{ "opd": "benikigai/ec-1", "commit": 1, "opd_version": "0.4.0", "layer": "parts", "question": "What is it made of, and how much does each part vary?", "data": { "parts": [ { "id": "part:top-shell", "name": "Top shell", "material": { "value": "PC/ABS, charcoal, light texture", "source": "measured", "confidence": "high", "evidence": [ "src:xrf-shells", "src:markings" ], "note": "XRF matches PC/ABS; >PC+ABS< moulded inside" }, "process": { "value": "injection-moulded, 2-cavity tool", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log", "src:photos" ], "note": "two gate vestiges and cavity number 1 or 2 on the inside" }, "mass_g": { "value": 16.6, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units; CAD volume times nominal density gives 16.94 g" }, "geometry": { "step": "parts/top-shell.step", "usd_prim": "/Product/TopShell", "fidelity": "reduced" }, "features": [ { "id": "feat:top-length", "name": "Overall length", "spread": { "mean": 119.9177, "sd": 0.0294, "n": 30, "unit": "mm", "instrument_resolution": 0.01, "evidence": [ "src:caliper-run-1" ] } }, { "id": "feat:top-width", "name": "Overall width", "spread": { "mean": 55.951, "sd": 0.0263, "n": 30, "unit": "mm", "instrument_resolution": 0.01, "evidence": [ "src:caliper-run-1" ] } }, { "id": "feat:stick-hole-dia", "name": "Stick hole diameter", "spread": { "mean": 21.0189, "sd": 0.0154, "n": 30, "unit": "mm", "instrument_resolution": 0.001, "evidence": [ "src:cmm-run-1" ] } }, { "id": "feat:button-hole-dia", "name": "Face button hole diameter (A)", "spread": { "mean": 8.213, "sd": 0.0134, "n": 30, "unit": "mm", "instrument_resolution": 0.001, "evidence": [ "src:cmm-run-1" ] } }, { "id": "feat:shoulder-gap", "name": "Gap at shoulder buttons, closed unit", "spread": { "mean": 0.2147, "sd": 0.0493, "n": 30, "unit": "mm", "instrument_resolution": 0.01, "evidence": [ "src:caliper-run-1" ] } }, { "id": "feat:boss-pilot-dia", "name": "Screw boss pilot diameter", "spread": { "mean": 1.7102, "sd": 0.0109, "n": 30, "unit": "mm", "instrument_resolution": 0.001, "evidence": [ "src:cmm-run-1" ] } } ], "markings": [ { "value": ">PC+ABS<", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] }, { "value": "cavity 1 or 2", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] } ] }, { "id": "part:bottom-shell", "name": "Bottom shell", "material": { "value": "PC/ABS, charcoal", "source": "measured", "confidence": "high", "evidence": [ "src:xrf-shells", "src:markings" ] }, "process": { "value": "injection-moulded, 2-cavity tool", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log" ] }, "mass_g": { "value": 18.1, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units; CAD volume times nominal density gives 18.06 g" }, "geometry": { "step": "parts/bottom-shell.step", "usd_prim": "/Product/BottomShell", "fidelity": "reduced" }, "features": [ { "id": "feat:lip-height", "name": "Wall height at parting line", "spread": { "mean": 12.014, "sd": 0.0305, "n": 30, "unit": "mm", "instrument_resolution": 0.01, "evidence": [ "src:caliper-run-1" ] } }, { "id": "feat:parting-gap", "name": "Parting-line gap, closed unit", "spread": { "mean": 0.0993, "sd": 0.0289, "n": 30, "unit": "mm", "instrument_resolution": 0.01, "evidence": [ "src:caliper-run-1" ] } } ], "markings": [ { "value": ">PC+ABS<", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] } ] }, { "id": "part:button-cap", "name": "Face button cap", "material": { "value": "ABS, off-white, pad-printed legend", "source": "observed", "confidence": "medium", "evidence": [ "src:teardown-log" ], "note": "legend wears on high-use units" }, "process": { "value": "injection-moulded, 8-cavity family tool", "source": "inferred", "confidence": "medium", "evidence": [ "src:teardown-log" ] }, "mass_g": { "value": 0.36, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units; CAD volume times nominal density gives 0.34 g" }, "geometry": { "step": "parts/button-cap.step", "usd_prim": "/Product/ButtonCap_1", "fidelity": "reduced" }, "features": [ { "id": "feat:cap-od", "name": "Cap outside diameter", "spread": { "mean": 7.5777, "sd": 0.0097, "n": 30, "unit": "mm", "instrument_resolution": 0.01, "evidence": [ "src:caliper-run-1" ] } } ] }, { "id": "part:shoulder-button", "name": "Shoulder button", "material": { "value": "PC, charcoal", "source": "inferred", "confidence": "medium", "evidence": [ "src:teardown-log" ] }, "process": { "value": "injection-moulded", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log" ] }, "mass_g": { "value": 