WO2023171927A1 - Dispositif de génération de champ magnétique - Google Patents

Dispositif de génération de champ magnétique Download PDF

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Publication number
WO2023171927A1
WO2023171927A1 PCT/KR2023/002131 KR2023002131W WO2023171927A1 WO 2023171927 A1 WO2023171927 A1 WO 2023171927A1 KR 2023002131 W KR2023002131 W KR 2023002131W WO 2023171927 A1 WO2023171927 A1 WO 2023171927A1
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WO
WIPO (PCT)
Prior art keywords
plate
moving plate
moving
magnetic field
elastic member
Prior art date
Application number
PCT/KR2023/002131
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English (en)
Korean (ko)
Inventor
박성호
박주호
박대윤
Original Assignee
(주)씨엔씨엔지니어링
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)씨엔씨엔지니어링 filed Critical (주)씨엔씨엔지니어링
Publication of WO2023171927A1 publication Critical patent/WO2023171927A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a magnetic field generating device, and more specifically, to a magnetic field generating device for a secondary battery manufacturing process that can cancel out the attractive force between magnets by applying a repulsive force between magnets with opposite polarities to generate a magnetic field. It's about.
  • magnetic equipment is used to align and align copper foil, which is a material for secondary battery manufacturing, using a magnetic field.
  • Magnet equipment uses magnetic fields generated between magnets with opposite polarities to arrange and align the transported copper foil materials for manufacturing secondary batteries.
  • Magnetic equipment in the prior art moves magnets in opposite directions by driving a motor equipped with a reducer so that an attractive force acts between magnets with opposite polarities facing each other, thereby minimizing the gap between magnets.
  • the object of the present invention which was devised to solve the above-mentioned problems, is to provide a magnetic field generating device that can cancel out the attractive force between magnets by applying a repulsive force between magnets with opposite polarities to generate a magnetic field.
  • the present invention devised to achieve the above object, is a magnetic field generating device, which includes a first moving plate equipped with a first magnet, a second moving plate facing the first moving plate and having a polarity opposite to the polarity of the first magnet.
  • a repulsive force applicator is fixedly coupled to the first movable plate or the second movable plate, is provided between the first movable plate and the second movable plate, and applies a repulsive force to the first movable plate and the second movable plate.
  • the repulsive force application unit includes a hollow housing portion with openings at both ends, an elastic member accommodated inside the housing portion, a fixing block fixedly coupled to one end of the opening of the housing portion and supporting one side of the elastic member, and the other end of the housing portion. It may include a moving block that is partially inserted into the inside of the housing through the opening to elastically support the other side of the elastic member, and is moved in and out of the housing by the elasticity of the elastic member.
  • the outer surface of the moving block may be provided with a coupling portion coupled to the first moving plate or the second moving plate.
  • It may include a limiting protrusion formed on the outer surfaces of the fixed block and the moving block, respectively, to limit the moving distance of the moving block when the elastic member is contracted.
  • the repulsive force applicator includes a hollow housing portion with openings at both ends, an elastic member accommodated inside the housing portion, and a portion of the repulsive force application portion inserted into the inside of the housing portion through an opening at one end of the housing portion to elastically support one side of the elastic member,
  • a first moving block that moves in and out of the housing part by the elasticity of the elastic member is partially inserted into the inside of the housing part through an opening at the other end of the housing part to elastically support the other side of the elastic member, and elastically supports the other side of the elastic member. It may include a second moving block that moves in and out of the housing portion.
  • An outer surface of the second moving block may be provided with a coupling portion coupled to the first moving plate or the second moving plate.
  • It may include a limiting protrusion formed on the outer surfaces of the first movable block and the second movable block, respectively, to limit the moving distance of the first movable block and the second movable block when the elastic member contracts.
  • the outer surface of the rotating shaft includes a first spiral portion with a thread formed up to one end with respect to the central portion of the rotating shaft, and a second spiral portion with a screw thread formed up to the other end in a direction opposite to the rotation direction of the first spiral portion. can do.
  • the present invention can offset the attractive force between the first magnet and the second magnet by using the elastic restoring force of the elastic member, so the load on the motor and reducer can be reduced, reducing the capacity of the motor and reducer, and manufacturing and operating costs by miniaturizing the equipment. There is an effect of saving.
  • Figure 1 is a front view showing a magnetic field generating device according to an embodiment of the present invention.
  • Figure 2 is a perspective view showing a magnetic field generating device according to an embodiment of the present invention.
  • Figure 3 is a cross-sectional view showing a first embodiment of a repulsive force application part in a magnetic field generating device according to an embodiment of the present invention.
  • Figure 4 is a cross-sectional view showing a second embodiment of the repulsive force application part in the magnetic field generating device according to an embodiment of the present invention.
