100182 ⎘
Manufacture of articles or shaped materials containing macromolecular substances Impregnating materials with prepolymers which can be polymerised , e.g. manufacture of prepregs
Thermosetting epoxy resin compositions useful as structural reinforcement or structural foam
#602SMA resin formulation
#603Aromatic polyether microparticles, method for producing cured resin product, and method for producing carbon-fiber-reinforced composite material
#604HOMOGENEOUS AMORPHOUS HIGH HEAT EPOXY BLEND COMPOSITE COMPOSITIONS, ARTICLES, AND USES THEREOF
#605Partially separated fiber bundle, production method for partially separated fiber bundle, fiber-reinforced resin molding material using partially separated fiber bundle, and production method for fiber-reinforced resin molding material using partially separated fiber bundle
#606Composite panel, composite material, impregnator and method for manufacturing a composite panel
#607Prepreg, metal-clad laminated board, and printed wiring board
#608System for producing a fully impregnated thermoplastic prepreg
#609Fast-cure pre-preg
#610Manufacturing control systems and logic for prognosis of defects in composite materials
#611Prepreg and fiber-reinforced composite material
#612Epoxy resin
#613Impregnation process for a fibrous substrate, a liquid (meth) acrylic syrup for the impregnation process, its method of polymerization and structured article obtained thereof
#614Resin composition, resin layer-provided support, prepreg, laminate sheet, multilayer printed wiring board, and printed wiring board for millimeter-wave radar
#615Prepreg, prepreg laminate and method for producing prepreg
#616Resin-based composite structure and method for forming resin-based composite structure
#617Method for inserting out-of-plane reinforcement threads and method for producing fiber-containing material
#618Green epoxy resin with biobinder from manure
#619Random mat and production method therefor, and fiber-reinforced resin molding material using random mat
#620Liquid composition or syrup comprising a multistage polymer and a (meth)acrylic polymer, syrup for impregnation process, impregnation process for a fibrous substrate, a method of polymerization and structured article obtained thereof
#621Thermoplastic particle-toughened prepreg for use in making composite parts which tolerate hot and wet conditions
#622Prepreg for use in making composite parts which tolerate hot and wet conditions
#623Incised prepreg and method for producing incised prepreg
#624Prepreg, prepreg laminate, and fiber-reinforced composite material
#625Optimized sizing for carbon fiber-sheet molding compound
#626Benzothiazoles as latent catalysts for benzoxazine resins
#627Liquid composition comprising a phousphorus based additive, its use and material or composition obtained following polymerisation of composition
#628N-VINYL LACTAM-BASED CROSSLINKED POLYMER, COSMETIC, ABSORBENT AGENT FOR INK AND ABSORBENT COMPOSITE
#629Phthalonitrile Monomer Modified with Organophosphorus Fragments, a Method of Producing thereof, a Binder Based Thereon, and a Prepreg
#630Laminated film for fiber adhesion and/or fiber sheet surface protection and thermosetting composition for fiber adhesion and/or fiber sheet surface protection
#631FIBER-REINFORCED COMPOSITES MADE WITH MULTI-PART THERMOPLASTIC POLYMERS
#632Epoxy resin composition, prepreg, and fiber-reinforced composite material
#633Liquid (meth)acrylic syrup for impregnating a fibrous substrate, method for impregnating a fibrous substrate, and composite material produced after polymerisation of said pre-impregnated substrate
#634Prepregs and laminates having homogeneous dielectric properties
#635Resin composition, and pre-preg, metal-clad laminate, and printed circuit board prepared using the same
#636Maleimide Resin Composition, Prepreg, Cured Product Of Same And Semiconductor Device
#637Resin composition, method for producing resin composition, prepreg, film with resin, metal foil with resin, metal-clad laminate, and wiring board
#638Graphene-augmented composite materials
#639Preform, its method of preparation and its use
