SE521689C2 - Element för elektromagnetisk skärmning samt metod för framställning därav - Google Patents
Element för elektromagnetisk skärmning samt metod för framställning däravInfo
- Publication number
- SE521689C2 SE521689C2 SE0103597A SE0103597A SE521689C2 SE 521689 C2 SE521689 C2 SE 521689C2 SE 0103597 A SE0103597 A SE 0103597A SE 0103597 A SE0103597 A SE 0103597A SE 521689 C2 SE521689 C2 SE 521689C2
- Authority
- SE
- Sweden
- Prior art keywords
- particles
- magnetic field
- electromagnetic shielding
- string
- strand
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 96
- 239000000463 material Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 45
- 230000005291 magnetic effect Effects 0.000 claims abstract description 42
- 230000005293 ferrimagnetic effect Effects 0.000 claims abstract description 11
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 7
- 239000011345 viscous material Substances 0.000 claims abstract description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 17
- 239000010410 layer Substances 0.000 claims description 13
- 229920002379 silicone rubber Polymers 0.000 claims description 13
- 239000004945 silicone rubber Substances 0.000 claims description 13
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000013013 elastic material Substances 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 239000002344 surface layer Substances 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- 239000003302 ferromagnetic material Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 239000002902 ferrimagnetic material Substances 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 239000011324 bead Substances 0.000 abstract 2
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 230000008092 positive effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036542 oxidative stress Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
- B29C70/62—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres the filler being oriented during moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
- B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- 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
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3055—Cars
- B29L2031/3061—Number plates
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/023—Reduction of cross-talk, noise or electromagnetic interference using auxiliary mounted passive components or auxiliary substances
- H05K1/0233—Filters, inductors or a magnetic substance
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0215—Metallic fillers
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/08—Magnetic details
- H05K2201/083—Magnetic materials
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49067—Specified diverse magnetic materials
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Manufacturing & Machinery (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Telephone Set Structure (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0103597A SE521689C2 (sv) | 2001-10-26 | 2001-10-26 | Element för elektromagnetisk skärmning samt metod för framställning därav |
| PCT/SE2002/001926 WO2003037057A1 (en) | 2001-10-26 | 2002-10-23 | Element for electromagnetic shielding and method for manufacturing thereof |
| US10/432,929 US7161090B2 (en) | 2001-10-26 | 2002-10-23 | Element for electromagnetic shielding and method for manufacturing thereof |
| DE20280417U DE20280417U1 (de) | 2001-10-26 | 2002-10-23 | Element zum elektromagnetischen Abschirmen |
| DE60200654T DE60200654T2 (de) | 2001-10-26 | 2002-10-23 | Element zur elektromagnetischen abschirmung und verfahren zu seiner herstellung |
| EP02778172A EP1360885B1 (de) | 2001-10-26 | 2002-10-23 | Element zur elektromagnetischen abschirmung und verfahren zu seiner herstellung |
| CN02803328.0A CN1259802C (zh) | 2001-10-26 | 2002-10-23 | 用于电磁屏蔽的元件及其制造方法 |
| AT02778172T ATE269632T1 (de) | 2001-10-26 | 2002-10-23 | Element zur elektromagnetischen abschirmung und verfahren zu seiner herstellung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0103597A SE521689C2 (sv) | 2001-10-26 | 2001-10-26 | Element för elektromagnetisk skärmning samt metod för framställning därav |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0103597D0 SE0103597D0 (sv) | 2001-10-26 |
| SE0103597L SE0103597L (sv) | 2003-04-27 |
| SE521689C2 true SE521689C2 (sv) | 2003-11-25 |
Family
ID=20285805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0103597A SE521689C2 (sv) | 2001-10-26 | 2001-10-26 | Element för elektromagnetisk skärmning samt metod för framställning därav |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7161090B2 (de) |
| EP (1) | EP1360885B1 (de) |
| CN (1) | CN1259802C (de) |
| AT (1) | ATE269632T1 (de) |
| DE (2) | DE20280417U1 (de) |
| SE (1) | SE521689C2 (de) |
| WO (1) | WO2003037057A1 (de) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10221100C1 (de) * | 2002-05-03 | 2003-06-05 | Neuhaus Elektronik Gmbh | Elektrisch leitfähige Dichtung sowie Verfahren und Vorrichtung zu deren Herstellung |
