Cup Motor FPC
Cup motors are widely used in humanoid robot dexterous hands and small joint actuators. Their compact structure and high rotational speed demand exceptional winding accuracy and connection reliability. Hongyi Precision offers round and custom-shaped cup motor FPCs, featuring precision coil patterns and stable soldering interfaces to support long-term reliable operation at high speeds.
Key features
Precision coil pattern
High-accuracy etching ensures consistent coil geometry and electrical performance.
Compact round structure
Precision die-cutting or laser cutting for round and custom contours to conform to motor internal cavities.
Stable soldering interface
Optimized pad surface finish enhances solder joint reliability and durability.
High-speed tolerance
Integrated structural and mounting design optimized for high-RPM operation.
Specifications
- Layer count
- 1 – 2 layers
- Minimum trace/space
- 50 / 50 µm
- Base material
- PI 12.5 / 25 µm
- Copper thickness
- 9 / 12 / 18 µm
- Outline process
- Precision die-cutting / laser cutting
- Surface finish
- ENIG, gold plating
- Outline tolerance
- ± 0.05 mm
- Electrical test coverage
- 100% full inspection
Typical applications
- Dexterous hand drive motor
- Robot joint motor
- Small precision actuator
- Gimbal and lens drive
Talk to an engineer
Share your Gerber files or specification and our engineering team will assess manufacturability, advise on process and stack-up, then move your project through sampling and volume production to automotive standards.
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