ATE120301T1 - Verfahren zur behandlung von teilchen, die zur herstellung von material zur elektromagnetischen abschirmung benutzt werden. - Google Patents

Verfahren zur behandlung von teilchen, die zur herstellung von material zur elektromagnetischen abschirmung benutzt werden.

Info

Publication number
ATE120301T1
ATE120301T1 AT90121272T AT90121272T ATE120301T1 AT E120301 T1 ATE120301 T1 AT E120301T1 AT 90121272 T AT90121272 T AT 90121272T AT 90121272 T AT90121272 T AT 90121272T AT E120301 T1 ATE120301 T1 AT E120301T1
Authority
AT
Austria
Prior art keywords
electromagnetic shielding
shielding material
particles used
produce electromagnetic
particles
Prior art date
Application number
AT90121272T
Other languages
English (en)
Inventor
Wen-Shian Vincent Tzeng
Original Assignee
Chomerics Inc
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 Chomerics Inc filed Critical Chomerics Inc
Application granted granted Critical
Publication of ATE120301T1 publication Critical patent/ATE120301T1/de

Links

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
    • 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
    • H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/17—Metallic particles coated with metal
    • 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
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/04—Fixed joints
    • H01P1/042—Hollow waveguide joints
    • 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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B29K2995/0005—Conductive
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12049—Nonmetal component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12674—Ge- or Si-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12708—Sn-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12708—Sn-base component
    • Y10T428/12715—Next to Group IB metal-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12708—Sn-base component
    • Y10T428/12722—Next to Group VIII metal-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/12743—Next to refractory [Group IVB, VB, or VIB] metal-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/1275—Next to Group VIII or IB metal-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Conductive Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Powder Metallurgy (AREA)
  • Sealing Material Composition (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
AT90121272T 1985-08-06 1986-08-01 Verfahren zur behandlung von teilchen, die zur herstellung von material zur elektromagnetischen abschirmung benutzt werden. ATE120301T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/762,962 US4678716A (en) 1985-08-06 1985-08-06 Electromagnetic shielding

Publications (1)

Publication Number Publication Date
ATE120301T1 true ATE120301T1 (de) 1995-04-15

Family

ID=25066522

Family Applications (2)

Application Number Title Priority Date Filing Date
AT90121272T ATE120301T1 (de) 1985-08-06 1986-08-01 Verfahren zur behandlung von teilchen, die zur herstellung von material zur elektromagnetischen abschirmung benutzt werden.
AT86305928T ATE69907T1 (de) 1985-08-06 1986-08-01 Material zur elektromagnetischen abschirmung und herstellungsverfahren.

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT86305928T ATE69907T1 (de) 1985-08-06 1986-08-01 Material zur elektromagnetischen abschirmung und herstellungsverfahren.

Country Status (6)

