公开(公告)号：US20230245807A1

公开(公告)日：2023-08-03

申请号：US18013072

申请日：2021-03-31

Applicant: Tohoku University ,  SUMITOMO METAL MINING CO., LTD.

Inventor： Satoshi Sugimoto ,  Masashi Matsuura ,  Takashi Ishikawa ,  Yukinobu Yoneyama

IPC: H01F1/055 ,  B22F1/05 ,  B22F1/10 ,  C22C38/00 ,  C08K9/02

CPC classification number: H01F1/0551 ,  B22F1/05 ,  B22F1/10 ,  C22C38/005 ,  C22C38/001 ,  C08K9/02 ,  B22F2304/10 ,  B22F2301/355 ,  C08K2201/01 ,  C08K2201/005

Abstract: A rare earth-iron-nitrogen-based magnetic powder according to this invention contains, as main constituent components, a rare-earth element (R), iron (Fe), and nitrogen (N). Moreover, this magnetic powder has an average particle size of 1.0-10.0 μm, and contains 22.0-30.0 mass % of a rare-earth element (R) and 2.5-4.0 mass % of nitrogen (N). Further, this magnetic powder includes: a core part having any one crystal structure among a Th2Zn17 type, a Th2Ni17 type, and a TbCu7 type; and a shell layer provided on the surface of the core part and having a thickness of 1-30 nm. The shell layer contains a rare-earth element (R) and iron (Fe) so that the R/Fe atomic ratio is 0.3-5.0, and further contains 0-10 at % (exclusive of 0) of nitrogen (N). Furthermore, this magnetic powder contains compound particles composed of a rare-earth element (R) and phosphorus (P).

公开(公告)号：US20230235473A1

公开(公告)日：2023-07-27

申请号：US18126202

申请日：2023-03-24

Applicant: THE BOEING COMPANY

Inventor： Waynie M. SCHUETTE ,  Patrick J. KINLEN

IPC: C25D9/06 ,  C08K3/08 ,  C08K9/02 ,  H01F1/09 ,  B22F1/05 ,  B22F1/16 ,  B22F1/102

CPC classification number: C25D9/06 ,  C08K3/08 ,  C08K9/02 ,  H01F1/09 ,  B22F1/05 ,  B22F1/16 ,  B22F1/102 ,  B22F2301/35 ,  B22F2302/25 ,  B22F2304/10 ,  C08K2003/0856 ,  C08K2201/005 ,  C08K2201/01

Abstract: The present disclosure provides a coated iron particle, or reaction product of a coating and the iron particle, comprising an iron particle and a ceramic coating disposed on the iron particle. Aspects of the present disclosure provide a coated iron particle, or reaction product of a coating and the iron particle, including an iron particle having a diameter of from about 0.5 micron to about 100 microns; and a ceramic coating disposed on the iron particle. Aspects of the present disclosure further provide compositions comprising a coated iron particle and a polymer or adhesion promoter. Aspects of the present disclosure further provide components, such as components, such as vehicle components, having a surface and a composition of the present disclosure disposed on the surface.

公开(公告)号：US11699540B2

公开(公告)日：2023-07-11

申请号：US17700954

申请日：2022-03-22

Applicant: TDK Corporation

Inventor： Masashi Ohmura

IPC: H01F1/113 ,  C01G51/00 ,  C08K3/22

CPC classification number: H01F1/113 ,  C01G51/70 ,  C08K3/22 ,  C01P2002/30 ,  C01P2002/52 ,  C01P2006/42 ,  C08K2003/2289 ,  C08K2201/01

Abstract: The magnet is a ferrite sintered magnet containing a ferrite phase having a magnetoplumbite-type crystal structure. The ferrite sintered magnet contains at least Ca, a metal element A, a metal element R, Bi, Fe, and a metal element M. The metal element A is at least one kind of element selected from the group consisting of Sr, Ba, and Pb, the metal element R is at least one kind of element selected from the group consisting of rare-earth elements including Y and essentially includes La, the metal element M is at least one kind of element selected from the group consisting of Co, Ni, Zn, Al, Cu, and Cr, and essentially includes Co, and when an atonic ratio of the metal elements is expressed by Formula (1), c, a, r, b, f, and m in Formula (1) satisfy the following Expressions (2) to (8).

