Coaxial fast metal-to-metal switch for high current

Area of Science:

• Electrical Engineering
• Physics
• Materials Science

Background:

• High-speed switching is crucial for various applications, including pulsed power systems and particle accelerators.
• Existing mechanical switches often face limitations in terms of speed, inductance, and reliability.

Purpose of the Study:

• To describe a novel, fast mechanical switch with a coaxial configuration.
• To characterize the switch's performance in terms of inductance, resistance, and switching speed.

Main Methods:

• The switch is driven by a magnetic field, enabling mechanical actuation.
• Coaxial configuration is employed to minimize inductance.
• Key performance metrics including inductance, resistance, delay time, and jitter were measured.

Main Results:

• The switch exhibits a low inductance of 6 nH.
• A low resistance of 3 μΩ was achieved.
• The switch demonstrated a delay time of 25 μs with a jitter of 0.08 μs.

Conclusions:

• The described magnetic-field-driven mechanical switch offers a promising solution for high-speed switching applications.
• Its low inductance, low resistance, and fast, precise switching characteristics make it suitable for demanding environments.
• Further research could explore its integration into advanced technological systems.