{
  "$type": "site.standard.document",
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  "description": "An acoustic attenuation panel to reduce noise that emanates from a source, such as an engine of an aircraft. The acoustic attenuation panel includes a porous face layer, a back layer, and an intermediate section positioned between the face layer and the back layer. The intermediate section includes…",
  "path": "/patents/1386090",
  "publishedAt": "2026-05-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B32B3/12",
    "BOEING CO [US]"
  ],
  "textContent": "An acoustic attenuation panel to reduce noise that emanates from a source, such as an engine of an aircraft. The acoustic attenuation panel includes a porous face layer, a back layer, and an intermediate section positioned between the face layer and the back layer. The intermediate section includes a cellular member with a plurality of cavities, and acoustic metamaterial members positioned in and extending across the cavities.",
  "title": "ACOUSTIC ATTENUATION PANEL"
}