  • Figure 5 is a cross-sectional view and an enlarged view showing an operating state in which attractive force is applied between magnets in a magnetic field generating device according to an embodiment of the present invention.
  • Figure 6 is a cross-sectional view and an enlarged view showing an operating state in which a repulsive force is applied between magnets in the magnetic field generating device according to an embodiment of the present invention.
  • Figure 1 is a front view showing a magnetic field generating device according to an embodiment of the present invention
  • Figure 2 is a perspective view showing a magnetic field generating device according to an embodiment of the present invention.
  • the magnetic field generator may include a first moving plate 100, a second moving plate 200, a rotating shaft 300, and a repulsive force application unit 400. You can.
  • the first moving plate 100 is provided horizontally in the shape of a flat plate, and a first magnet 110 may be provided on its upper surface.
  • the first magnet 110 has a flat plate shape and is horizontally coupled to the first moving plate 100.
  • the first magnet 110 may be a permanent magnet or an electromagnet.
  • the second moving plate 200 has a flat plate shape and may be provided horizontally on the upper side of the second moving plate 200.
  • the first moving plate 100 and the second moving plate 200 are arranged in parallel to face each other.
  • a second magnet 210 may be provided on the lower surface of the second moving plate 200. Like the first magnet 110, the second magnet 210 has a flat plate shape and is horizontally coupled to the second moving plate 200. The second magnet 210 may be a permanent magnet or an electromagnet.
  • the first magnet 110 and the second magnet 210 face each other.
  • the first magnet 110 and the second magnet 210 facing each other have opposite polarities.
  • the first magnet 110 and the second magnet 210 are permanent magnets
  • the lower part of the first magnet 110 in contact with the upper surface of the first moving plate 100 is the N pole and the upper part is the S pole.
  • the upper part of the second magnet 210 in contact with the lower surface of the second moving plate 200 becomes the S pole and the lower part becomes the N pole.
  • the rotation axis 300 is perpendicular to the first moving plate 100 and the second moving plate 200, and sequentially passes through the first moving plate 100 and the second moving plate 200 to form the first moving plate ( 100) and may be spirally coupled to the second moving plate 200.
  • the first movable plate 100 and the second movable plate 200 are simultaneously moved in opposite directions according to the axis rotation direction of the rotation shaft 300.
  • the rotation shaft 300 may include a first spiral portion 310 and a second spiral portion 320.
  • the first spiral portion 310 is provided on the outer surface of the rotating shaft 300, and a thread may be formed from the central portion of the rotating shaft 300 to one end.
  • the first spiral portion 310 is formed with a screw thread that rotates in one direction from the central portion of the rotating shaft 300 to the lower end of the rotating shaft 300. Accordingly, the first moving plate 100, which is helically coupled to the first helical portion 310, moves up and down along the first helical portion 310 according to the forward/reverse rotation direction of the rotation shaft 300.
  • the second spiral portion 320 is provided on the outer surface of the rotating shaft 300, and a thread may be formed from the central portion of the rotating shaft 300 to the other end.
  • the second spiral portion 320 is formed with a screw thread that rotates in a direction opposite to the rotation direction of the first spiral portion 310 from the center of the rotation shaft 300 to the upper end of the rotation shaft 300. Accordingly, the second moving plate 200, which is helically coupled to the second helical portion 320, moves up and down along the second helical portion 320 according to the forward/reverse rotation direction of the rotation shaft 300.
  • the rotation axis 300 is rotated in one direction to raise the first moving plate 100, and at the same time, the second moving plate 200 is lowered so that the first moving plate 100 and the second moving plate 200 When they approach each other, the first magnets 110 and second magnets 210 provided on the first moving plate 100 and the second moving plate 200, respectively, also come close to each other while facing each other.
  • a magnetic field application unit 900 that generates a magnetic field may be formed by the attraction between the 200 elements.
  • the material for secondary battery manufacturing passes through the magnetic field application unit 900, where a magnetic field is generated by the attraction between the first magnet 110 and the second magnet 210 that are close to each other, the material is arranged and aligned by the magnetic field. do.
  • the rotation shaft 300 is rotated in the reverse direction so that the first moving plate 100 descends, and at the same time, the second moving plate 200 rises to separate the first moving plate 100 and the second moving plate 200. ) move away from each other, the first magnet 110 and the second magnet 210 provided on the first moving plate 100 and the second moving plate 200 also move away from each other while facing each other. Since the attractive force no longer acts between the first magnet 110 and the second magnet 210, the magnetic field is released.
  • the repulsive force applicator 400 moves the first magnet 110 when the rotation axis 300 is rotated in the reverse direction in order to separate the first moving plate 100 and the second moving plate 200 that are close to each other.
  • a repulsive force is applied between the first magnet 110 and the second magnet 210 to apply a repulsive force to the first moving plate 100 and the second moving plate 200, thereby creating an attractive force between the first magnet 110 and the second magnet 210. It acts as an offset.
  • the repulsive force applicator 400 may be fixedly coupled to the first movable plate 100 or the second movable plate 200 and may be provided between the first movable plate 100 and the second movable plate 200.
  • the magnetic field generating device may further include a first fixing plate 500.
  • the first fixed plate 500 may be provided outside the first movable plate 100.
  • the first fixed plate 500 has a flat plate shape and is located below the first movable plate 100 and is horizontally seated on the floor.
  • the rotating shaft 300 is perpendicular to the first fixed plate 500 and passes vertically downward through the upper surface of the first fixed plate 500, and the lower end of the rotating shaft 300 is rotatable about the first fixed plate 500. are combined.
  • the magnetic field generating device may further include a second fixing plate 600.
  • the second fixed plate 600 may be provided outside the second movable plate 200.
  • the second fixing plate 600 is arranged to be vertically spaced apart from the first fixing plate 500.
  • the second fixed plate 600 has a flat plate shape and is located on top of the second moving plate 200.
  • the rotation shaft 300 is perpendicular to the second fixing plate 600 and passes vertically upward through the lower surface of the second fixing plate 600, and the upper end of the rotation shaft 300 is rotatable about the second fixing plate 600. are combined.
  • the magnetic field generating device may further include a fixed shaft 700.
  • the fixing shaft 700 is fixedly coupled between the first fixing plate 500 and the second fixing plate 600 and supports the second fixing plate 600 vertically.
  • the lower end of the fixing shaft 700 is coupled to the upper surface of the first fixing plate 500, and the upper end of the fixing shaft 700 is fixedly coupled to the lower surface of the second fixing plate 600.
  • the fixed shaft 700 vertically passes through the first moving plate 100 and the second moving plate 200, and the first moving plate 100 and the second moving plate 200 move on the fixed shaft 700. Possibly combined.
  • the fixed shaft 700 guides the sliding up and down movements of the first and second movable plates 100 and 200 that move up and down.
  • the magnetic field generating device may further include a driving unit 800.
  • the driving unit 800 is provided on the outer surface of the second fixing plate 600 and is coupled to the rotating shaft 300 to provide rotational power to the rotating shaft 300.
  • the driving unit 800 is seated on the upper surface of the second fixing plate 600 and is fixedly coupled to the second fixing plate 600.
  • the driving unit 800 may be configured to include a motor and a reducer. The rotational force of the motor is transmitted to the reducer, and the rotational power of the motor is provided to the rotation shaft 300 connected to the reducer.
  • Figure 3 is a cross-sectional view showing a first embodiment of a repulsive force application part in a magnetic field generating device according to an embodiment of the present invention.
  • the repulsive force application unit 400 will be comprised of a housing unit 410, an elastic member 420, a fixed block 430, and a moving block 440. You can.
  • the housing portion 410 is hollow and has openings formed at both ends.
  • the housing portion 410 is installed vertically between the first movable plate 100 and the second movable plate 200, orthogonal to the first movable plate 100 and the second movable plate 200.
  • the elastic member 420 is accommodated inside the housing portion 410 and is installed in the longitudinal direction of the housing portion 410. At this time, the elastic member 420 may be a coil spring.
  • the fixing block 430 is fixedly coupled to one end of the opening of the housing portion 410 and supports one side of the elastic member 420. At this time, the other side of the elastic member 420 accommodated inside the housing portion 410 may be exposed to the outside through an opening at the other end of the housing portion 410.
  • the moving block 440 is partially inserted into the inside of the housing part 410 through the other end opening of the housing part 410 and elastically supports the other side of the elastic member 420.
  • the moving block 440 is slidably moved in and out of the housing portion 410 through the other end opening of the housing portion 410 by the elasticity of the elastic member 420.
  • a coupling portion 441 may be provided on the outer surface of the moving block 440.
  • a convex protrusion is formed to protrude from the lower surface of the moving block 440, so that the protrusion can be pressed into a coupling groove formed on the outer surface of the first moving plate 100 or the second moving plate 200. Accordingly, the moving block 440 may be coupled to the first moving plate 100 or the second moving plate 200.
  • a concave coupling groove in which coupling members such as bolts and screws are spirally coupled may be formed on the lower surface of the moving block 440. Accordingly, the movable block 440 may be fixed to the first movable plate 100 or the second movable plate 200 by a coupling member.
  • the repulsive force applicator 400 according to the first embodiment of the present invention is provided on the fixed block 430 and the moving block 440 to limit the moving distance of the moving block 440 when the elastic member 420 is contracted. It may be configured to further include protrusions 431 and 442.
  • the limiting protrusion includes a first limiting protrusion 431 formed on the outer surface of the fixed block 430 and a second limiting protrusion 442 formed on the outer surface of the moving block 440.
  • the first limiting protrusion 431 and the second limiting protrusion 442 protrude from the fixed block 430 and the moving block 440, respectively, and face each other on the inside of the housing portion 410.
  • the protrusion length of the first limiting protrusion 431 and the protruding length of the second limiting protrusion 442 may be formed differently.
  • the moving block 440 When the moving block 440 is moved to the inside of the housing part 410 and the elastic member 420 is contracted inside the housing part 410, the free end of the first limiting protrusion 431 and the second limiting protrusion 442 ) As the free ends of the blocks contact each other, the moving distance of the moving block 440 is limited.
  • Figure 4 is a cross-sectional view showing a second embodiment of the repulsive force application part in the magnetic field generating device according to an embodiment of the present invention.
  • the repulsive force applicator 400 includes a housing portion 450, an elastic member 460, a first moving block 470, and a second moving block 480. It can be configured to include.
  • the housing portion 450 is hollow and has openings at both ends.
  • the housing portion 450 is installed vertically between the first movable plate 100 and the second movable plate 200 and perpendicular to the first movable plate 100 and the second movable plate 200.
  • the elastic member 460 is accommodated inside the housing portion 450 and is installed in the longitudinal direction of the housing portion 450.
  • the elastic member 460 may be a coil spring. At this time, one side and the other side of the elastic member 460 accommodated inside the housing portion 450 may be exposed to the outside through one end opening and the other end opening of the housing portion 450, respectively.
  • the first moving block 470 is partially inserted into the inside of the housing part 450 through one end opening of the housing part 450 and elastically supports one side of the elastic member 460.
  • the first moving block 470 is slidably moved in and out of the housing portion 450 through one end opening of the housing portion 450 by the elasticity of the elastic member 460.
  • the second moving block 480 is partially inserted into the inside of the housing part 450 through the other end opening of the housing part 450 and elastically supports the other side of the elastic member 460.
  • the second moving block 480 is slidably moved in and out of the housing portion 450 through the other end opening of the housing portion 450 by the elasticity of the elastic member 460.
  • a coupling portion 481 may be provided on the outer surface of the second moving block 480.
  • a convex protrusion is formed to protrude from the lower surface of the second moving block 480, so that the protrusion can be pressed into a coupling groove formed on the outer surface of the first moving plate 100 or the second moving plate 200. Accordingly, the second moving block 480 may be coupled to the first moving plate 100 or the second moving plate 200.
  • a concave coupling groove in which coupling members such as bolts and screws are spirally coupled may be formed on the lower surface of the second moving block 480. Accordingly, the second moving block 480 may be fixed to the first moving plate 100 or the second moving plate 200 by a coupling member.
  • the repulsive force applicator 400 according to the second embodiment of the present invention is provided on the first moving block 470 and the second moving block 480, and when the elastic member 460 is contracted, the first moving block 470 and It may further include limiting protrusions 471 and 482 that limit the moving distance of the second moving block 480.
  • the limiting protrusion may include a first limiting protrusion 471 formed on the outer surface of the first moving block 470, and a second limiting protrusion 482 formed on the outer surface of the second moving block 480. .
  • the first limiting protrusion 471 and the second limiting protrusion 482 are formed to protrude from the first moving block 470 and the second moving block 480 and face each other on the inside of the housing portion 450. At this time, the protrusion length of the first limiting protrusion 471 and the protruding length of the second limiting protrusion 482 may be formed differently.
  • Figure 5 is a cross-sectional view and an enlarged view showing an operating state in which an attractive force is applied between magnets in the magnetic field generating device according to an embodiment of the present invention
  • Figure 6 is a cross-sectional view and an enlarged view showing an operating state in which a repulsive force is applied between magnets in the magnetic field generating device according to an embodiment of the present invention.
  • This is a cross-sectional and enlarged view showing the operating state.
  • a magnetic field application unit 900 in which a magnetic field is generated is formed as an attractive force acts between the first magnet 110 and the second magnet 210 that face each other and are close to each other. As the copper foil material for secondary battery manufacturing passes through the magnetic field application unit 900, the material is arranged and aligned by the magnetic field.
  • the elastic member of the repulsive force application unit 400 installed vertically between the first moving plate 100 and the second moving plate 200 ( 420 is contracted inside the housing portion 410 by sliding the movable block 440 to the inside of the housing portion 410 under the pressure of the first movable plate 100 and the second movable plate 200.
  • the first movement is performed by the elastic restoring force of the contracted elastic member 420.
  • the first magnet 110 and the second magnet 210 are connected using the repulsive force of the elastic member 420 between the first magnet 110 and the second magnet 210.
  • the attractive force between the second magnets 210 is canceled out.
  • the magnetic field generator according to an embodiment of the present invention can cancel out the attractive force between the first magnet 110 and the second magnet 210 by using the elastic restoring force of the elastic member 420, so that the load of the motor and the reducer is reduced.
  • the capacity of the motor and reducer can be reduced, and manufacturing and operating costs can be reduced by miniaturizing the equipment.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