#640Resin composition, and pre-preg, metal-clad laminate and printed circuit board prepared using the same
#641Epoxy resin, production method, epoxy resin composition and cured product of same
#642Filler particles for polymers
#643Thermally conductive resin, resin composition, prepreg, and copper clad laminate
#644Resin composition, prepreg, and copper clad laminate
#645LOW-VISCOSITY EPOXY RESINS AND LOW VOC CURABLE FORMULATIONS THEREFROM
#646Electrical Insulation System Based on Epoxy Resins for Generators and Motors
#647Thermosetting resin composition, prepreg, fiber-reinforced plastic molded body and method for producing same
#648Ultra-high molecular weight, ultra-fine particle size polyethylene, preparation method therefor and use thereof
#649Method of making a fiber preform for ceramic matrix composite (CMC) fabrication utilizing a fugitive binder
#650FIBER-CONTAINING MATERIAL, METHOD FOR INSERTING OUT-OF-PLANE REINFORCEMENT THREADS, AND METHOD FOR PRODUCING FIBER-CONTAINING MATERIAL
#651Partially separated fiber bundle, production method of partially separated fiber bundle, fiber-reinforced resin molding material using partially separated fiber bundle, and production method of fiber-reinforced resin molding material using partially separated fiber bundle
#652Production method for separated fiber bundle, separated fiber bundle, fiber-reinforced resin molding material using separated fiber bundle, and production method for fiber-reinforced resin molding material using separated fiber bundle
#653AROMATIC POLYIMIDES SUITABLE FOR 3D PRINTING PROCESSES
#654Method for the manufacture of a poly(imide) prepolymer powder and varnish, poly(imide) prepolymer powder and varnish prepared thereby, and poly(imide) prepared therefrom
#655Chemically decomposable epoxide resin system
#656Epoxy resin composition, prepreg, and fiber-reinforced composite material
#657Systems and methods for manufacturing prepreg tapes
#658Thermosetting resin composition, prepreg, laminated board, printed wiring board, and high speed communication-compatible module
#659INTEGRATED PROCESS FOR TREATING RECYCLED STREAMS OF PET AND PTT
#660PREPREG SHEET AND MANUFACTURING METHOD OF FIBER-REINFORCED COMPOSITE MATERIAL
#661EPOXY RESIN COMPOSITION, PREPREG, AND FIBER REINFORCED PLASTIC MATERIAL
#662Fiber-reinforced resin intermediate material, fiber-reinforced resin molded article, and method for producing fiber-reinforced resin intermediate material
#663Multilayer board and method of manufacturing the same
#664Curable prepregs with surface openings
#665Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
#666Resin composition, prepreg, metal foil-clad laminate, resin sheet, and printed circuit board
#667Fiber-reinforced polymer composition for use in an electronic module
#668METHOD FOR PRODUCING PARTS MADE OF A COMPOSITE MATERIAL WITH REINFORCERS
#669Resin composition, prepreg, metal foil-clad laminate, resin sheet and printed circuit board
#670Thermosetting resin composition, and prepreg and substrate using same
#671POLY(PHENYLENE ETHER)-CONTAINING COMPOSITE AND LAMINATE PREPARED THEREFROM, AND METHOD OF FORMING COMPOSITE
#672Prepreg, metal-clad laminated board, and printed wiring board
#673Resin composition and uses of the same
#674Resin composition and article made therefrom
#675METHOD OF MANUFACTURING CORE MATERIAL AND METHOD OF MANUFACTURING COPPER CLAD LAMINATE
#676Composite materials including filled hollow glass filaments
#677Fiber-reinforced composite material, laminate, pipe, riser pipe, and flow line
#678Articles made from lipophilic-rich cellulosic material and methods therefor
#679Glass cloth, prepreg and printed wiring board
#680Composites with interlaminar toughening particles and method of making the same
#681PHOSPHONATE BASED HALOGEN-FREE COMPOSITIONS FOR PRINTED CIRCUIT BOARD APPLICATIONS
#682Method of manufacturing composite products comprising a carbohydrate-based binder
#683Bi-polymer thermoplastic
#684Polyurethane pultrusion article
#685POLYMERIZABLE COMPOSITION
#686Epoxy resin curing agent, epoxy resin composition, and carbon fiber-reinforced composite material