公开(公告)号：US20180079885A1

公开(公告)日：2018-03-22

申请号：US15825007

申请日：2017-11-28

Applicant: The Boeing Company

Inventor： Andrew P. Nowak ,  Sophia S. Yang ,  Thomas I. Boundy ,  Darrin M. Hansen ,  Alain A. Adjorlolo ,  Carissa A. Pajel ,  Eliana V. Ghantous

IPC: C08K3/22 ,  C08K9/06 ,  H01F1/00 ,  C08L81/04 ,  C08L81/02 ,  C09K3/10

CPC classification number: C08K3/22 ,  B22F1/0059 ,  B22F1/02 ,  B22F7/08 ,  B22F9/24 ,  B22F2304/058 ,  B22F2998/10 ,  B22F2999/00 ,  B82Y25/00 ,  B82Y30/00 ,  C08K9/06 ,  C08K2201/01 ,  C08L81/02 ,  C08L81/04 ,  C09D181/04 ,  C09K3/1012 ,  C22C2202/02 ,  H01F1/0054 ,  B22F2304/054 ,  B22F2304/056 ,  B22F3/22 ,  B22F2202/05

Abstract: A low viscosity polysulfide sealant composition. The composition comprises a curable polysulfide polymer; a crosslinking agent; and a plurality of core-shell particles. The core-shell particles comprise: a core comprising a ferromagnetic material; and a shell comprising silica treated with an organic sulfur containing compound. The shell is capable of bonding with the polysulfide polymer.

公开(公告)号：US09892835B2

公开(公告)日：2018-02-13

申请号：US14178948

申请日：2014-02-12

Applicant: SOUTH DAKOTA BOARD OF REGENTS ,  GEORGIA TECH RESEARCH CORPORATION

Inventor： Haiping Hong ,  G.P. (Bud) Peterson ,  David R. Salem

IPC: H01F1/44 ,  H01F1/00 ,  B82Y30/00 ,  C08K3/04 ,  C08K3/22

CPC classification number: H01F1/445 ,  B82Y30/00 ,  C08K3/04 ,  C08K3/045 ,  C08K3/046 ,  C08K2003/2272 ,  C08K2003/2275 ,  C08K2201/01 ,  C08K2201/011 ,  H01F1/44 ,  Y10S977/742

Abstract: The present invention relates to magnetically aligned carbon nanoparticle composites and methods of preparing the same. The composites comprise carbon nanoparticles, host material, magnetically sensitive nanoparticles and surfactant. The composites may have enhanced mechanical, thermal, and/or electrical properties.

公开(公告)号：US20170349439A1

公开(公告)日：2017-12-07

申请号：US15539121

申请日：2015-08-10

Applicant: SOULBRAIN CO., LTD.

Inventor： Seung hyun LEE ,  Seok joo KIM

IPC: C01B32/15 ,  B82Y40/00

CPC classification number: C01B32/15 ,  B82Y40/00 ,  C01P2002/70 ,  C01P2002/84 ,  C01P2004/64 ,  C01P2006/12 ,  C08K3/04 ,  C08K2201/01 ,  C09C1/44 ,  C08L75/04

Abstract: The present disclosure relates to oxidized carbon nanoparticles, and a method for producing same. The oxidized carbon nanoparticles are nano-sized spherical particles of oxidized carbon have a C/O atomic ratio from X-ray photoelectron spectroscopy (XPS) of 1 to 9, and the largest fraction of oxygen thereof from XPS is observed in a C—O(OH) bind. The oxidized carbon nanoparticles have better physical properties than typical carbon materials such as graphite or carbon black, and the producing process thereof is economical and environmentally-friendly. Further, the oxidized carbon nanoparticles may be applied as a filling material of an organic/inorganic composite, and when applied as such, is environmentally-friendly, economical, exhibits excellent dispersion properties, and may be immediately used without post-processing, such as functionalization.

公开(公告)号：US09777197B2

公开(公告)日：2017-10-03

申请号：US14512535

申请日：2014-10-13

Applicant: SunRay Scientific LLC

Inventor： S. Kumar Khanna

IPC: C09J9/02 ,  C09J9/00 ,  H05K13/04 ,  H05K3/30 ,  H05K3/32 ,  H01L23/00 ,  C08K9/02

CPC classification number: C09J9/02 ,  C08K9/02 ,  C08K2201/001 ,  C08K2201/01 ,  C09J9/00 ,  H01L24/29 ,  H01L24/75 ,  H01L24/83 ,  H01L2224/16227 ,  H01L2224/2929 ,  H01L2224/29298 ,  H01L2224/29355 ,  H01L2224/29357 ,  H01L2224/2936 ,  H01L2224/29388 ,  H01L2224/29393 ,  H01L2224/29499 ,  H01L2224/29562 ,  H01L2224/2957 ,  H01L2224/29639 ,  H01L2224/29644 ,  H01L2224/32013 ,  H01L2224/32057 ,  H01L2224/32225 ,  H01L2224/75253 ,  H01L2224/75265 ,  H01L2224/75266 ,  H01L2224/75734 ,  H01L2224/75735 ,  H01L2224/81193 ,  H01L2224/83192 ,  H01L2224/83851 ,  H01L2224/83874 ,  H01L2224/8393 ,  H01L2924/00014 ,  H05K3/323 ,  H05K2201/0218 ,  H05K2201/0221 ,  H05K2201/0323 ,  H05K2201/083 ,  H05K2203/104 ,  H01L2924/2064 ,  H01L2924/0665 ,  H01L2224/0401

