{
  "$type": "site.standard.document",
  "description": "Disclosed are a weld portion inspection method using thermal image sensing, and more particularly a method of inspecting a weld portion between a lead portion of a battery cell and a busbar, wherein the weld portion (300) is heated using Joule heat and whether the weld portion (300) is defective is…",
  "path": "/patents/1409878",
  "publishedAt": "2025-12-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B23K31/125",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "Disclosed are a weld portion inspection method using thermal image sensing, and more particularly a method of inspecting a weld portion between a lead portion of a battery cell and a busbar, wherein the weld portion (300) is heated using Joule heat and whether the weld portion (300) is defective is determined based on a temperature increase change of the weld portion (300).",
  "title": "WELD PORTION INSPECTION METHOD USING THERMAL IMAGE SENSING"
}