Codex

{
  "assumptions": {
    "sourceCopperC": 65,
    "ambientC": 25,
    "copperUm": 35,
    "copperConductivityWmK": 390,
    "maskUm": 25,
    "maskConductivityWmK": 0.2,
    "maskEmissivity": 0.8,
    "brightCopperEmissivity": 0.05,
    "oxidizedCopperEmissivity": 0.8,
    "nominalConvectionWm2K": 5,
    "scope": "Bottom-only copper sheet; no FR4/top/internal conduction, package/via resistance, enclosure, neighboring component heat or actual load power. Existing ground copper is reassigned: do not add these W values to whole-board capability."
  },
  "boards": {
    "before": {
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          "conductanceWPerK": 0.00030369667150884343,
          "isothermalUpperW": 0.012210268234873272,
          "sheetEfficiency": 0.9948894345874144,
          "energyResidualW": 4.167673151034279e-14,
          "meshAreaMm2": 28.130000000000006
        },
        "bright": {
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          "conductanceWPerK": 0.0001506072441655473,
          "isothermalUpperW": 0.006038553338454444,
          "sheetEfficiency": 0.9976379157336047,
          "energyResidualW": 6.514060124640508e-14,
          "meshAreaMm2": 28.130000000000006
        },
        "oxidized": {
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          "conductanceWPerK": 0.0003041069395860781,
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          "energyResidualW": 6.481447323292144e-14,
          "meshAreaMm2": 28.130000000000006
        },
        "h3": {
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          "conductanceWPerK": 0.0002480681944538479,
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          "energyResidualW": 5.2268953054657175e-14,
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        "h10": {
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          "energyResidualW": 3.6349395715618016e-14,
          "meshAreaMm2": 28.130000000000006
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        "halfBrightApprox": {
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          "energyResidualW": 5.196190699940928e-14,
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        "coarseGrid": {
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