0.76, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units; CAD volume times nominal density gives 0.75 g" }, "geometry": { "step": "parts/shoulder-button.step", "usd_prim": "/Product/ShoulderButton_L", "fidelity": "reduced" } }, { "id": "part:dome-sheet", "name": "Silicone dome sheet", "material": { "value": "silicone rubber, 50 Shore A", "source": "inferred", "confidence": "medium", "evidence": [ "src:teardown-log" ] }, "process": { "value": "compression-moulded", "source": "inferred", "confidence": "medium" }, "mass_g": { "value": 0.66, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units; CAD volume times nominal density gives 0.64 g" }, "geometry": { "step": "parts/dome-sheet.step", "usd_prim": "/Product/DomeSheet", "fidelity": "reduced" } }, { "id": "part:stick-module", "name": "Analog stick module", "material": { "value": "mixed: POM shaft, ABS cap, carbon-track potentiometers", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log", "src:ct-run-1" ] }, "process": { "value": "purchased-assembly", "source": "inferred", "confidence": "high" }, "mass_g": { "value": 6.4, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units" }, "geometry": { "step": "parts/stick-module.step", "usd_prim": "/Product/StickModule", "fidelity": "envelope" }, "features": [ { "id": "feat:stick-centre-offset", "name": "Stick centre offset at rest, uncalibrated", "spread": { "mean": 1.7033, "sd": 1.0347, "n": 30, "unit": "% of full scale", "instrument_resolution": 0.1, "evidence": [ "src:eol-sample" ] } } ], "markings": [ { "value": "EXS-10K (fictional)", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] } ] }, { "id": "part:main-pcba", "name": "Main PCBA", "material": { "value": "FR-4, 4 layers, 1.0 mm, ENIG", "source": "observed", "confidence": "high", "evidence": [ "src:ct-run-1", "src:teardown-log" ], "note": "layer count from CT; finish from colour" }, "process": { "value": "smt-assembled, both sides reflowed at the EMS", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log" ] }, "mass_g": { "value": 9.6, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units" }, "geometry": { "step": "parts/main-pcba.step", "usd_prim": "/Product/MainPCBA", "fidelity": "envelope" }, "features": [ { "id": "feat:board-thickness", "name": "Board thickness", "spread": { "mean": 1.006, "sd": 0.0159, "n": 30, "unit": "mm", "instrument_resolution": 0.01, "evidence": [ "src:caliper-run-1" ] } } ] }, { "id": "part:battery", "name": "Li-ion pouch cell, 600 mAh", "material": { "value": "lithium-ion polymer", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ], "note": "read from the cell label" }, "process": { "value": "purchased-assembly with protection board", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log" ] }, "mass_g": { "value": 12.4, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units" }, "geometry": { "step": "parts/battery.step", "usd_prim": "/Product/Battery", "fidelity": "envelope" }, "features": [ { "id": "feat:cell-thickness", "name": "Cell thickness at 50% charge", "spread": { "mean": 5.9163, "sd": 0.0576, "n": 30, "unit": "mm", "instrument_resolution": 0.01, "evidence": [ "src:caliper-run-1" ] } } ], "markings": [ { "value": "3.7 V 600 mAh 2.22 Wh", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] } ] }, { "id": "part:haptic-lra", "name": "Haptic LRA, 10 mm", "material": { "value": "mixed", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log" ] }, "process": { "value": "purchased-assembly", "source": "inferred", "confidence": "high" }, "mass_g": { "value": 1.6, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units" }, "geometry": { "step": "parts/haptic-lra.step", "usd_prim": "/Product/HapticLRA", "fidelity": "envelope" } }, { "id": "part:screw-m2x6", "name": "Screw, M2 x 6, pan head, self-tapping for plastic", "material": { "value": "steel, black zinc", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log" ] }, "process": { "value": "cold-headed, thread-rolled", "source": "inferred", "confidence": "high" }, "mass_g": { "value": 0.24, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units; CAD volume times nominal density gives 0.25 g" }, "geometry": { "step": "parts/screw-m2x6.step", "usd_prim": "/Product/Screw_1", "fidelity": "reduced" } }, { "id": "part:light-pipe", "name": "LED light pipe", "material": { "value": "PC, clear", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log" ] }, "process": { "value": "injection-moulded", "source": "inferred", "confidence": "medium" }, "mass_g": { "value": 