KR940011766B1 - 자기 시일드재 - Google Patents
자기 시일드재 Download PDFInfo
- Publication number
- KR940011766B1 KR940011766B1 KR1019870002565A KR870002565A KR940011766B1 KR 940011766 B1 KR940011766 B1 KR 940011766B1 KR 1019870002565 A KR1019870002565 A KR 1019870002565A KR 870002565 A KR870002565 A KR 870002565A KR 940011766 B1 KR940011766 B1 KR 940011766B1
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- amorphous alloy
- alloy piece
- shield material
- magnetic shield
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims description 51
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 73
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 230000004907 flux Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 9
- 230000035699 permeability Effects 0.000 claims description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims 1
- 239000002956 ash Substances 0.000 claims 1
- 229910052755 nonmetal Inorganic materials 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 229910000976 Electrical steel Inorganic materials 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 230000003068 static effect Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005358 geomagnetic field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/10—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying using centrifugal force
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0086—Electromagnetic 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
-
- 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
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15358—Making agglomerates therefrom, e.g. by pressing
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
- Y10T428/257—Iron oxide or aluminum oxide
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Soft Magnetic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims (8)
- 두께가 5 내지 100㎛이고, 애스팩트비(단, 애스팩트비는 최대 두께에 대한 최대길이의 비이다)가 10 내지 15000인 연자성 비정질합금편이 적층된 구조를 가지는 것을 특징으로 하는 자기시일드재.
- 제1항에 있어서, 연자성 비정질합금편의 두께가 20 내지 60㎛이고, 애스팩트비가 50 내지 10000인 것을 특징으로 하는 자기시일드재.
- 제1항 또는 제2항에 있어서, 연자성 비정질합금편이 복수의 비금속판에 끼워진 구조로 되어 있는 것을 특징으로 하는 자기시일드.
- 제1항에 있어서, 연자성 비정질합금편은, 자기왜곡이 (-10 내지 +10)×10-6이고, 투자율이 1000이상인 코발트기 비정질합금편인 것을 특징으로 하는 자기시일드재.
- 제1항에 있어서, 연자성 비정질합금편이 자속밀도가 12000가우스 이상인 철기 비정질합금편인 것을 특징으로 하는 자기시일드재.
- 제1항에 있어서, 연자성 비정질합금편이 자기왜곡이 (-10 내지 +10)×10-6이고 투자율이 1000이상인 코발트기 비정질합금편과, 자속밀도가 12000가우스 이상인 철기 비정질합금편으로 이루어진 것을 특징으로 하는 자기시일드재.
- 제1항에 있어서, 연자성 비정질합금편이 방향을 랜덤으로 해서 균일하게 적층되어 있는 것을 특징으로 하는 자기시일드재.
- 제1항에 있어서, 연자성 비정질합금편이 비늘모양 또는 플레이크모양을 나타내는 것을 특징으로 하는 자기시일드재.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61-65345 | 1986-03-24 | ||
JP61065345A JPS62221199A (ja) | 1986-03-24 | 1986-03-24 | 磁気シ−ルド材 |
JP65345 | 1986-03-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870008650A KR870008650A (ko) | 1987-10-19 |
KR940011766B1 true KR940011766B1 (ko) | 1994-12-26 |
Family
ID=13284266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870002565A Expired - Fee Related KR940011766B1 (ko) | 1986-03-24 | 1987-03-20 | 자기 시일드재 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4992329A (ko) |
EP (1) | EP0239052B1 (ko) |
JP (1) | JPS62221199A (ko) |
KR (1) | KR940011766B1 (ko) |
DE (1) | DE3787549T2 (ko) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0344208Y2 (ko) * | 1987-11-17 | 1991-09-17 | ||
JPH0179898U (ko) * | 1987-11-18 | 1989-05-29 | ||
JPH01276798A (ja) * | 1988-04-28 | 1989-11-07 | Shimizu Corp | 磁気遮蔽壁体 |
JPH01278095A (ja) * | 1988-04-28 | 1989-11-08 | Shimizu Corp | 磁気・電磁遮蔽体 |
JPH01161397U (ko) * | 1988-04-28 | 1989-11-09 | ||
JPH01161398U (ko) * | 1988-04-28 | 1989-11-09 | ||
JP2614600B2 (ja) * | 1988-05-25 | 1997-05-28 | 株式会社リケン | 磁気シールド装置 |
JPH027500A (ja) * | 1988-06-27 | 1990-01-11 | Teikoku Piston Ring Co Ltd | 電磁シールドシートおよびその製造方法 |
JPH02148892A (ja) * | 1988-11-30 | 1990-06-07 | Riken Corp | 磁気シールド材及びその固定法 |
JP2696771B2 (ja) * | 1988-12-29 | 1998-01-14 | 株式会社リケン | 磁気シールド格子体 |
US5260128A (en) * | 1989-12-11 | 1993-11-09 | Kabushiki Kaisha Riken | Electromagnetic shielding sheet |
JPH0444197U (ko) * | 1990-08-15 | 1992-04-15 | ||
US5165985A (en) * | 1991-06-28 | 1992-11-24 | Minnesota Mining And Manufacturing Company | Method of making a flexible, transparent film for electrostatic shielding |
US5314732A (en) * | 1991-06-28 | 1994-05-24 | Minnesota Mining And Manufacturing Company | Flexible, transparent film for electrostatic shielding |
