公开(公告)号：US10002828B2

公开(公告)日：2018-06-19

申请号：US15409697

申请日：2017-01-19

Applicant: Ferric Inc.

Inventor： Noah Sturcken ,  Ryan Davies

IPC: H01L23/522 ,  H01L49/02 ,  H01L23/528 ,  H01L23/29 ,  H01L23/31 ,  H01L21/56 ,  H01L23/00 ,  C08K3/22 ,  C08K3/08 ,  H01F41/02 ,  H01F41/04 ,  H01L21/321

CPC classification number: H01L23/5227 ,  C08K3/08 ,  C08K3/22 ,  C08K2003/0843 ,  C08K2003/0856 ,  C08K2003/0862 ,  C08K2003/2265 ,  C08K2003/2289 ,  C08K2003/2293 ,  H01F1/26 ,  H01F1/37 ,  H01F17/0013 ,  H01F41/0206 ,  H01F41/04 ,  H01F41/046 ,  H01F2003/106 ,  H01L21/321 ,  H01L21/563 ,  H01L23/295 ,  H01L23/3142 ,  H01L23/5226 ,  H01L23/528 ,  H01L24/17 ,  H01L24/81 ,  H01L24/83 ,  H01L24/92 ,  H01L28/10 ,  H01L2224/13022 ,  H01L2224/13147 ,  H01L2224/16225 ,  H01L2224/16265 ,  H01L2224/2929 ,  H01L2224/29355 ,  H01L2224/29357 ,  H01L2224/2936 ,  H01L2224/32225 ,  H01L2224/73204 ,  H01L2224/831 ,  H01L2224/8312 ,  H01L2224/83855 ,  H01L2224/83909 ,  H01L2224/92125 ,  H01L2924/0665 ,  H01L2924/13067 ,  H01L2924/13091 ,  H01L2924/14 ,  H01L2924/1425 ,  H01L2924/19011 ,  H01L2924/19041 ,  H01L2924/19042 ,  H01L2924/19043 ,  H01L2924/19102 ,  H01L2924/2064 ,  H01L2924/2075 ,  H01L2924/3025 ,  H01L2924/00

Abstract: A magnetic polymer for use in microelectronic fabrication includes a polymer matrix and a plurality of ferromagnetic particles disposed in the polymer matrix. The magnetic polymer can be part of an insulation layer in an inductor formed in one or more backend wiring layers of an integrated device. The magnetic polymer can also be in the form of a magnetic epoxy layer for mounting contacts of the integrated device to a package substrate.

公开(公告)号：US12224091B2

公开(公告)日：2025-02-11

申请号：US17377886

申请日：2021-07-16

Applicant: Ferric Inc.

Inventor： Noah Sturcken ,  Michael Lekas ,  Ryan Davies ,  Denis Shishkov ,  Matthew Cavallaro

IPC: H01F1/03 ,  H01F1/26 ,  H01F10/32 ,  H01F17/04 ,  H01F27/24 ,  H01F27/28 ,  H01F41/02 ,  H01F41/16 ,  H01L23/522 ,  H01F41/00

Abstract: A ferromagnetic-polymer composite material comprises a polymer and a plurality of ferromagnetic film platelets disposed in the polymer. Each ferromagnetic film platelet comprises first and second insulator layers and a ferromagnetic layer disposed between the first and second insulator layers. The ferromagnetic layer can be magnetically anisotropic in which a hard axis of magnetization is aligned parallel to a plane that passes through and parallel to an interface between the first insulator layer and the ferromagnetic layer. The easy and/or hard axes of magnetization in the ferromagnetic film platelets can be aligned. An inductor can have a core formed of the ferromagnetic-polymer composite material.

公开(公告)号：US12048097B2

公开(公告)日：2024-07-23

申请号：US17358318

申请日：2021-06-25

Applicant: Ferric Inc.

Inventor： Noah Sturcken ,  Ryan Davies ,  Michael Lekas

IPC: H01F27/28 ,  H01F17/00 ,  H01F27/24 ,  H01F41/02 ,  H01F41/04 ,  H01F41/32 ,  H05K1/02 ,  H05K1/11 ,  H05K1/18 ,  H05K1/03 ,  H05K1/16

CPC classification number: H05K1/181 ,  H01F17/0013 ,  H01F17/0033 ,  H01F27/24 ,  H01F27/2804 ,  H01F41/02 ,  H01F41/041 ,  H01F41/046 ,  H01F41/32 ,  H05K1/0298 ,  H05K1/115 ,  H01F2017/0066 ,  H05K1/0233 ,  H05K1/0306 ,  H05K1/165 ,  H05K2201/086 ,  H05K2201/0929 ,  H05K2201/1003 ,  Y02P70/50 ,  Y10T29/4913

