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Archecircuit Double-sided PCB for Digital Pen Graphic Stylus

Dimension: 350.00*133.90 mm
Number of layers: Double-sided
Plate thickness: 0.2mm
Plate: FR-4
Application: Digital Pen

Layer Count1-32 Layers
MaterialFR-4 (Tg 135 / Tg140 / Tg155 / Tg170/ As you required)
Rogers / PTFE Teflon
Surface FinishingHASL/OSP/Immersion Gold(FR4)
Printed Wiring:Pattern Plating
Max. Dimension660×475mm
Min. Dimension5×5mm
Finished board thickness:0.2mm-3.0mm
Thickness Tolerance:
( Thickness≥1.0mm)
± 10%
Thickness Tolerance:
( Thickness<1.0mm)
± 0.1mm
Finished Outer Layer CopperDouble sided: 1 oz/2 oz/3 oz/4 oz
Multilayer: 1 oz/2 oz
Finished Inner Layer Copper0.5 oz/1 oz/2 oz
Drill Hole SizeDouble sided: 0.20mm – 6.30mm
Multilayer: 0.15mm-6.3mm
Drill Hole Size TolerancePad Hole: +0.13/-0.08mm
Pressure Welding Hole: ±0.05mm
Blind/Buried ViasDon’t support
Min. Via Hole Size/Diameter1 & 2 Layer: 0.3mm(Via hole size) / 0.5mm(Via diameter)
Multi-Layer: 0.15mm(Via hole size) / 0.25mm(Via diameter)
Via diameter should be 0.1mm(0.15mm preferred) larger than Via hole size
Preferred Min. Via hole size: 0.2mm
Min. Plated Slots0.35mm
Min. Non-Plated Slots0.65mm
Plated Half-holeHole Size: ≧0.15mm
Pad to Board Edge:≧1mm
Min. Size of Board: 10*10mm
Min. Trace width and spacing(1 oz) 0.075/0.075mm (3mil/3mil)
Min. Trace width and Spacing(2 oz)0.16/0.16mm (6.5mil/6.5mil)
Min. Trace width and Spacing(2.5 oz)0.20/0.20mm (8mil/8mil)
Min. Trace width and Spacing(3.5 oz)0.25/0.25mm (10mil/10mil)
Min. Trace width and Spacing(4.5 oz)0.30/0.30mm (12mil/12mil)
Trace Tolerance±20%
Pad to Track≧0.1mm (≧0.09mm BGA)
Min. Annular Ring (1 oz)Double sided: 0.25mm preffered (Limit 0.18mm)
Multilayer:      0.20mm preffered (Limit 0.15mm)
Min. Annular Ring (No copper)0.45mm
BGAPad diameter:≥0.25mm
Spacing between line to pad: ≥0.1mm
(Multilayer: ≥0.09mm)
Solder mask Colorgreen,purple, red, yellow, blue, white, and black.
Solder mask Opening/ Expansion0.05mm
Solder mask ink Thickness≧10um
Min. Solder Bridge WidthDouble sided: 0.10mm(green)
Multilayer:    0.08mm(green)
Min. Line Width≧0.15mm
Min. Text Height≧1mm
Pad To Silkscreen≧0.15mm
RoutingTrace to Outline: ≧0.3mm
Tolerance: ±0.2mm(Once) ±0.1mm(Twice)
V-CutTrace to Outline: ≧0.4mm
Tolerance: ±0.4mm (Board Thickness ≧0.6mm)

How Archecircuit PCB work for Digital Pen Graphic Stylus?


  1. Power Supply Management:
    • The PCB typically includes components for managing the power supply. This may involve a battery or a rechargeable power source to provide energy to the pen’s electronic components.
  2. Microcontroller:
    • A microcontroller is the brain of the digital pen and is mounted on the PCB. It processes input from various sensors and manages the overall operation of the pen.
  3. Sensors:
    • Digital pens often incorporate sensors to detect movement, pressure, and sometimes tilt. These sensors capture the pen’s position and orientation as it moves across a surface.
  4. Memory:
    • The PCB may include memory components for storing data, such as handwritten notes or drawings created with the digital pen. This memory allows users to save and transfer their work.
  5. Communication Components:
    • To transmit data, digital pens often include communication components such as Bluetooth or other wireless technologies. The PCB facilitates the integration of these components, allowing the pen to communicate with other devices like computers, tablets, or smartphones.
  6. Switches and Buttons:
    • PCBs can include switches or buttons that allow users to perform specific actions with the digital pen, such as turning it on/off, activating specific modes, or initiating data transfer.
  7. Charging Components:
    • If the digital pen is rechargeable, the PCB manages the charging process. It may include charging circuitry and connectors for recharging the pen’s power source.
  8. Signal Processing:
    • The PCB processes signals from sensors and other input sources. This involves converting analog signals (such as pressure or tilt) into digital data that the microcontroller can interpret.
  9. LED Indicators:
    • Some digital pens feature LED indicators to provide feedback to users about the pen’s status, battery level, or other relevant information. The PCB controls these indicators.
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