US5278377A (en) * | 1991-11-27 | 1994-01-11 | Minnesota Mining And Manufacturing Company | Electromagnetic radiation susceptor material employing ferromagnetic amorphous alloy particles |
JPH05299874A (ja) * | 1992-04-23 | 1993-11-12 | Hitachi Ferrite Ltd | 電波吸収体及びその取り付け方法 |
JPH0993034A (ja) * | 1995-09-22 | 1997-04-04 | Tokin Corp | 複合磁性体及びその製造方法ならびに電磁干渉抑制体 |
JP3900559B2 (ja) | 1996-09-19 | 2007-04-04 | 大同特殊鋼株式会社 | 磁気遮蔽用シートとその製造方法及びこれを用いたケーブル |
JPH10322085A (ja) * | 1997-03-14 | 1998-12-04 | Daido Steel Co Ltd | 遮蔽用シートとその製造方法 |
JP3420493B2 (ja) * | 1998-01-30 | 2003-06-23 | 株式会社巴川製紙所 | フレキシブルプリント回路基板用電磁波シールドシート |
CA2374343C (en) * | 1999-06-16 | 2005-08-23 | Roche Bonnie | Display devices, accessories therefor and methods |
JP3309854B1 (ja) * | 2001-07-27 | 2002-07-29 | ソニー株式会社 | 磁気吸着シートおよびその製造方法 |
US6610415B2 (en) * | 2001-10-26 | 2003-08-26 | Koslow Technologies Corporation | Magnetic or magnetizable composite product and a method for making and using same |
US6864418B2 (en) * | 2002-12-18 | 2005-03-08 | Nanoset, Llc | Nanomagnetically shielded substrate |
KR100460297B1 (ko) * | 2002-05-03 | 2004-12-08 | 노바템스 주식회사 | 고투자율의 금속박 리본을 이용한 전자파 차폐재 및 그제조방법 |
GB0211443D0 (en) * | 2002-05-18 | 2002-06-26 | Qinetiq Ltd | Microwave absorbent material |
TWI326245B (en) * | 2002-05-28 | 2010-06-21 | Astic Signals Defenses L L C | A system and method for filtering electromagnetic and visual transmissions and for minimizing acoustic transmissions |
US20060099454A1 (en) * | 2004-11-08 | 2006-05-11 | Tdk Corporation | Method for producing electromagnetic wave absorbing sheet, method for classifying powder, and electromagnetic wave absorbing sheet |
EP1724708B1 (en) * | 2005-04-26 | 2016-02-24 | Amotech Co., Ltd. | Magnetic sheet for radio frequency identification antenna, method of manufacturing the same. |
KR100701413B1 (ko) * | 2005-05-31 | 2007-03-30 | 한국과학기술연구원 | 비정질분말 플레이크 및 그 제조방법 |
US20160044841A1 (en) * | 2013-08-09 | 2016-02-11 | Lisa Chamberlain | Magnetic shields |
KR102567771B1 (ko) | 2019-01-15 | 2023-08-18 | 주식회사 히타치하이테크 | 전자계 차폐판, 그 제조 방법, 전자계 차폐 구조 및 반도체 제조 환경 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3790407A (en) * | 1970-12-28 | 1974-02-05 | Ibm | Recording media and method of making |
US3856513A (en) * | 1972-12-26 | 1974-12-24 | Allied Chem | Novel amorphous metals and amorphous metal articles |
US4030892A (en) * | 1976-03-02 | 1977-06-21 | Allied Chemical Corporation | Flexible electromagnetic shield comprising interlaced glassy alloy filaments |
US4447492A (en) * | 1977-11-21 | 1984-05-08 | Occidental Chemical Corporation | Articles having an electrically conductive surface |
US4215084A (en) * | 1978-05-03 | 1980-07-29 | The Battelle Development Corporation | Method and apparatus for producing flake particles |
US4197146A (en) * | 1978-10-24 | 1980-04-08 | General Electric Company | Molded amorphous metal electrical magnetic components |
JPS5627290A (en) * | 1979-05-25 | 1981-03-17 | Gillette Co | Head portion for safety razor |
DE3035872C2 (de) * | 1980-09-23 | 1984-12-06 | Siemens AG, 1000 Berlin und 8000 München | Gehäuse mit Wänden aus Kunststofflaminat |
JPS59158016A (ja) * | 1983-02-28 | 1984-09-07 | ティーディーケイ株式会社 | 電磁シ−ルド材料 |
US4689098A (en) * | 1985-10-11 | 1987-08-25 | Phillips Petroleum Company | Molding composition |
-
1986
- 1986-03-24 JP JP61065345A patent/JPS62221199A/ja active Granted
-
1987
- 1987-03-20 KR KR1019870002565A patent/KR940011766B1/ko not_active Expired - Fee Related
- 1987-03-23 EP EP87104246A patent/EP0239052B1/en not_active Expired - Lifetime
- 1987-03-23 DE DE87104246T patent/DE3787549T2/de not_active Expired - Fee Related
-
1989
- 1989-03-24 US US07/328,746 patent/US4992329A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3787549T2 (de) | 1994-04-28 |
EP0239052A3 (en) | 1989-05-10 |
EP0239052A2 (en) | 1987-09-30 |
JPH0147040B2 (ko) | 1989-10-12 |
US4992329A (en) | 1991-02-12 |
DE3787549D1 (de) | 1993-11-04 |
JPS62221199A (ja) | 1987-09-29 |
EP0239052B1 (en) | 1993-09-29 |
KR870008650A (ko) | 1987-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19870320 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19910422 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19870320 Comment text: Patent Application |
|
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