Abstract: A structure comprises a semiconductor integrated circuit, an inductor, and a magnetic flux closure layer. The inductor is integrated into a multilevel wiring network in the semiconductor integrated circuit. The inductor includes a planar laminated magnetic core and a conductive winding that turns around in a generally spiral manner on the outside of the planar laminated magnetic core. The planar laminated magnetic core includes an alternating sequence of a magnetic layer and a non-magnetic layer. The magnetic flux closure layer is disposed within about 100 μm of a face of the planar laminated magnetic core, the face of the planar magnetic core parallel to a principal plane of the planar laminated magnetic core. A second magnetic flux closure layer can be disposed within about 100 μm of an opposing face of the planar laminated magnetic core.

公开(公告)号：US11903130B2

公开(公告)日：2024-02-13

申请号：US17341643

申请日：2021-06-08

Applicant: Ferric Inc.

Inventor： Noah Sturcken ,  Ryan Davies ,  Michael Lekas

IPC: H01F7/06 ,  H05K1/18 ,  H01F41/04 ,  H01F41/02 ,  H01F27/28 ,  H01F27/24 ,  H05K1/16 ,  H05K1/02 ,  H05K1/11 ,  H01L49/02 ,  H01F10/26 ,  H01F41/32 ,  H01F17/00 ,  H05K1/03

CPC classification number: H05K1/181 ,  H01F10/265 ,  H01F17/0033 ,  H01F27/24 ,  H01F27/2804 ,  H01F41/02 ,  H01F41/041 ,  H01F41/046 ,  H01F41/32 ,  H01L28/10 ,  H05K1/0298 ,  H05K1/115 ,  H05K1/165 ,  H01F2017/0066 ,  H05K1/0233 ,  H05K1/0306 ,  H05K2201/086 ,  H05K2201/0929 ,  H05K2201/1003 ,  Y02P70/50 ,  Y10T29/4913

Abstract: An inductor includes a planar laminated magnetic core and a conductive winding. The planar magnetic core includes an alternating sequence of a magnetic layer and a non-magnetic layer. The non-magnetic layer includes an insulating layer that is disposed between first and second interface layers. The conductive winding turns around in a generally spiral manner on the outside of the planar laminated magnetic core. The inductor can be integrated into a multilevel wiring network in a semiconductor integrated circuit to form a microelectronic device, such as a transformer, a power converter, or a microprocessor.

公开(公告)号：US20230027090A1

公开(公告)日：2023-01-26

申请号：US17377886

申请日：2021-07-16

Applicant: Ferric Inc.

Inventor： Noah Sturcken ,  Michael Lekas ,  Ryan Davies ,  Denis Shishkov ,  Matthew Cavallaro

IPC: H01F1/03 ,  H01F27/24 ,  H01F27/28 ,  H01L23/522

Abstract: A ferromagnetic-polymer composite material comprises a polymer and a plurality of ferromagnetic film platelets disposed in the polymer. Each ferromagnetic film platelet comprises first and second insulator layers and a ferromagnetic layer disposed between the first and second insulator layers. The ferromagnetic layer can be magnetically anisotropic in which a hard axis of magnetization is aligned parallel to a plane that passes through and parallel to an interface between the first insulator layer and the ferromagnetic layer. The easy and/or hard axes of magnetization in the ferromagnetic film platelets can be aligned. An inductor can have a core formed of the ferromagnetic-polymer composite material.

公开(公告)号：US20220173035A1

公开(公告)日：2022-06-02

申请号：US17108096

申请日：2020-12-01

Applicant: Ferric Inc.

Inventor： Michael Lekas ,  Ryan Davies ,  Noah Sturcken ,  Denis Shishkov

IPC: H01L23/522 ,  H01L49/02 ,  H01F27/24 ,  H01F41/02 ,  H01F1/03

Abstract: A planar magnetic core includes multiple ferromagnetic layers including multiple hard ferromagnetic bias layers and multiple soft ferromagnetic layers. Each ferromagnetic layer comprises a soft ferromagnetic layer or a hard ferromagnetic bias layer. Each hard ferromagnetic bias layer is a neighboring ferromagnetic layer of at least one soft ferromagnetic layer. The planar magnetic core also includes a plurality of insulating layers, each insulating layer disposed between adjacent ferromagnetic layers. Each ferromagnetic layer has an easy axis of magnetization parallel to a principal plane of the planar magnetic core, where the easy axes of magnetization are aligned. Each hard ferromagnetic bias layer is magnetized to create an in-plane bias magnetic flux through the hard ferromagnetic bias layer in a first direction that is parallel to the easy axis of magnetization and forms a closed path through a neighboring soft ferromagnetic layer in a second direction parallel to the first direction.

