{
  "schema": "semiagora.daily-signal-simulation.v1",
  "execution_mode": "precomputed-only",
  "experiment_id": "SA-PTR-HB-002-MECHANICAL-WINDOW-001",
  "slug": "hybrid-bonding-mechanical-window",
  "title": "Hybrid bonding mechanical readiness window",
  "model_boundary": "AFM-like roughness and mechanical-spread teaching model, no manufacturing qualification",
  "public_boundary": [
    "No live server solver execution.",
    "No manufacturing qualification, product package selection, facility procedure, upload, account, payment, comment, newsletter signup, or submission workflow.",
    "Third-party sources remain link-only anchors unless separately reviewed for rights, models, and dependencies."
  ],
  "headline_metric": {
    "name": "Highest readiness index",
    "value": 0.7368,
    "case": {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 3,
      "particle_state": "low",
      "metrology_sigma": 0.033,
      "contact_risk_proxy": 0.195,
      "readiness_index": 0.7368,
      "readiness_band": "study-ready",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    }
  },
  "rows": [
    {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 3,
      "particle_state": "low",
      "metrology_sigma": 0.033,
      "contact_risk_proxy": 0.195,
      "readiness_index": 0.7368,
      "readiness_band": "study-ready",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 3,
      "particle_state": "moderate",
      "metrology_sigma": 0.033,
      "contact_risk_proxy": 0.285,
      "readiness_index": 0.6469,
      "readiness_band": "review-needed",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 3,
      "particle_state": "high",
      "metrology_sigma": 0.033,
      "contact_risk_proxy": 0.405,
      "readiness_index": 0.5268,
      "readiness_band": "review-needed",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 8,
      "particle_state": "low",
      "metrology_sigma": 0.043,
      "contact_risk_proxy": 0.325,
      "readiness_index": 0.6014,
      "readiness_band": "review-needed",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 8,
      "particle_state": "moderate",
      "metrology_sigma": 0.043,
      "contact_risk_proxy": 0.415,
      "readiness_index": 0.5113,
      "readiness_band": "review-needed",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 8,
      "particle_state": "high",
      "metrology_sigma": 0.043,
      "contact_risk_proxy": 0.535,
      "readiness_index": 0.3913,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 14,
      "particle_state": "low",
      "metrology_sigma": 0.055,
      "contact_risk_proxy": 0.481,
      "readiness_index": 0.4387,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 14,
      "particle_state": "moderate",
      "metrology_sigma": 0.055,
      "contact_risk_proxy": 0.571,
      "readiness_index": 0.3488,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.15,
      "stiffness_spread_pct": 14,
      "particle_state": "high",
      "metrology_sigma": 0.055,
      "contact_risk_proxy": 0.691,
      "readiness_index": 0.2288,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.35,
      "stiffness_spread_pct": 3,
      "particle_state": "low",
      "metrology_sigma": 0.049,
      "contact_risk_proxy": 0.311,
      "readiness_index": 0.612,
      "readiness_band": "review-needed",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.35,
      "stiffness_spread_pct": 3,
      "particle_state": "moderate",
      "metrology_sigma": 0.049,
      "contact_risk_proxy": 0.401,
      "readiness_index": 0.522,
      "readiness_band": "review-needed",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.35,
      "stiffness_spread_pct": 3,
      "particle_state": "high",
      "metrology_sigma": 0.049,
      "contact_risk_proxy": 0.521,
      "readiness_index": 0.402,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.35,
      "stiffness_spread_pct": 8,
      "particle_state": "low",
      "metrology_sigma": 0.059,
      "contact_risk_proxy": 0.441,
      "readiness_index": 0.4765,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.35,
      "stiffness_spread_pct": 8,
      "particle_state": "moderate",
      "metrology_sigma": 0.059,
      "contact_risk_proxy": 0.531,
      "readiness_index": 0.3865,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.35,
      "stiffness_spread_pct": 8,
      "particle_state": "high",
      "metrology_sigma": 0.059,
