{
  "patent_number": "US 12134567",
  "country": "US",
  "title": "How to Make Better Ferrite Powder for Industrial Use",
  "original_title": "Ferrite powder and method for producing same",
  "summary": "A specific recipe for creating highly spherical magnetic ferrite particles that mix easily into plastics without ruining the curing process.",
  "what_it_does": "This patent describes a specific chemical composition and manufacturing process for ferrite powder, which is a magnetic material often used as a filler in resins or plastics. By controlling the iron and manganese content, as well as keeping the carbon levels very low, the inventors ensure the powder remains highly magnetic while allowing the resin to harden properly. The process involves thermally spraying a mixture that includes a specific lubricant, resulting in particles that are nearly perfect spheres, measured by a shape factor (SF-1) of 100 to 110. This spherical shape is critical because it allows for a higher 'filling ratio,' meaning you can pack more magnetic material into a plastic component without making it too thick or difficult to work with.",
  "what_it_does_not_cover": [
    "Does not cover ferrite powders with a carbon content higher than 0.100 mass percent.",
    "Does not cover non-spherical or irregularly shaped ferrite particles outside the SF-1 range of 100-110.",
    "Does not cover manufacturing processes that skip the thermal spray step.",
    "Does not cover ferrite compositions containing manganese levels outside the 3.5 to 10 mass percent range."
  ],
  "filed": "2021-01-22",
  "granted": "2024-11-05",
  "expires": null,
  "status": "active",
  "holder": "Powdertech Co Ltd",
  "holder_url": "https://patentbrief.org/company/powdertech-co-ltd",
  "inventors": [
    {
      "name": "Takashi Kojima",
      "url": "https://patentbrief.org/inventor/takashi-kojima"
    },
    {
      "name": "Koji Aga",
      "url": "https://patentbrief.org/inventor/koji-aga"
    }
  ],
  "times_cited": 0,
  "tags": [
    "materials",
    "mechanical",
    "consumer_electronics"
  ],
  "abstract": "Provided are a ferrite powder that suppresses decreases in saturation magnetization and decreases in filler filling ratio and also suppresses inhibition of resin curing, and a method for producing the same. A ferrite powder composed of spherical ferrite particles, wherein the ferrite powder contains iron (Fe) 54.0-70.0 mass % and manganese (Mn) 3.5-18.5 mass %, has an average volume particle size of 2.0-20.0 μm, and has a carbon content of 0.100 mass % or lower.",
  "url": "https://patentbrief.org/patent/us/12134567/falcon-9-block-5",
  "markdown_url": "https://patentbrief.org/patent/us/12134567/falcon-9-block-5/md",
  "google_patents_url": "https://patents.google.com/patent/US12134567",
  "relatedPatents": []
}