公开(公告)号：US11264158B2

公开(公告)日：2022-03-01

申请号：US16184024

申请日：2018-11-08

Applicant: Ferric Inc.

Inventor： Noah Sturcken ,  Ryan Davies ,  Michael Lekas

IPC: H01F7/06 ,  H01F7/08 ,  H01F7/126 ,  H01F7/14 ,  B64C33/02 ,  H01L23/522 ,  H01L27/092 ,  H01F7/17 ,  B64C39/02

Abstract: A ferromagnetic actuator is disposed between first and second semiconductor devices that include first and second inductors. Each inductor is disposed on top of a multilevel wiring structure. Current flows through the first inductor to generate a first magnetic field that attracts the ferromagnetic actuator towards the first inductor causing the ferromagnetic actuator to transition from a first state to a second state. In the second state, a portion of the ferromagnetic actuator is disposed closer to the first inductor than it is in the first state. Current flows through the second inductor to generate a second magnetic field that attracts the ferromagnetic actuator towards the second inductor causing the ferromagnetic actuator to transition from the first or second state to a third state. In the third state, a portion of the ferromagnetic actuator is disposed closer to the first inductor than it is in the first state.

公开(公告)号：US10210986B2

公开(公告)日：2019-02-19

申请号：US15391278

申请日：2016-12-27

Applicant: Ferric Inc.

Inventor： Noah Sturcken ,  Ryan Davies ,  Hao Wu ,  Michael Lekas

IPC: H01F27/25 ,  H01F5/00 ,  H01F27/28

Abstract: An inductor includes a magnetic core lying in a core plane. The magnetic core includes a vertical laminated structure with respect to the core plane of alternating ferromagnetic vertical layers and insulator vertical layers. An easy axis of magnetization can be permanently or semi-permanently fixed in the ferromagnetic vertical layers along an axis orthogonal to the core plane. Methods of manufacturing same are also disclosed.

公开(公告)号：US20180295724A1

公开(公告)日：2018-10-11

申请号：US16006450

申请日：2018-06-12

Applicant: Ferric Inc.

Inventor： Noah Sturcken ,  Ryan Davies ,  Michael Lekas

IPC: H05K1/18 ,  H01F41/02 ,  H01F27/28 ,  H01F27/24 ,  H05K1/16 ,  H05K1/02

Abstract: An inductor includes a planar laminated magnetic core and a conductive winding. The planar magnetic core includes an alternating sequence of a magnetic layer and a non-magnetic layer. The non-magnetic layer includes an insulating layer that is disposed between first and second interface layers. The conductive winding turns around in a generally spiral manner on the outside of the planar laminated magnetic core. The inductor can be integrated into a multilevel wiring network in a semiconductor integrated circuit to form a microelectronic device, such as a transformer, a power converter, or a microprocessor.

公开(公告)号：US09991040B2

公开(公告)日：2018-06-05

申请号：US14746994

申请日：2015-06-23

Applicant: Ferric Inc.

Inventor： Noah Sturcken ,  Ryan Davies ,  Hao Wu

IPC: H01F17/04 ,  H01F27/28 ,  H01F27/24 ,  H01F1/147 ,  H01F13/00 ,  H01F17/00 ,  H01F17/06 ,  H01F27/255 ,  H01F27/38 ,  H01F41/06 ,  H01F41/14 ,  H01L49/02

CPC classification number: H01F27/24 ,  H01F1/14708 ,  H01F13/003 ,  H01F17/0013 ,  H01F17/04 ,  H01F17/062 ,  H01F27/255 ,  H01F27/2823 ,  H01F27/2895 ,  H01F27/38 ,  H01F41/06 ,  H01F41/14 ,  H01F2017/0066 ,  H01L28/10

Abstract: Inductive elements comprising anisotropic media and biasing coils for magnetically biasing thereof and methods of manufacture and operation for use in applications such as microelectronics. Application of an electrical current through the bias coils generates a magnetic field that biases the magnetic material such that a desirable orientation of anisotropy is achieved throughout the magnetic core and enables modulation of the inductive response of the device. Electrical conductors coupled to interconnects are magnetically coupled to magnetic core layers to produce self and/or mutual inductors.