      "contact_risk_proxy": 0.651,
      "readiness_index": 0.2665,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.35,
      "stiffness_spread_pct": 14,
      "particle_state": "low",
      "metrology_sigma": 0.071,
      "contact_risk_proxy": 0.597,
      "readiness_index": 0.3139,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.35,
      "stiffness_spread_pct": 14,
      "particle_state": "moderate",
      "metrology_sigma": 0.071,
      "contact_risk_proxy": 0.687,
      "readiness_index": 0.2239,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.35,
      "stiffness_spread_pct": 14,
      "particle_state": "high",
      "metrology_sigma": 0.071,
      "contact_risk_proxy": 0.807,
      "readiness_index": 0.1039,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.65,
      "stiffness_spread_pct": 3,
      "particle_state": "low",
      "metrology_sigma": 0.073,
      "contact_risk_proxy": 0.485,
      "readiness_index": 0.4248,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.65,
      "stiffness_spread_pct": 3,
      "particle_state": "moderate",
      "metrology_sigma": 0.073,
      "contact_risk_proxy": 0.575,
      "readiness_index": 0.3348,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.65,
      "stiffness_spread_pct": 3,
      "particle_state": "high",
      "metrology_sigma": 0.073,
      "contact_risk_proxy": 0.695,
      "readiness_index": 0.2149,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.65,
      "stiffness_spread_pct": 8,
      "particle_state": "low",
      "metrology_sigma": 0.083,
      "contact_risk_proxy": 0.615,
      "readiness_index": 0.2893,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.65,
      "stiffness_spread_pct": 8,
      "particle_state": "moderate",
      "metrology_sigma": 0.083,
      "contact_risk_proxy": 0.705,
      "readiness_index": 0.1993,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.65,
      "stiffness_spread_pct": 8,
      "particle_state": "high",
      "metrology_sigma": 0.083,
      "contact_risk_proxy": 0.825,
      "readiness_index": 0.0794,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.65,
      "stiffness_spread_pct": 14,
      "particle_state": "low",
      "metrology_sigma": 0.095,
      "contact_risk_proxy": 0.771,
      "readiness_index": 0.1267,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.65,
      "stiffness_spread_pct": 14,
      "particle_state": "moderate",
      "metrology_sigma": 0.095,
      "contact_risk_proxy": 0.861,
      "readiness_index": 0.0367,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    },
    {
      "domain": "packaging",
      "roughness_nm": 0.65,
      "stiffness_spread_pct": 14,
      "particle_state": "high",
      "metrology_sigma": 0.095,
      "contact_risk_proxy": 0.981,
      "readiness_index": 0,
      "readiness_band": "hold",
      "evidence_needed": "roughness map, mechanical spread, particle review, overlay context"
    }
  ],
  "methods": [
    "Contact-risk proxy rises with roughness, stiffness spread, and particle-state penalty.",
    "Metrology sigma grows with roughness and mechanical spread to keep measurement limits visible.",
    "Readiness bands are illustrative evidence states and do not represent pass/fail manufacturing criteria."
  ],
  "limitations": [
    "No NIST image, article text, proprietary package data, bonding recipe, overlay distribution, or qualification limit is reproduced.",
    "No product package recommendation, manufacturing readiness claim, or reliability qualification is made.",
    "Real use needs measured roughness maps, mechanical characterization, overlay context, defect review, bonding trials, and reliability evidence."
  ],
  "evidence": [
    "The dataset preserves every roughness, stiffness-spread, particle-state, sigma, risk, and readiness row.",
    "CSV export supports a packaging-readiness evidence checklist.",
    "The PTR lane now has a hybrid bonding bridge instead of only electrical/thermal package examples."
  ],
  "sources": [
    {
      "label": "NIST hybrid bonding mechanical characterization",
      "url": "https://www.nist.gov/news-events/news/2026/01/nanoscale-mechanical-characterization-hybrid-bonding-ready-structures",
      "note": "Public NIST signal for mechanical-readiness metrology; no article images or text are reproduced."
    }
  ],
  "source_seed_run": "07_assets/factory_lab/daily/2026-08-14/20260814_140522/"
}