Un dispositif de génération de champ magnétique selon la présente invention comprend : une première plaque mobile comprenant un premier aimant ; une seconde plaque mobile qui fait face à la première plaque mobile, et qui comprend un second aimant ayant une polarité opposée à celle du premier aimant ; un arbre rotatif qui est couplé en spirale à la première plaque mobile et à la seconde plaque mobile, et qui déplace la première plaque mobile et la seconde plaque mobile dans des directions de rotation opposées ; et une unité d'application de force de répulsion, qui est fixée et couplée à la première plaque mobile ou à la seconde plaque mobile, est disposée entre la première plaque mobile et la seconde plaque mobile, et applique une force de répulsion à la première plaque mobile et à la seconde plaque mobile.
PCT/KR2023/002131 2022-03-10 2023-02-14 Dispositif de génération de champ magnétique WO2023171927A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2022-0029873 2022-03-10
KR1020220029873A KR102658736B1 (ko) 2022-03-10 2022-03-10 자장발생장치

Publications (1)

Publication Number Publication Date
WO2023171927A1 true WO2023171927A1 (fr) 2023-09-14

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PCT/KR2023/002131 WO2023171927A1 (fr) 2022-03-10 2023-02-14 Dispositif de génération de champ magnétique

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KR (1) KR102658736B1 (fr)
WO (1) WO2023171927A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5896076A (en) * 1997-12-29 1999-04-20 Motran Ind Inc Force actuator with dual magnetic operation
JP2000057568A (ja) * 1998-08-05 2000-02-25 Fuji Photo Film Co Ltd 磁気記録媒体の配向装置
JP2007517260A (ja) * 2003-12-29 2007-06-28 ハネウェル・インターナショナル・インコーポレーテッド 高速挿入の手段および方法
JP2012156006A (ja) * 2011-01-26 2012-08-16 Toyota Motor Corp 負極板の製造方法および負極板の製造装置
KR20200084254A (ko) * 2019-01-02 2020-07-10 주식회사 엘지화학 단위 셀 제조 장치 및 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011138566A (ja) * 2009-12-25 2011-07-14 Fujifilm Corp 磁気記録媒体の製造方法及び磁気記録媒体の製造装置
KR101702035B1 (ko) * 2015-02-16 2017-02-02 박계정 영구자석의 자기력선 제어를 이용한 모터

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5896076A (en) * 1997-12-29 1999-04-20 Motran Ind Inc Force actuator with dual magnetic operation
JP2000057568A (ja) * 1998-08-05 2000-02-25 Fuji Photo Film Co Ltd 磁気記録媒体の配向装置
JP2007517260A (ja) * 2003-12-29 2007-06-28 ハネウェル・インターナショナル・インコーポレーテッド 高速挿入の手段および方法
JP2012156006A (ja) * 2011-01-26 2012-08-16 Toyota Motor Corp 負極板の製造方法および負極板の製造装置
KR20200084254A (ko) * 2019-01-02 2020-07-10 주식회사 엘지화학 단위 셀 제조 장치 및 방법

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KR20230132963A (ko) 2023-09-19
KR102658736B1 (ko) 2024-05-21

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