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   "reticle": "5CS8010AC",
   "run": "mpw-004",
   "name": "SKY130 MPW-4 (original)",
   "confidence": "confirmed",
   "source": "Lot records: EF MPW#4, lot 4216266 = 'SKY130 MPW 4'; the set is absent from the 2026-08-25 return shipment (destroyed 2025-06) \u2014 see 5CS8018AC",
   "product": "EF MPW#4 (+ 'With ReRAM' split lot)",
   "lots": [
    {
     "lot": "4216266",
     "lot_name": "SKY130 MPW 4",
     "split": "HS1L7",
     "wafers": 18,
     "customer": "Eagan",
     "exp_ship": "2022-11-12",
     "status": "Fab Process/Mask"
    },
    {
     "lot": "4216266",
     "split": "BS1L7",
     "wafers": 6,
     "exp_ship": "2022-11-28",
     "status": "Fab Process/ThinF"
    },
    {
     "lot": "4216266",
     "split": "ZBS1",
     "wafers": 1,
     "exp_ship": "2022-11-11",
     "status": "Fab Process/ThinF"
    }
   ],
   "efabless_shuttle": "https://platform.efabless.com/shuttles/MPW-4",
   "submission_closed": "2021-12-31",
   "run_date": "2021-12-31",
   "projects": 52,
   "foundry_repo": "third_party/shuttle/sky130/mpw-004/foundry"
  },
  "mask_info": {
   "desc": "N-Well*",
   "step": 17,
   "step_desc": "N-well mask",
   "gds": [
    "64:20"
   ],
   "fill": [],
   "mask_gds": [
    "21:0"
   ],
   "note": "NWM = nwell sized (cnwm.3a outside hvi / 3b inside), with DEPMOS/pwell-resistor exemptions",
   "used_in_sky130": true,
   "variants": [],
   "info": "",
   "expr": ""
  },
  "notes": []
 }
}