Abstract: Illustrative embodiments of anisotropic conductive adhesive (ACA) and associated methods are disclosed. In one illustrative embodiment, the ACA may comprise a binder curable using UV light and a plurality of particles suspended in the binder. Each of the plurality of particles may comprise a ferromagnetic material coated with a layer of electrically conductive material. The electrically conducting material may form electrically conductive and isolated parallel paths when the ACA is cured using UV light after being subjected to a magnetic field.

公开(公告)号：US20170221619A1

公开(公告)日：2017-08-03

申请号：US15515003

申请日：2015-09-29

Applicant: TODA KOGYO CORP.

Inventor： Yasushi NISHIO ,  Satoshi NOMURA ,  Yasuhiko FUJII ,  Hiromitsu SAKURAI

IPC: H01F1/113 ,  C08K3/00 ,  C01G49/00

CPC classification number: H01F1/113 ,  C01G49/0018 ,  C01P2002/70 ,  C01P2004/61 ,  C01P2006/42 ,  C08K3/01 ,  C08K2201/01 ,  H01F1/11

Abstract: The object of the present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which is capable of obtaining a bonded magnet molded product having a good magnetic force and a magnetic waveform as well as high iHc and Hk by injection molding. The present invention aims at providing a bonded magnet molded product using the ferrite particles and the resin composition. The aforementioned object of the present invention can be achieved by ferrite particles for bonded magnets which have a crystal distortion of not more than 0.14 as measured by XRD, and an average particle diameter of not less than 1.30 μm as measured by Fisher method; a resin composition for bonded magnets; and a molded product obtained by injection-molding the resin composition.

公开(公告)号：US09701827B2

公开(公告)日：2017-07-11

申请号：US13298507

申请日：2011-11-17

Applicant: Paul Robert DuPont

Inventor： Paul Robert DuPont

IPC: G01N23/10 ,  C08L23/16 ,  C08L83/04 ,  C08K3/08 ,  C08K3/30

CPC classification number: C08L23/16 ,  C08K3/08 ,  C08K3/30 ,  C08K2003/3045 ,  C08K2201/01 ,  C08L83/04 ,  G01N23/10

Abstract: A system is provided for the detection of contaminant particulates in closed containers, that system having a plurality of system components susceptible to degredation during the manufacture of container contents and filling of the closed containers, the system components susceptible to degradation comprising a radio opaque composition of matter; an x-ray source disposed proximate to a path of the closed container in a production line; an x-ray image intensifier whereby x-rays from the x-ray source are collected and an image is generated; a ccd camera whereby the x-ray image is digitized; a contaminated container rejection mechanism whereby closed containers having x-ray images with radio opaque portions are rejected as contaminated and removed from the production line.

公开(公告)号：US20170103833A1

公开(公告)日：2017-04-13

申请号：US15231871

申请日：2016-08-09

Applicant: SNU R&DB FOUNDATION

Inventor： Sunghoon KWON ,  Hyoki KIM ,  Yadong YIN ,  Jianping GE

IPC: H01F1/00 ,  C09C3/10 ,  H01F1/34 ,  G02F1/09 ,  G02F1/29 ,  G02B1/00 ,  B01J19/12 ,  C08K9/08

CPC classification number: B01J19/12 ,  B01J19/123 ,  B82Y20/00 ,  B82Y25/00 ,  C01P2006/42 ,  C08K3/22 ,  C08K9/08 ,  C08K2201/01 ,  C08K2201/011 ,  C09C1/24 ,  C09C3/10 ,  C09D7/62 ,  C09D7/69 ,  C09D11/50 ,  G02B1/005 ,  G02B5/201 ,  G02B2207/101 ,  G02F1/09 ,  G02F1/29 ,  H01F1/0063 ,  H01F1/344 ,  Y10T428/24802

Abstract: Provided is a method of forming a microsphere having a structural color, which includes providing a composition for generating a structural color including a curable material and magnetic nanoparticles dispersed in the curable material, forming an emulsion by adding the composition for generating a structural color to an immiscible solvent, arranging the magnetic nanoparticles located in the emulsion droplet of the curable material in a one-dimensional chain structure by applying a magnetic field to the emulsion, and fixing the chain structure by curing the emulsion droplet.