DE112021005049T5 - Magnetkern mit hartferromagnetischen Vormagnetisierungsschichten und Strukturen, welchen diesen enthalten - Google Patents

Magnetkern mit hartferromagnetischen Vormagnetisierungsschichten und Strukturen, welchen diesen enthalten Download PDF

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Publication number
DE112021005049T5
DE112021005049T5 DE112021005049.4T DE112021005049T DE112021005049T5 DE 112021005049 T5 DE112021005049 T5 DE 112021005049T5 DE 112021005049 T DE112021005049 T DE 112021005049T DE 112021005049 T5 DE112021005049 T5 DE 112021005049T5
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DE
Germany
Prior art keywords
soft
ferromagnetic layer
hard
ferromagnetic
layer
Prior art date
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Pending
Application number
DE112021005049.4T
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German (de)
English (en)
Inventor
Michael Lekas
Ryan DAVIES
Noah Sturcken
Denis Shishkov
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Ferric Inc USA
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Ferric Inc USA
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Filing date
Publication date
Application filed by Ferric Inc USA filed Critical Ferric Inc USA
Publication of DE112021005049T5 publication Critical patent/DE112021005049T5/de
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00—Interconnections in chips, wafers or substrates
    • H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H10W20/497—Inductive arrangements or effects of, or between, wiring layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0306—Metals or alloys, e.g. LAVES phase alloys of the MgCu2-type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H01F17/0013—Printed inductances with stacked layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H01F17/0033—Printed inductances with the coil helically wound around a magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D1/00—Resistors, capacitors or inductors
    • H10D1/20—Inductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F2003/103—Magnetic circuits with permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H01F2017/0066—Printed inductances with a magnetic layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H01F2017/0086—Printed inductances on semiconductor substrate

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Thin Magnetic Films (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Heads (AREA)
DE112021005049.4T 2020-12-01 2021-11-15 Magnetkern mit hartferromagnetischen Vormagnetisierungsschichten und Strukturen, welchen diesen enthalten Pending DE112021005049T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17/108,096 2020-12-01
US17/108,096 US12322695B2 (en) 2020-12-01 2020-12-01 Magnetic core with hard ferromagnetic biasing layers and structures containing same
PCT/US2021/072400 WO2022120319A2 (en) 2020-12-01 2021-11-15 Magnetic core with hard ferromagnetic biasing layers and structures containing same

Publications (1)

Publication Number Publication Date
DE112021005049T5 true DE112021005049T5 (de) 2023-09-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE112021005049.4T Pending DE112021005049T5 (de) 2020-12-01 2021-11-15 Magnetkern mit hartferromagnetischen Vormagnetisierungsschichten und Strukturen, welchen diesen enthalten

Country Status (6)

Country Link
US (2) US12322695B2 (https=)
JP (1) JP7792188B2 (https=)
KR (1) KR102857258B1 (https=)
DE (1) DE112021005049T5 (https=)
TW (1) TWI817268B (https=)
WO (1) WO2022120319A2 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10720487B2 (en) * 2018-06-28 2020-07-21 Taiwan Semiconductor Manufacturing Co., Ltd. Structure and formation method of semiconductor device with magnetic element
US12125713B2 (en) 2022-03-22 2024-10-22 Ferric Inc. Method for manufacturing ferromagnetic-dielectric composite material
US20230411442A1 (en) * 2022-06-20 2023-12-21 Taiwan Semiconductor Manufacturing Co., Ltd. Package with permalloy core inductor and manufacturing method thereof

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JP7309675B2 (ja) 2020-09-17 2023-07-18 株式会社東芝 回転電機
JP2024124859A (ja) 2023-03-03 2024-09-13 武州工業株式会社 揚げカス処理装置

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