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    "story_id": "mp-2026-08-13-006",
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    "section": "safety-security",
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    "headline": "The Package Could Feel a Nanometer Being Removed",
    "slug": "the-package-could-feel-a-nanometer-being-removed",
    "dek": "A proposed optical sensor turns microscopic delayering or drilling into a measurable sideways shift in reflected light.",
    "summary": "A proposed optical sensor turns microscopic delayering or drilling into a measurable sideways shift in reflected light.",
    "body_text": "The design couples a reflected beam into a high-index sensing layer through frustrated total internal reflection. Numerical simulations show an approximately linear response below 250 nanometers of layer thickness and 5.3 nanometers of beam displacement for each nanometer removed—nearly three times the modeled response of a conventional structure. Drilling depth and width also produce monotonic changes. This is a simulated co-packaged tamper-sensor proposal, not fabricated security hardware or a field test.",
    "why_it_matters": "A proposed optical sensor turns microscopic delayering or drilling into a measurable sideways shift in reflected light.",
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      "This is a simulated co-packaged tamper-sensor proposal, not fabricated security hardware or a field test."
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        "qualification": "This is a simulated co-packaged tamper-sensor proposal, not fabricated security hardware or a field test."
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    "tags": [
      "semiconductor security",
      "photonics",
      "tamper detection"
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    "corrections": []
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  "sources": [
    {
      "source_id": "source-2026-08-13-006",
      "title": "arXiv preprint 2608.12243",
      "publisher": "arXiv",
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      "published_at": "2026-08-12T12:43:54.000-04:00",
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    "title": "The Package Could Feel a Nanometer Being Removed",
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