Carpenter Technology patented a bonded soft magnet object made of iron-containing alloy particles with a size range of 200 nm to 100 microns. The method involves indirect additive manufacturing to produce the magnet. The claim specifies the use of silicon-containing steel composition for the particles. GlobalData’s report on Carpenter Technology gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Carpenter Technology, Powder bed fusion was a key innovation area identified from patents. Carpenter Technology's grant share as of May 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Bonded soft magnet object with silicon-containing steel composition
A recently granted patent (Publication Number: US11993834B2) discloses a novel bonded soft magnet object made of bonded soft magnetic particles with a silicon-containing steel composition, exhibiting soft magnet characteristics. The bonded soft magnetic particles have a particle size ranging from at least 200 nm up to 100 microns, providing unique properties to the magnet object. Additionally, the patent claims variations in particle size, silicon content in the steel composition, and the inclusion of electrically insulating particles in the bonded soft magnet object.
Furthermore, the patent describes a method for producing the bonded soft magnet through indirect additive manufacturing. The process involves creating a preform using soft magnet material particles bonded together with an organic binder, followed by binder removal and sintering to produce the final bonded soft magnet. The method allows for the production of bonded soft magnets with high packing density and specific particle size distributions. The inclusion of silicon in the steel composition, as well as the admixture of magnetically insulating particles, adds to the unique properties of the bonded soft magnet produced through this innovative manufacturing process.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