0.05, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units; CAD volume times nominal density gives 0.03 g" }, "geometry": { "step": "parts/light-pipe.step", "usd_prim": "/Product/LightPipe", "fidelity": "reduced" } }, { "id": "part:rating-label", "name": "Rating label", "material": { "value": "PET film, printed", "source": "observed", "confidence": "medium", "evidence": [ "src:teardown-log" ] }, "process": { "value": "die-cut, purchased", "source": "inferred", "confidence": "high" }, "mass_g": { "value": 0.05, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units" }, "geometry": { "step": "parts/rating-label.step", "usd_prim": "/Product/RatingLabel", "fidelity": "reduced" } }, { "id": "part:soc", "name": "Bluetooth LE SoC, 7 x 7 mm QFN", "material": { "value": "silicon die in QFN-48", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] }, "process": { "value": "purchased-component", "source": "inferred", "confidence": "high" }, "markings": [ { "value": "EXAMPLE BLE52 (fictional part number)", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] } ] }, { "id": "part:imu", "name": "6-axis IMU, 3 x 3 mm LGA", "material": { "value": "MEMS in LGA-14", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] }, "process": { "value": "purchased-component", "source": "inferred", "confidence": "high" } }, { "id": "part:pmic", "name": "Charger and power IC, 4 x 4 mm QFN", "material": { "value": "silicon die in QFN-24", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] }, "process": { "value": "purchased-component", "source": "inferred", "confidence": "high" } }, { "id": "part:usb-c", "name": "USB-C receptacle, mid-mount", "material": { "value": "LCP body, gold-plated contacts", "source": "observed", "confidence": "medium", "evidence": [ "src:teardown-log" ] }, "process": { "value": "purchased-component", "source": "inferred", "confidence": "high" } }, { "id": "part:antenna", "name": "2.4 GHz chip antenna", "material": { "value": "ceramic", "source": "observed", "confidence": "high", "evidence": [ "src:ct-run-1" ] }, "process": { "value": "purchased-component", "source": "inferred", "confidence": "high" } }, { "id": "part:crystal", "name": "32 MHz crystal", "material": { "value": "quartz in ceramic package", "source": "observed", "confidence": "high", "evidence": [ "src:markings" ] }, "process": { "value": "purchased-component", "source": "inferred", "confidence": "high" } }, { "id": "part:passives", "name": "Passives kit, about 120 parts", "material": { "value": "MLCC, thick-film resistors, ferrites", "source": "observed", "confidence": "medium", "evidence": [ "src:ct-run-1" ], "note": "count from CT, values not identified" }, "process": { "value": "purchased-component", "source": "inferred", "confidence": "high" } }, { "id": "part:pcb", "name": "Bare board, 4 layers", "material": { "value": "FR-4, Tg 150", "source": "inferred", "confidence": "medium" }, "process": { "value": "fabricated board", "source": "inferred", "confidence": "high" } }, { "id": "part:retail-box", "name": "Retail box", "material": { "value": "SBS board, 350 gsm, matte laminate", "source": "observed", "confidence": "medium", "evidence": [ "src:teardown-log" ] }, "process": { "value": "printed, die-cut, glued", "source": "inferred", "confidence": "high" }, "mass_g": { "value": 48, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units" } }, { "id": "part:pack-tray", "name": "Pulp tray", "material": { "value": "moulded pulp", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log" ] }, "process": { "value": "wet-pressed pulp", "source": "inferred", "confidence": "medium" }, "mass_g": { "value": 14, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units" } }, { "id": "part:usb-cable", "name": "USB-C to USB-A cable, 1 m", "material": { "value": "TPE jacket, copper", "source": "observed", "confidence": "high", "evidence": [ "src:teardown-log" ] }, "process": { "value": "purchased-assembly", "source": "inferred", "confidence": "high" }, "mass_g": { "value": 22, "unit": "g", "source": "measured", "confidence": "high", "evidence": [ "src:caliper-run-1" ], "note": "scale, 0.01 g, mean of 30 units" } } ], "assemblies": [ { "id": "asm:top-sub", "name": "Top shell with buttons and dome sheet" }, { "id": "asm:core", "name": "Bottom shell with PCBA, stick, battery and haptic" }, { "id": "asm:ec-1", "name": "EC-1, closed unit" }, { "id": "asm:packed", "name": "Packed unit" } ] } }