EP2154950A4 - Electromagnetic shielding material - Google Patents

Electromagnetic shielding material

Info

Publication number
EP2154950A4
EP2154950A4 EP08755449A EP08755449A EP2154950A4 EP 2154950 A4 EP2154950 A4 EP 2154950A4 EP 08755449 A EP08755449 A EP 08755449A EP 08755449 A EP08755449 A EP 08755449A EP 2154950 A4 EP2154950 A4 EP 2154950A4
Authority
EP
European Patent Office
Prior art keywords
electromagnetic shielding
shielding material
electromagnetic
shielding
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.)
Withdrawn
Application number
EP08755449A
Other languages
German (de)
French (fr)
Other versions
EP2154950A1 (en
Inventor
Jonathan Bowden
Bradlee W Gustavesen
Harold James Klei
James E Lordi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chase Corp
Original Assignee
Chase Corp
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 Chase Corp filed Critical Chase Corp
Publication of EP2154950A1 publication Critical patent/EP2154950A1/en
Publication of EP2154950A4 publication Critical patent/EP2154950A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
    • G06K19/07318—Means for preventing undesired reading or writing from or onto record carriers by hindering electromagnetic reading or writing
    • G06K19/07327—Passive means, e.g. Faraday cages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
EP08755449A 2007-05-16 2008-05-14 Electromagnetic shielding material Withdrawn EP2154950A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80377307A 2007-05-16 2007-05-16
PCT/US2008/063595 WO2008144336A1 (en) 2007-05-16 2008-05-14 Electromagnetic shielding material

Publications (2)

Publication Number Publication Date
EP2154950A1 EP2154950A1 (en) 2010-02-24
EP2154950A4 true EP2154950A4 (en) 2010-06-23

Family

ID=40122125

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08755449A Withdrawn EP2154950A4 (en) 2007-05-16 2008-05-14 Electromagnetic shielding material

Country Status (6)

Country Link
EP (1) EP2154950A4 (en)
JP (1) JP2011508408A (en)
CN (1) CN101730464A (en)
AU (1) AU2008255083A1 (en)
TW (1) TW200906609A (en)
WO (1) WO2008144336A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090096703A1 (en) * 2007-05-16 2009-04-16 Chase Corporation Paper/biodegradable plastic laminate and electromagnetic shielding material
DE102009016526A1 (en) * 2009-04-06 2010-10-07 Giesecke & Devrient Gmbh Multi-layered card-shaped data carrier
DE102009021694A1 (en) 2009-05-18 2010-11-25 Winter Ag Protective cover for a data carrier with a transponder unit and method for the production thereof
DE202009012720U1 (en) * 2009-08-11 2010-01-14 Göcke, Ludwig, Dipl.-Ökonom Material for shielding against electromagnetic waves
CN101833680A (en) * 2010-03-26 2010-09-15 成都兴同达微电子科技有限公司 Anti-interference method of RFID (radio frequency identification) electronic tag
KR101275983B1 (en) * 2010-09-01 2013-06-14 현대카드 주식회사 A metal payment card and make method thereof
US8578982B2 (en) * 2011-06-28 2013-11-12 Victor Lee Scanner resistant device for RFID cards
BR112015001055A2 (en) 2012-07-19 2017-06-27 3M Innovative Properties Co electromagnetic shielding label
CN103331981A (en) * 2013-06-25 2013-10-02 苏州市星辰材料有限公司 Shielding material
SG11201601418YA (en) * 2013-10-17 2016-03-30 Univ Nanyang Tech Conductive paper and method of forming the same
US20160052240A1 (en) 2014-08-25 2016-02-25 Chase Corporation Paper/ plastic laminate and electromagnetic shielding material
JP6200442B2 (en) * 2015-03-02 2017-09-20 東芝テック株式会社 Reading device and POS device
JP2017157697A (en) * 2016-03-02 2017-09-07 株式会社巴川製紙所 Composite sheet for thermal insulation and electromagnetic wave shielding and use of the same
US10506746B1 (en) * 2016-07-01 2019-12-10 Conductive Composites Company Ip, Llc Methods and systems for constructing or retrofitting electromagnetically shielded facilities
CN107964830A (en) * 2017-11-17 2018-04-27 苏州甫众塑胶有限公司 A kind of preparation method of composite conductive paper
CN110816431B (en) * 2019-11-22 2023-02-03 中国兵器工业第五九研究所 Heat-insulation noise-reduction neutron shielding functional material and structure
CN111386023A (en) * 2020-03-19 2020-07-07 江苏万华拓谷新材料科技有限公司 Cellular composite wave-absorbing electromagnetic shielding material and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398672A1 (en) * 1989-05-17 1990-11-22 Minnesota Mining And Manufacturing Company Microwave absorber for direct surface application
WO1993008674A1 (en) * 1991-10-23 1993-04-29 W.L. Gore & Associates, Inc. Electromagnetic interference shielding filter
WO2006005984A1 (en) * 2004-06-16 2006-01-19 Axalto Sa Shielded contactless electronic document
WO2006107778A2 (en) * 2005-04-01 2006-10-12 Mastercard International Incorporated System and method for protection against skimming of information from contactless cards

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647714A (en) * 1984-12-28 1987-03-03 Sohwa Laminate Printing Co., Ltd. Composite sheet material for magnetic and electronic shielding and product obtained therefrom
US7501984B2 (en) * 2003-11-04 2009-03-10 Avery Dennison Corporation RFID tag using a surface insensitive antenna structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398672A1 (en) * 1989-05-17 1990-11-22 Minnesota Mining And Manufacturing Company Microwave absorber for direct surface application
WO1993008674A1 (en) * 1991-10-23 1993-04-29 W.L. Gore & Associates, Inc. Electromagnetic interference shielding filter
WO2006005984A1 (en) * 2004-06-16 2006-01-19 Axalto Sa Shielded contactless electronic document
WO2006107778A2 (en) * 2005-04-01 2006-10-12 Mastercard International Incorporated System and method for protection against skimming of information from contactless cards

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008144336A1 *

Also Published As

Publication number Publication date
EP2154950A1 (en) 2010-02-24
WO2008144336A1 (en) 2008-11-27
TW200906609A (en) 2009-02-16
AU2008255083A1 (en) 2008-11-27
JP2011508408A (en) 2011-03-10
CN101730464A (en) 2010-06-09

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