Country Link
US (1) US4678716A (de)
EP (2) EP0424977B1 (de)
JP (1) JPS6285500A (de)
AT (2) ATE120301T1 (de)
CA (1) CA1278420C (de)
DE (2) DE3682635D1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734140A (en) * 1985-08-06 1988-03-29 Chomerics, Inc. Heat treatment of electromagnetic shielding composition
DE3620172A1 (de) * 1986-06-14 1987-12-17 Vacuumschmelze Gmbh Abschirmhuelle aus elektrisch leitenden elementen
US4780575A (en) * 1987-05-14 1988-10-25 Flavin John W Electrically conductive elastomer composition
EP0591126A4 (en) * 1988-08-29 1995-09-06 Marian J Ostolski Process for making noble metal coated metallic particles, and resulting conductive materials
US4948922A (en) * 1988-09-15 1990-08-14 The Pennsylvania State University Electromagnetic shielding and absorptive materials
US5175056A (en) * 1990-06-08 1992-12-29 Potters Industries, Inc. Galvanically compatible conductive filler
US5399432A (en) * 1990-06-08 1995-03-21 Potters Industries, Inc. Galvanically compatible conductive filler and methods of making same
US5115140A (en) * 1991-01-24 1992-05-19 Progressive Products, Inc. EMR/RFR/MWR body shield composition
US5186635A (en) * 1992-03-24 1993-02-16 United Technologies Corporation Electrical connector assembly with EMI protection
US6719293B1 (en) * 1992-08-19 2004-04-13 The Boeing Company Corrosion resistant gasket for aircraft
US5791654A (en) * 1992-08-19 1998-08-11 The Boeing Company Corrosion resistant gasket in combination with aircraft antenna
US6454276B2 (en) * 1992-08-19 2002-09-24 The Boeing Company Corrosion resistant gasket for aircraft
US6454267B1 (en) * 1992-08-19 2002-09-24 The Boeing Company Corrosion resistant gasket for aircraft
US5401914A (en) * 1993-02-03 1995-03-28 The Curran Company Vent for shielded enclosures
US6303180B1 (en) 1993-09-10 2001-10-16 Parker-Hannifin Corporation Form-in-place EMI gaskets
CA2129073C (en) * 1993-09-10 2007-06-05 John P. Kalinoski Form-in-place emi gaskets
US5519168A (en) * 1993-10-12 1996-05-21 Owens; William M. Electromagnetic interference shielding
US5910524A (en) * 1995-01-20 1999-06-08 Parker-Hannifin Corporation Corrosion-resistant, form-in-place EMI shielding gasket
US5641438A (en) * 1995-01-24 1997-06-24 Bunyan; Michael H. Method for forming an EMI shielding gasket
US6635354B2 (en) 1995-01-20 2003-10-21 Parker-Hannifin Corporation Form-in place EMI gaskets
DE19617656A1 (de) * 1996-05-03 1997-11-06 Siegfried Schaal Metallveredel Abschirm-Formteil für elektronische Bauelemente
JP2000106197A (ja) * 1998-09-30 2000-04-11 Aisin Takaoka Ltd 燃料電池及び燃料電池用セパレータ
US6646199B2 (en) 1999-10-20 2003-11-11 Chemque, Inc. Polymeric foam gaskets and seals
US6483719B1 (en) * 2000-03-21 2002-11-19 Spraylat Corporation Conforming shielded form for electronic component assemblies
US20040053055A1 (en) * 2002-07-03 2004-03-18 Robinson John W. Rubber toughened epoxy resins for resin infusion processing, methods of using the resins and articles made therefrom
WO2005080633A2 (en) * 2004-02-17 2005-09-01 Tyco Printed Circuit Group Lp Method for zinc coating aluminum
US20060047053A1 (en) * 2004-08-27 2006-03-02 Ivan Pawlenko Thermoconductive composition for RF shielding
US7355857B2 (en) 2006-02-07 2008-04-08 Methode Electronics, Inc. Heat sink gasket
EP2004873A1 (de) * 2006-04-12 2008-12-24 Ciba Holding Inc. Verfahren zur behandlung von metallbeschichteten teilchen
WO2009158045A1 (en) * 2008-06-23 2009-12-30 Parker-Hannifin Corporation Emi shielding materials
CA2704683A1 (en) * 2010-05-28 2010-08-12 Ibm Canada Limited - Ibm Canada Limitee Grounded lid for micro-electronic assemblies
KR101319488B1 (ko) * 2012-01-06 2013-10-17 한국전자통신연구원 전자파 차폐 구조를 위한 환기구 구조체
EP2787510B1 (de) * 2013-04-02 2018-05-30 Heraeus Deutschland GmbH & Co. KG Partikel mit Al, Si und Mg in elektrisch leitenden Pasten und Solarzellenherstellung
JP6230022B2 (ja) * 2014-02-27 2017-11-15 国立大学法人秋田大学 Ａｇ被覆Ａｌ−Ｓｉ合金粒子及びその製造方法、並びに、導電性ペースト
CN113020587B (zh) * 2021-02-09 2022-12-30 哈尔滨工业大学（深圳） 银包铜粉的制备方法
CN114916217B (zh) * 2022-05-30 2023-08-29 中国电子科技集团公司第二十九研究所 一种高屏蔽效能的带自粘胶型导电密封衬垫

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US3194860A (en) * 1962-10-02 1965-07-13 John E Ehrreich Manufacture of reinforced conductive plastic gaskets
US3140342A (en) * 1963-07-05 1964-07-07 Chomerics Inc Electrical shielding and sealing gasket
US3202488A (en) * 1964-03-04 1965-08-24 Chomerics Inc Silver-plated copper powder
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US4076652A (en) * 1976-05-24 1978-02-28 E. I. Du Pont De Nemours And Company Elastic resistor compositions containing metallic-conductive particles and conductive lubricant particles
US4189618A (en) * 1978-07-31 1980-02-19 Allied Chemical Corporation Electromagnetic shielding envelopes from wound glassy metal filaments
US4174419A (en) * 1978-11-08 1979-11-13 Allied Chemical Corporation Stabilized magnetic shields
US4305847A (en) * 1979-07-26 1981-12-15 Acheson Industries, Inc. Copper coating composition for shielding electronic equipment and the like
US4316944A (en) * 1980-06-18 1982-02-23 United Technologies Corporation Noble metal-chromium alloy catalysts and electrochemical cell
US4507359A (en) * 1980-12-22 1985-03-26 Chomerics, Inc. Electromagnetic shielding
US4434541A (en) * 1980-12-22 1984-03-06 Chomerics, Inc. Electromagnetic shielding
US4404125A (en) * 1981-10-14 1983-09-13 General Electric Company Polyphenylene ether resin compositions for EMI electromagnetic interference shielding
US4442182A (en) * 1982-05-26 1984-04-10 Teledyne Penn-Union One-piece, composite electrical connector
JPS6042442A (ja) * 1983-08-19 1985-03-06 Nippon Oil Co Ltd 導電性樹脂組成物
JPS6099182A (ja) * 1983-11-04 1985-06-03 Atsugi Chuo Kenkyusho Kk シアノアクリレート混合用金属粉

Also Published As

Publication number Publication date
CA1278420C (en) 1991-01-02
EP0213762B1 (de) 1991-11-27
DE3682635D1 (de) 1992-01-09
JPS6285500A (ja) 1987-04-18
EP0213762A2 (de) 1987-03-11
EP0213762A3 (en) 1987-11-04
US4678716A (en) 1987-07-07
EP0424977A2 (de) 1991-05-02
DE3650280T2 (de) 1995-08-10
DE3650280D1 (de) 1995-04-27
JPH0231519B2 (de) 1990-07-13
EP0424977B1 (de) 1995-03-22
ATE69907T1 (de) 1991-12-15
EP0424977A3 (en) 1991-07-03

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