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Research on Insurance Method for Energetic Materials on Information Self-Destruction Chips.

Hengzhen Feng1, Wenzhong Lou1, Bo He1

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Summary

A novel graphene actuator triggers energetic materials for physical self-destruction (PSD) of information storage chips (ISCs). This system offers rapid, low-energy protection for sensitive data.

Keywords:
energetic materialsinformation insuranceinsurance actuatorphysical isolationphysical self-destruction

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Information Security

Background:

  • Energetic materials offer rapid physical self-destruction (PSD) for information storage chips (ISCs).
  • High electrical sensitivity of energetic materials necessitates controlled triggering mechanisms to prevent accidental activation by leakage currents or electrostatic forces.
  • Existing methods lack efficient integration and reliable triggering for secure data destruction.

Purpose of the Study:

  • To propose and validate a physical self-destruction (PSD) module for information storage chips (ISCs) using a graphene-based insurance actuator and energetic materials.
  • To establish a force-balance relation for the graphene actuator to control the electrical interconnection and physical isolation of energetic materials.
  • To determine the optimal copper azide dosage and parameters for reliable ISC destruction.

Main Methods:

  • Heterogeneous integration of a graphene-based insurance actuator with energetic materials.
  • Establishing force-balance relation between electrostatic van der Waals force and elastic recovery force for the graphene electrode.
  • Numerical analysis of detonation wave stress and experimental preparation of graphene thin films and in situ copper azide.
  • Testing the PSD module's response time, voltage requirements, and physical damage efficacy.

Main Results:

  • The graphene actuator achieved physical isolation within 14 μs upon application of a 4.4-4.65 V signal.
  • Optimized copper azide dosage (0.45-0.52 mg) reliably damaged ISCs (23.37-35.84 mm²) within a 0.05-0.25 mm gap.
  • The system demonstrated effective and controlled physical self-destruction of information storage chips.

Conclusions:

  • The proposed graphene-actuated energetic material system provides a viable solution for secure information storage chip physical self-destruction (PSD).
  • The method ensures rapid response, low driving energy, and high applicability for information insurance.
  • This technology enhances data security by enabling controlled and reliable destruction of sensitive information storage devices.