Patent
Bulk laminated amorphous metal inductive device
TLDR
A bulk amorphous metal inductive device (BIMI) as discussed by the authors comprises a magnetic core having at least low-loss bulk ferromagnetic amorphized metal magnetic components forming a magnetic circuit having an air gap therein.Abstract:
A bulk amorphous metal inductive device (1) comprises a magnetic core having at least low-loss bulk ferromagnetic amorphous metal magnetic components (2, 3) forming a magnetic circuit having an air gap therein. The device has one or more electrical windings (25, 27) and may be used as a transformer or inductor in an electronic circuit. The component (2, 3) comprises a plurality of similarly shaped layers of amorphous metal strips bonded together (102) to form a polyhedrally shaped part. The low core losses of the device. e.g. a loss of at most about 12 W/kg when excited at a frequency of 5 kHz to a peak induction level of 0.3 T, make it especially useful for application in power conditioning circuits operating in switched mode at frequencies of 1 kHz or more. The component is fabricated by a process comprising cutting, stacking, registering, and bonding the laminations together by an adhesive agent.read more
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Patent
Bulk amorphous metal inductive device
TL;DR: A bulk amorphous metal inductive device as mentioned in this paper comprises a magnetic core having plurality of low-loss bulk ferromagnetic metal magnetic components assembled in juxtaposed relationship to form at least one magnetic circuit and secured in position, e.g. by banding or potting.
Patent
Manufacture and use of planar embedded magnetics as discrete components and in integrated connectors
TL;DR: In this paper, an integrated planar transformer and electronic component that includes at least one wideband planar transform disposed in a planar substrate, where each wideband transform includes a fully-cured and rigid state, a ferrite material embedded in the substrate, and inter-wound conductors connected in an inter-connected pattern by conductive vias disposed on each side of the substrate.
Patent
Interoperability of magnetic structures for inductive power transfer systems
TL;DR: In this article, a first magnetic coupling structure and a second magnetic structure are adapted to generate and/or receive magnetic flux to thereby transfer power inductively, the first structure comprising a substantially circular coil (3, 4), and the second one comprising an arrangement of at least two coils associated with a magnetically permeable core (5).
Patent
Wideband planar transformer
TL;DR: In this article, a method of arranging and fabricating parallel primary and secondary coils of a wideband planar transformer is described, where the spacing and width of the coils are disposed to extend the bandwidth from DC to GHz and allow for high frequency coupling when the core permeability dramatically drops.
Patent
Laminated magnetic cores
TL;DR: In this paper, magnetic cores are produced from a very thin amorphous metal strip, using a punch press with accurate punch/die clearance, and the laminations are grouped in a stack to define a core and are packaged or encapsulated in electrically nonconductive coverings.
References
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Patent
Magnetic field generating device for NMR-CT
TL;DR: A magnetic field generating device for nuclear magnetic resonance-computerized tomography of the type where permanent magnet assemblies of a pair opposing mutually to define an air gap there between are magnetically coupled together by yoke means to create a magnetic field within the air gap is provided in this article.
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Patent
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