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Microscopic robots with onboard digital control.

Michael F Reynolds1, Alejandro J Cortese1,2, Qingkun Liu1

  • 1Laboratory of Atomic and Solid-State Physics, Cornell University, Ithaca, NY, USA.

Science Robotics
|September 21, 2022
PubMed
Summary
This summary is machine-generated.

Researchers developed autonomous microscopic robots controlled by onboard electronics. These light-powered, untethered robots, measuring 100-250 micrometers, can walk and respond to optical commands, paving the way for advanced micro-robotics.

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Area of Science:

  • Robotics
  • Micro-engineering
  • Electronics

Background:

  • Autonomous robots are transforming various sectors.
  • Microscopic robots offer revolutionary potential in medicine and environmental remediation.
  • Integrating commercial electronics with microactuators is a key challenge for micro-robot development.

Purpose of the Study:

  • To develop an integration process for onboard electronics and microactuators.
  • To create autonomous, untethered microscopic robots.
  • To demonstrate functional capabilities such as locomotion and response to external commands.

Main Methods:

  • Fabrication of microscopic robots integrating complementary metal-oxide-semiconductor (CMOS) electronics with microactuators.
  • Utilizing light as a power source for the micro-robots.
  • Testing locomotion capabilities and response to optical commands.

Main Results:

  • Successfully built autonomous, untethered microscopic robots (100-250 micrometers).
  • Microscopic robots are light-powered and achieve speeds over 10 micrometers per second.
  • Demonstrated a microscopic robot capable of responding to an optical command.

Conclusions:

  • The developed integration process enables the creation of autonomous microscopic robots.
  • These robots possess capabilities for locomotion, light-powered operation, and environmental responsiveness.
  • This work facilitates the future development of ubiquitous autonomous micro-robots for complex tasks.