| CN1332592C (zh) * | 2004-01-09 | 2007-08-15 | 佛山市顺德区顺达电脑厂有限公司 | 抑制电磁干扰以及在电路板上制作扼流器的方法 |
| PL1701605T3 (pl) * | 2005-03-11 | 2008-07-31 | Mtc Micro Tech Components Gmbh | Taśma uszczelniająca przed promieniowaniem elektromagnetycznym wysokiej częstotliwości |
| DE102006016725B4 (de) * | 2006-04-04 | 2010-07-01 | Rcc Polymertechnik Gmbh | Verfahren zur Herstellung von Elastomer- oder Duromerteilen mit einer Schicht hoher elektrischer Leitfähigkeit |
| WO2008097571A1 (en) * | 2007-02-06 | 2008-08-14 | World Properties, Inc. | Conductive polymer foams, method of manufacture, and uses thereof |
| US8623265B2 (en) * | 2007-02-06 | 2014-01-07 | World Properties, Inc. | Conductive polymer foams, method of manufacture, and articles thereof |
| US20100240421A1 (en) * | 2009-03-17 | 2010-09-23 | Michael Sekora | Cellular phone cover/case that blocks radiation from reaching the user through the implementation of faraday cage and/or conductive material properties |
| EP2519568A1 (de) * | 2009-12-29 | 2012-11-07 | Rogers Corporation | Leitende polymerschaumstoffe, herstellungsverfahren und ihre verwendung |
| US9545043B1 (en) * | 2010-09-28 | 2017-01-10 | Rockwell Collins, Inc. | Shielding encapsulation for electrical circuitry |
| EP2461657A1 (de) | 2010-12-02 | 2012-06-06 | Siemens Aktiengesellschaft | Elektrische Baugruppe und Verfahren zur Herstellung einer elektrischen Baugruppe |
| US8270929B1 (en) | 2011-09-09 | 2012-09-18 | Contech RF Devices, LLC | RF shielding for mobile devices |
| US8921709B2 (en) | 2013-03-15 | 2014-12-30 | Continental Accessory Corp. | RF shielding for mobile devices |
| US9845142B2 (en) * | 2014-08-15 | 2017-12-19 | The Boeing Company | Conductive thermoplastic ground plane for use in an aircraft |
| CN117813344A (zh) * | 2021-08-05 | 2024-04-02 | 3M创新有限公司 | 具有低无源互调的导电粘结带 |
| KR20230132021A (ko) * | 2022-03-07 | 2023-09-15 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치의 제조방법 |
| KR20240161144A (ko) | 2022-03-12 | 2024-11-12 | 티그란 하차트리안 | 기능성 rf/emf 차폐 필름 및 장치 |
| SE546233C2 (en) * | 2022-10-18 | 2024-07-23 | Nolato Silikonteknik Ab | Method for manufacturing a gasket for electromagnetic shielding |
| SE546302C2 (en) * | 2023-01-13 | 2024-10-01 | Nolato Silikonteknik Ab | Multilayer gasket for electromagnetic shielding comprising wave-reflecting and wave-absorbing layers |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2849312A (en) | 1954-02-01 | 1958-08-26 | Milton J Peterman | Method of aligning magnetic particles in a non-magnetic matrix |
| JPS5826381B2 (ja) | 1979-04-28 | 1983-06-02 | 信越ポリマ−株式会社 | 電磁気シ−ルドガスケットおよびその製造方法 |
| US5006397A (en) * | 1987-02-06 | 1991-04-09 | Key-Tech, Inc. | Printed circuit board |
| US4770685A (en) * | 1987-07-13 | 1988-09-13 | Ford Motor Company | Method of manufacturing a formed glass sheet with paint thereon |
| US4778635A (en) * | 1987-09-18 | 1988-10-18 | American Telephone And Telegraph Company | Method and apparatus for fabricating anisotropically conductive material |
| DE4319965C3 (de) | 1993-06-14 | 2000-09-14 | Emi Tec Elektronische Material | Verfahren zur Herstellung eines Gehäuses mit elektromagnetischer Abschirmung |
| US5443876A (en) * | 1993-12-30 | 1995-08-22 | Minnesota Mining And Manufacturing Company | Electrically conductive structured sheets |
| US5851644A (en) * | 1995-08-01 | 1998-12-22 | Loctite (Ireland) Limited | Films and coatings having anisotropic conductive pathways therein |
| US5882720A (en) * | 1996-02-01 | 1999-03-16 | Mpm Corporation | Monitoring deposited pads |
| US6121545A (en) | 1997-07-11 | 2000-09-19 | Parker-Hannifin Corporation | Low closure force EMI shielding spacer gasket |
-
2001
- 2001-10-26 SE SE0103597A patent/SE521689C2/sv not_active IP Right Cessation
-
2002
- 2002-10-23 WO PCT/SE2002/001926 patent/WO2003037057A1/en not_active Ceased
- 2002-10-23 DE DE20280417U patent/DE20280417U1/de not_active Expired - Lifetime
- 2002-10-23 US US10/432,929 patent/US7161090B2/en not_active Expired - Lifetime
- 2002-10-23 CN CN02803328.0A patent/CN1259802C/zh not_active Expired - Lifetime
- 2002-10-23 AT AT02778172T patent/ATE269632T1/de not_active IP Right Cessation
- 2002-10-23 EP EP02778172A patent/EP1360885B1/de not_active Expired - Lifetime
- 2002-10-23 DE DE60200654T patent/DE60200654T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE60200654T2 (de) | 2004-11-11 |
| SE0103597L (sv) | 2003-04-27 |
| US20040026100A1 (en) | 2004-02-12 |
| US7161090B2 (en) | 2007-01-09 |
| EP1360885B1 (de) | 2004-06-16 |
| EP1360885A1 (de) | 2003-11-12 |
| CN1259802C (zh) | 2006-06-14 |
| ATE269632T1 (de) | 2004-07-15 |
| CN1481661A (zh) | 2004-03-10 |
| DE60200654D1 (de) | 2004-07-22 |
| SE0103597D0 (sv) | 2001-10-26 |
| WO2003037057A1 (en) | 2003-05-01 |
| DE20280417U1 (de) | 2004-06-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |