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WO2010101723A2 - Tissus appropriés pour des applications de blindage contre des interférences électromagnétiques - Google Patents

Tissus appropriés pour des applications de blindage contre des interférences électromagnétiques Download PDF

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Publication number
WO2010101723A2
WO2010101723A2 PCT/US2010/024861 US2010024861W WO2010101723A2 WO 2010101723 A2 WO2010101723 A2 WO 2010101723A2 US 2010024861 W US2010024861 W US 2010024861W WO 2010101723 A2 WO2010101723 A2 WO 2010101723A2
Authority
WO
WIPO (PCT)
Prior art keywords
nanofibers
fabric
substrate
woven
woven fabric
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.)
Ceased
Application number
PCT/US2010/024861
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English (en)
Other versions
WO2010101723A3 (fr
Inventor
Petr Kužel
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.)
Laird Technologies Inc
Original Assignee
Laird Technologies 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 Laird Technologies Inc filed Critical Laird Technologies Inc
Publication of WO2010101723A2 publication Critical patent/WO2010101723A2/fr
Publication of WO2010101723A3 publication Critical patent/WO2010101723A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
    • D01D5/0084—Coating by electro-spinning, i.e. the electro-spun fibres are not removed from the collecting device but remain integral with it, e.g. coating of prostheses
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • 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
    • H05K9/0084—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single continuous metallic layer on an electrically insulating supporting structure, e.g. metal foil, film, plating coating, electro-deposition, vapour-deposition

Definitions

  • the present disclosure generally relates to fabrics suitable for electromagnetic interference (EMI) shielding applications.
  • EMI electromagnetic interference
  • EMI electromagnetic interference
  • a common solution to ameliorate the effects of EMI has been the development of shields capable of absorbing and/or reflecting EMI energy.
  • EMI should be considered to generally include and refer to EMI emissions and RFI emissions
  • electromagnetic should be considered to generally include and refer to electromagnetic and radio frequency from external sources and internal sources.
  • shielding generally includes and refers to EMI shielding and RFI shielding, for example, to prevent (or at least reduce) ingress and egress of EMI and RFI relative to a housing or other enclosure in which electronic equipment is disposed.
  • a fabric includes a non-woven fabric substrate, nanofibers coupled to the non-woven substrate, and an electrically-conductive plating disposed on at least a portion of the nanofibers.
  • an electrically-conductive fabric includes a non-woven fabric substrate and electrospun nanofibers deposited along at least a surface portion of the non-woven fabric substrate.
  • a gasket includes an electrically- conductive fabric.
  • the electrically-conductive fabric includes a non-woven fabric substrate and a nanofiber layer including between about 0.5 grams per square meter to about 1 gram per square meter of nanofibers deposited along at least a surface portion of the non-woven fabric substrate.
  • Still other exemplary embodiments provide methods of making an electrically-conductive fabric suitable for electromagnetic interference (EMI) shielding application.
  • a method includes depositing nanofibers onto at least a portion of a non-woven substrate and metalizing at least one of the non-woven substrate and the nanofibers.
  • FIG. 1 is a elevational view of a fabric according to an exemplary embodiment of the present disclosure
  • FIG. 2 is a magnified elevational view of the fabric of FIG. 1 ;
  • FIG. 3 is an elevational view of a fabric including a non-woven fabric substrate with nanofibers on opposing surfaces according to an exemplary embodiment of the present disclosure
  • FIG. 4 is an elevational view of a fabric including two non-woven fabric substrates according to an exemplary embodiment of the present disclosure
  • FIG. 5 is an elevational view of an electromagnetic interference gasket according to an exemplary embodiment of the present disclosure
  • FIG. 6 is a schematic view of an electrospinning process for depositing nanofibers onto at least a portion of a non-woven substrate according to an exemplary embodiment of the present disclosure
  • FIG. 7 is a cross-section view of a nanofiber included in the fabric of FIG. 2;
  • FIG. 8 is a block diagram of a method of plating a fabric according to an exemplary embodiment of the present disclosure.
  • the present disclosure generally relates to fabrics suitable for electromagnetic interference (EMI) shielding applications.
  • the fabrics may be used, for example, in application for reducing electromagnetic radiation from and/or into electronic equipment.
  • Other aspects of the present disclosure relate to methods of making and/or using fabrics suitable for EMI shielding applications.
  • the fabric may be a laminate having several layers.
  • FIG. 1 illustrates a fabric 100 according to an exemplary embodiment of the present disclosure.
  • the fabric 100 includes a non- woven fabric substrate 102, nanofibers 104, and an electrically-conductive plating (not visible in FIG. 1 ) disposed on at least a portion of the nanofibers 104.
  • the nanofibers 104 are coupled to at least a portion of the non-woven fiber substrate 102.
  • nanofibers 104 are disposed over a number of voids defined by the non-woven fabric substrate 102 such that a surface area of the combination is increased, as compared to a surface area of the non- woven fabric substrate alone.
  • FIG. 2 A magnification of the fabric 100 is illustrated in FIG. 2.
  • the non-woven fabric substrate 102 defines a number of voids.
  • the nanofibers 104 coupled to the non-woven fabric substrate 102 are composed at least partially of filaments having smaller diameters relative to the diameters and/or cross-sectional area of the fibers of the non-woven fabric substrate 102.
  • the nanofibers 104 are deposited, e.g., via an electrospinning process, etc., onto the non-woven fabric substrate 102, the nanofibers 104 are deposited into and/or onto the voids of the non-woven fabric substrate 102. Accordingly, a surface which comes into contact with the fabric 100 (as represented by the upwardly pointing arrow in FIG.
  • the fabric 100 provides a highly homogeneous surface with a small pore structure, potentially eliminating (or at least reducing) issues caused by adhesive penetration.
  • the thickness, coverage, coating or basis weight, etc. of the nanofibers 104 deposited can be different depending on the particular application.
  • electrospun nanofibers are coupled to a non-woven substrate such that between about 0.2 g/m 2 (grams per square meter) and about 1.0 g/m 2 of nanofibers covers at least a portion of the non-woven substrate.
  • electrospun nanofibers are coupled to a non-woven substrate such that between about 0.5 g/m 2 and about 1.0 g/m 2 of nanofibers covers at least a portion of the non-woven substrate.
  • a layer of nanofibers may be about 1 .0 g/m 2 , which the inventor hereof believes will improve EMI filtration by about 30 percent over known cellulose filtration paper.
  • a layer of nanofibers may be about 1.5 g/m 2 .
  • a layer of nanofibers may be about 0.2 g/m 2 .
  • a layer of nanofibers may be about 0.5 g/m 2 . While nanofibers are generally uniformly distributed across the at least one portion of the non-woven substrate so as provide a homogeneous surface, it should be understood that a non-uniform distribution of nanofibers may be employed in other embodiments.
  • the non-woven fabric substrate 102 illustrated in FIG. 1 includes spunbond polyester.
  • a non-woven fabric substrate may include a type of polyester, e.g., a spunbound polyester, a wetlaid flat calendered polyester, etc.
  • a non-woven fabric substrate may include spunbond polyamid, wetlaid flat calendared polyamid, and/or a different type of polyamid.
  • alternative embodiments may include a different type of organic non-woven substrate of the present disclosure.
  • Still other embodiments may include an inorganic non-woven substrate.
  • the nanofibers 104 are formed from organic polymer solutions and melts in an electrospinning process, resulting in endless, non-hollow filaments. While the nanofibers illustrated in FIG. 1 are electrospun nanofibers, it should be appreciated that nanofibers can be deposited on a non-woven fabric substrate by different techniques in other embodiments of the present disclosure (e.g., such as the example described below with reference to FIG. 6). For example, nanofibers may be deposited onto at least a portion of a non-woven fabric substrate by drawing out, base synthesis, phase separation, self-organization, etc.
  • a particular technique of depositing nanofibers onto a non-woven fabric substrate may be employed in other embodiments based on cost, performance, manufacturability, environmental constraints, a characteristic of the nanofibers, such as a diameter of a filament of nanofiber or a thickness, coverage, coating or basis weight, etc. of a nanofiber layer, and/or other considerations, etc.
  • the fabric 100 is operable for shielding electromagnetic interference across a range of frequencies, such as a frequency range from about 200 Megahertz to about 24 Gigahertz in some embodiments. It should be appreciated that a fiber according to the present disclosure may include a different shape, size, thickness, coverage, coating or basis weight, configuration etc. to shield EMI in various discrete ranges between about 200 Megahertz and about 24 Gigahertz, other frequency ranges below 200 Megahertz or greater than 24 Gigahertz, etc. [0027] As shown in FIG. 1 , the non-woven fabric substrate 102 includes generally opposing first and second surfaces 106, 108. The nanofibers 104 are deposited only on the second surface 108.
  • non-woven fabric substrates may be employed with nanofibers deposited on one or more surfaces depending on the particular implementation of the embodiment. Nanofibers may also be deposited on less than an entire surface of a non-woven fabric substrate.
  • the fabric 300 includes a non-woven fabric substrate 302. Nanofibers 304, 306 are deposited on first and second opposing surfaces 308, 310, respectively.
  • the fabric 400 includes a first non-woven fabric substrate 402 and a second non-woven fabric substrate 404. The fabric 400 further includes nanofibers 406 disposed between the first and second non-woven fabric substrates 402, 404.
  • an electromagnetic interference (EMI) gasket includes an electrically-conductive fabric including a non-woven fabric substrate and nanofibers.
  • the electrically-conductive fabric can be implemented, alone or in combination, in EMI shielding applications.
  • an EMI gasket 500 includes an electrically-conductive fabric 502 coupled to a resilient core member 504 (e.g., foam, etc.).
  • the electrically conductive fabric 502 includes a non-woven fabric 506 and a nanofiber layer 508.
  • the resilient core member permits the EMI gasket 500 to be efficiently disposed within a gap, etc. between two components of electronic equipment.
  • the EMI gasket 500 via the resilient core member 504, is compressible between the two components, thereby minimizing (or at least reducing) gaps between the two components from which electromagnetic energy may be radiated.
  • the resilient core member 504 may include a foam material, thereby providing a fabric-over-foam ("FOF") EMI gasket 500.
  • FAF fabric-over-foam
  • different types of resilient core members may be used depending on the particular installation, size demands, etc. for an EMI gasket.
  • a resilient core member may be omitted from an EMI gasket including an electrically- conductive fabric according to the present disclosure.
  • a fabric may be disposed over a different number of surfaces in other embodiments of the present disclosure.
  • a fabric may be disposed over only a top surface of a resilient core member.
  • a fabric may be coupled to one or more portions of a resilient core member, intended to contact electronic equipment when installed.
  • a fabric may be coupled to a resilient core member via adhesives, etc.
  • gasket 500 may be varied depending on a particular installation, functionality, space considerations, etc. It should further be appreciated that gaskets according to the present disclosure may be incorporated into a wide range of electronic equipment.
  • FIG. 6 illustrates a schematic view of an electrospinning process for depositing a nanofiber on a non-woven fabric substrate.
  • the process utilizes a system 600.
  • the system includes a capillary 602, a reservoir 604, a collector or conductor plate 606, and a voltage source 608.
  • the reservoir 604 is in fluidic communication with the capillary 602.
  • the capillary 602 is coupled to the positive electrode 610 of the voltage source 608.
  • the conductor plate 606 is coupled to the negative electrode 612 of the voltage source 608, generally earth ground.
  • an organic polymer solution is supplied to the reservoir 604, and a non-woven fabric substrate 614 is coupled to the conductor plate 606.
  • the polymer solution becomes charged and follows a current path from the end of the capillary 602 to the conductor plate 606, through the non- woven fabric substrate 614.
  • the polymer solution forms a cone-shape as polymer solution approaches the non-woven fabric substrate 614.
  • the polymer solution dries, leaving filaments of nanofibers 616 deposited on the non-woven fabric substrate 614.
  • the nanofibers 616 may be continuously, and endlessly, supplied to the non-woven fabric substrate 614. Either one of the capillary 602 and the conductor plate 606 can be rotated, displaced, and/or moved to deposit a uniform thickness of the nanofibers 616 onto at least a portion of the non-woven fabric substrate 614.
  • a distance between the capillary 602 and the conductor plate 606 can be adjusted to change the diameter of the filaments of nanofibers 616.
  • the distance between a capillary and a collector/conductor plate may be configured to provide filaments of nanofibers with diameters of less than about 1.0 micrometers.
  • the length of the nanofibers is independent of the electrospinning process. Accordingly, nanofibers may have virtually any length based on a size of a non-woven fabric substrate, a thickness of nanofibers, efficiency of the electrospinning process, etc. as desired for a particular embodiment.
  • the fibers of the non-woven fabric 102 and the nanofibers 104 are plated to be electronically-conductive.
  • one of the nanofibers 702 is illustrated as being plated with copper 704 and nickel 706.
  • different metallic and/or non-metallic plating(s) may be employed in other embodiments of the present disclosure to render a fabric electrically-conductive.
  • a nanofiber may be plated with only one of copper and nickel.
  • other materials may be used, such as copper, nickel, nickel copper, palladium, platinum, silver, tin, tin copper, gold, alloys thereof, etc.
  • the plating is disposed on the non- woven fabric substrate 102 and the nanofibers 104 of the fabric 100 as shown in FIG. 2, it should be appreciated that only the nanofibers or the non-woven fabric substrate may be plated in other embodiments of the present disclosure.
  • the non-woven fabric substrate and nanofibers may be metalized in accordance with the operations or processes 802 and 804 of the exemplary process 800 shown in FIG. 8.
  • the non-woven fabric substrate and nanofibers are catalyzed at operation 802.
  • Various embodiments may catalyze the porous substrate at operation 802 by using one or more of the processes or methods described in U.S. Patent 6,395,402 entitled “Electrically Conductive Polymeric Foam and Method of Preparation Thereof", the disclosure of which is incorporated herein by reference.
  • operation 804 includes plating and/or metalizing the catalyzed porous substrate with one or more metals.
  • the catalyzed porous substrate is plated with copper, and then plated with nickel.
  • the porous substrate may be provided with more or less than two metal layers, may be provided with metals using other processes (e.g., batch plating, reel-to-reel metal plating, physical vapor deposition, electroless plating, electrolytic plating, combinations thereof, etc.), and/or may be provided with metals besides nickel and copper.
  • the plating process generally includes partially or wholly immersing the nanofibers into a solution containing the metal or non-metal plating to be disposed on the nanofibers.
  • plating includes immersing nanofibers in a copper solution and applying an electrical current thereto.
  • first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as “first,” “second,” and other numerical terms, “next,” etc., when used herein, do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
  • Spatially relative terms such as “inner,” “outer,” “beneath”, “below”, “lower”, “above”, “upper” and the like, may be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as “below” or “beneath” other elements or features would then be oriented “above” the other elements or features. Thus, the example term “below” can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Woven Fabrics (AREA)

Abstract

Selon des exemples de modes de réalisation, l'invention porte sur un tissu électroconducteur approprié pour des applications de blindage contre les interférences électromagnétiques (EMI). Dans un exemple de mode de réalisation, le tissu électroconducteur comprend de façon générale un substrat non tissé, des nanofibres couplées au substrat non tissé, et un plaquage électroconducteur disposé sur au moins une partie des nanofibres.
PCT/US2010/024861 2009-03-06 2010-02-22 Tissus appropriés pour des applications de blindage contre des interférences électromagnétiques Ceased WO2010101723A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15814109P 2009-03-06 2009-03-06
US61/158,141 2009-03-06

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Publication Number Publication Date
WO2010101723A2 true WO2010101723A2 (fr) 2010-09-10
WO2010101723A3 WO2010101723A3 (fr) 2011-01-20

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PCT/US2010/024861 Ceased WO2010101723A2 (fr) 2009-03-06 2010-02-22 Tissus appropriés pour des applications de blindage contre des interférences électromagnétiques

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WO (1) WO2010101723A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102019240A (zh) * 2010-12-29 2011-04-20 厦门大学 可起停控制的电纺直写喷头
EP2458952A4 (fr) * 2009-07-24 2013-08-21 Asahi Kasei Fibers Corp Feuille de blindage électromagnétique
TWI618832B (zh) * 2013-10-21 2018-03-21 Denny Huang 彩色高強度纖維材料的製法及其成品
US12115737B2 (en) 2020-03-03 2024-10-15 3M Innovative Properties Company Thermally conductive articles including entangled or aligned fibers, methods of making same, and battery modules

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170136064A (ko) * 2016-05-30 2017-12-11 주식회사 아모그린텍 플렉시블 전자파 차폐시트 및 그를 구비한 전자기기
US10718805B2 (en) 2016-06-14 2020-07-21 Micron Technology, Inc. Apparatus and methods for testing devices

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Publication number Priority date Publication date Assignee Title
JP4404961B2 (ja) * 2002-01-08 2010-01-27 双葉電子工業株式会社 カーボンナノ繊維の製造方法。
TW200503611A (en) * 2003-04-28 2005-01-16 Takiron Co Electromagnetic wave shielding light diffusion sheet
WO2007083822A1 (fr) * 2006-01-17 2007-07-26 Seiren Co., Ltd. Matériau de garniture électroconducteur
JP2007287960A (ja) * 2006-04-18 2007-11-01 Konica Minolta Holdings Inc 電磁波遮断材料及び電磁波遮断材料の作製方法
JP2009038249A (ja) * 2007-08-02 2009-02-19 Teijin Techno Products Ltd 耐熱性電磁波遮蔽紙
CN101113568A (zh) * 2007-08-07 2008-01-30 东华大学 一种黑色金属化电磁屏蔽织物及其制备方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2458952A4 (fr) * 2009-07-24 2013-08-21 Asahi Kasei Fibers Corp Feuille de blindage électromagnétique
US9233517B2 (en) 2009-07-24 2016-01-12 Asahi Kasei Fibers Corporation Electromagnetic shielding sheet
CN102019240A (zh) * 2010-12-29 2011-04-20 厦门大学 可起停控制的电纺直写喷头
TWI618832B (zh) * 2013-10-21 2018-03-21 Denny Huang 彩色高強度纖維材料的製法及其成品
US12115737B2 (en) 2020-03-03 2024-10-15 3M Innovative Properties Company Thermally conductive articles including entangled or aligned fibers, methods of making same, and battery modules

Also Published As

Publication number Publication date
TWI403628B (zh) 2013-08-01
WO2010101723A3 (fr) 2011-01-20
TW201040351A (en) 2010-11-16

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