KR101843258B1 - 자성체 시트 및 무선충전 모듈 - Google Patents

자성체 시트 및 무선충전 모듈 Download PDF

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Publication number
KR101843258B1
KR101843258B1 KR1020160060344A KR20160060344A KR101843258B1 KR 101843258 B1 KR101843258 B1 KR 101843258B1 KR 1020160060344 A KR1020160060344 A KR 1020160060344A KR 20160060344 A KR20160060344 A KR 20160060344A KR 101843258 B1 KR101843258 B1 KR 101843258B1
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KR
South Korea
Prior art keywords
region
attractor
magnetic
sheet
shielding
Prior art date
Application number
KR1020160060344A
Other languages
English (en)
Korean (ko)
Other versions
KR20170129521A (ko
Inventor
조성남
이승민
조태연
오승희
최창학
조중영
박두호
Original Assignee
삼성전기주식회사
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.)
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Publication date
Application filed by 삼성전기주식회사 filed Critical 삼성전기주식회사
Priority to KR1020160060344A priority Critical patent/KR101843258B1/ko
Priority to CN201610983409.9A priority patent/CN107393677B/zh
Publication of KR20170129521A publication Critical patent/KR20170129521A/ko
Application granted granted Critical
Publication of KR101843258B1 publication Critical patent/KR101843258B1/ko

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073Shielding materials
    • H05K9/0075Magnetic shielding materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/02Permanent magnets [PM]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36Electric or magnetic shields or screens
    • H01F27/366Electric or magnetic shields or screens made of ferromagnetic material
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/025
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073Shielding materials
    • H05K9/0081Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0086Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single discontinuous metallic layer on an electrically insulating supporting structure, e.g. metal grid, perforated metal foil, film, aggregated flakes, sintering

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Regulation Of General Use Transformers (AREA)
KR1020160060344A 2016-05-17 2016-05-17 자성체 시트 및 무선충전 모듈 KR101843258B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020160060344A KR101843258B1 (ko) 2016-05-17 2016-05-17 자성체 시트 및 무선충전 모듈
CN201610983409.9A CN107393677B (zh) 2016-05-17 2016-11-09 磁性片及无线充电模块

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160060344A KR101843258B1 (ko) 2016-05-17 2016-05-17 자성체 시트 및 무선충전 모듈

Publications (2)

Publication Number Publication Date
KR20170129521A KR20170129521A (ko) 2017-11-27
KR101843258B1 true KR101843258B1 (ko) 2018-03-28

Family

ID=60338256

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160060344A KR101843258B1 (ko) 2016-05-17 2016-05-17 자성체 시트 및 무선충전 모듈

Country Status (2)

Country Link
KR (1) KR101843258B1 (zh)
CN (1) CN107393677B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11328850B2 (en) 2019-07-02 2022-05-10 3M Innovative Properties Company Magnetic film including regular pattern of through-cracks

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108695930A (zh) * 2018-05-29 2018-10-23 信维通信(江苏)有限公司 一种无线充电模组用屏蔽片及无线充电模组
CN112290212A (zh) * 2019-07-22 2021-01-29 阿莫先恩电子电器有限公司 磁场屏蔽片、无线电力接收模块及其便携终端设备
US11968816B2 (en) 2019-07-22 2024-04-23 Amosense Co., Ltd. Magnetic field shielding sheet
CN112712957B (zh) * 2020-12-24 2021-08-17 深圳市驭能科技有限公司 一种无线充电及近场通讯用纳米晶导磁薄片及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101574214B1 (ko) * 2015-04-28 2015-12-04 주식회사 아모센스 Pma 무선 충전 방식 무선전력 수신모듈용 어트랙터 및 그 제조방법과, 이를 구비하는 무선전력 수신모듈

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5685827B2 (ja) * 2010-03-29 2015-03-18 ソニー株式会社 磁性シート、アンテナモジュール及び電子機器
KR101577425B1 (ko) * 2014-12-22 2015-12-28 주식회사 아모센스 Pma 무선충전 방식 무선전력 수신모듈용 어트랙터, 차폐유닛 및 이를 구비한 무선전력 수신모듈

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101574214B1 (ko) * 2015-04-28 2015-12-04 주식회사 아모센스 Pma 무선 충전 방식 무선전력 수신모듈용 어트랙터 및 그 제조방법과, 이를 구비하는 무선전력 수신모듈

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11328850B2 (en) 2019-07-02 2022-05-10 3M Innovative Properties Company Magnetic film including regular pattern of through-cracks

Also Published As

Publication number Publication date
KR20170129521A (ko) 2017-11-27
CN107393677A (zh) 2017-11-24
CN107393677B (zh) 2020-05-22

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E902 Notification of reason for refusal
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