In today's era of rapid robotics advancement, attention often focuses on AI algorithms, sensors, or mechanical structures, while overlooking a seemingly small yet critical component: ultra-thin coaxial cables. These micron-scale, multi-layered cables with precision structures are quietly becoming the core technological backbone enabling robots' flexible motion, precise perception, and efficient interaction.

I. Why Do Robots Need Ultra-Thin Coaxial Cables?

Robots demand far more from cables than traditional devices: they must withstand high-frequency bending in joints while ensuring stable high-speed data transmission, all within lightweight and compact designs. Ultra-thin coaxial cables excel through:

• Superior Anti-Interference: Multi-layer shielding (jacket + outer conductor + insulation) isolates electromagnetic noise, ensuring purity in sensor signal transmission (torque, temperature, vision) to prevent operational errors.
• High Bandwidth & Low Loss: Supports data rates up to 120Gbps, meeting massive data needs for HD vision feedback, real-time control commands, and AI model interactions.
• Flexibility & Durability: Diameters under 1mm with 2D bending radius (twice cable diameter) and over 5,000 flex cycles, perfect for continuous biomimetic joint motions (humanoid finger articulation or robotic dog locomotion).
• Lightweight & Integration: Ultra-thin profiles and reduced weight (carbon nanotube-reinforced copper wires weigh 1/6 of traditional materials) enhance robot agility and battery life.

II. Core Application Scenarios in Robotics

1. Motion Control: Enabling "Flexible Tendons"

In industrial/humanoid/logistics robots' joints, these cables overcome traditional limitations:

• Dynamic Routing: Sumitomo's bend-resistant sensor cables use multi-strand copper alloy conductors and low-adhesion insulation to distribute stress, enduring repeated joint torsion (e.g., collaborative arms' 360° rotation).
• Power-Signal Integration: Tongxin Technology's robot-specific cables deliver 240W fast charging while transmitting control signals, reducing wiring complexity.

2. Perception Systems: Building "Neural Networks"

Critical for multimodal sensors (vision/touch/force):

• Vision Transmission: I-PEX's CABLINE series (0.25mm pitch) ensures stable 4K signal transmission in vision modules (e.g., Leopard Imaging's MIPI cameras), enhancing obstacle avoidance.
• Tactile Feedback: Medical surgical robots use these cables for micro-force signal transmission with sub-1ms latency, achieving precise force sync between controls and manipulators.

3. Human-Robot Interaction: Creating "Natural Communication"

• Voice & Expression: Service robots (e.g., companions) employ these cables to connect microphone arrays and AI chips, suppressing noise while enabling facial expression signals via embedded flexible cables.
• Wireless Charging: Sumitomo's TERX series combines coaxial design with oil/heat resistance for reliable high-voltage transmission in wireless charging modules.

4. Industrial & Specialized Applications: Reliability First

• Extreme Environments: fluoropolymer-insulated cables withstand 200°C, ideal for high-temperature factories or rescue robots.
• Anti-Magnetic Design: Aerospace robots use copper-based non-magnetic coaxial cables to prevent navigation interference from aircraft systems.