG Gold Thickness 1-3uin(μ") Special requirements can be specified
    INIG Nickel Thickness 100-200uin(μ") Special requirements can be specified
    Electrical Test Flying Probe Test/Fixture made electrical test
    IPC Standard IPC CALSS II If IPC CALSS III is required, price needs to be reviewed