#687Resin composite film including cellulose microfiber layer
#688Method to uniformly debundle and evenly distribute high fiber count carbon tow
#689Anaerobic composite matrix resins
#690Resins and Radomes Including Them
#691POLYMER COMPOSITES WITH HIGHLY TUNABLE THERMAL AND MECHANICAL PROPERTIES AND METHODS OF MANUFACTURE
#692METHOD FOR PRODUCING LIQUID COMPOSITION CONTAINING FLUORORESIN POWDER
#693Prepreg and molded article
#694LOW-DEFECT FABRICATION OF COMPOSITE MATERIALS
#695Prepreg, metal-clad laminate, printed wiring board, and method for producing prepreg
#696Rubberized textile material for a belt ply, associated rubber mixture and belt
#697Vinylbenzyl imide resin, method of preparing vinylbenzyl imide resin, vinylbenzyl imide prepolymer, resin composition and article made therefrom
#698Structural reinforcements
#699Fiber-reinforced polyamide resin base, method for producing same, molded article containing same, and composite molded article
#700Resin composition, and pre-preg, metal-clad laminate and printed circuit board prepared using the same
#701Aromatic polysulfone, prepreg, and method for producing prepreg
#702Terminally modified imide oligomer, varnish, cured products thereof, film, and imide prepreg and fiber-reinforced composite material using these
#703Cyclic olefin copolymer composition and cross-linked product thereof
#704Prepreg, fiber-reinforced composite material and surface-modified reinforcing fibers
#705Curable resin for mineral wool
#706Resin-impregnated fiber bundle, compression molded article, and a method for producing the same
#707Fluorinated copolymer composition, method for its production, and molded product
#708Method of producing fiber reinforced composite material
#709Primer composition and copper foil substrate using the same
#710Aligned discontinuous fiber preforms, composites and systems and processes of manufacture
#711CARBON FIBER BUNDLE FORMING DEVICE AND METHOD
#712Facile methods to manufacture intelligent graphene nanomaterials and the use of for super-light machine and vehicles
#713Method for producing composite fiber components
#714Fiber-reinforced resin, process for producing same, and molded article
#715Composite panel material
#716Method for making unidirectional fiber-reinforced tapes
#717Aromatic polysulfone, prepreg, and method for producing prepreg
#718Molding material, sheet molding compound and fiber-reinforced composite material
#719Pre-preg and composite products comprising fibers and a liquid crystal thermoset precursor
#720Liquid (meth)acrylic composition comprising a multistage polymer and a (meth)acrylic monomer, its method of preparation and its use
#721Epoxy resin composition, prepreg and fiber reinforced composite material
#722Polymerizable composition and composite material
#723Thermosetting resin composition, sheet-molding compound and production method therefor, and fiber-reinforced composite material
#724Method for joining two fibre-reinforced plastic components
#725Prepreg manufacturing device and prepreg manufacturing method using same
#726Reduced salt precipitation in carbohydrate containing binder compositions
#727Multilayer transmission line plate
#728Resin composition, prepreg, metal-foil-clad laminate, resin sheet, and printed circuit board
#729Composite material with thermoplastic toughened novolac-based epoxy resin matrix
#730Polymerizable composition
#731Modified barium titanate foam ceramic/thermosetting resin composites and preparation method thereof
#732Metal-clad laminate, metal member with resin, and wiring board
#733Toothed belt
#734Fibers treated with polymerization compounds and fiber reinforced composites made therefrom
#735INTEGRATED PROCESS FOR TREATING RECYCLED PET AND PTT MATERIALS
#736Low Noise Polymer Composition
#737Fast cure epoxy resin compositions
#738Varnish, prepreg, film with resin, metal foil-clad laminate, and printed circuit board
#739Product with absorbed gel
#740Polyphenyl ether resin composition and prepreg, laminated board and printed circuit board containing same
#741EPOXY-FIBER REINFORCED COMPOSITES, METHOD TO FORM THE COMPOSITES AND EPOXY RESIN COMPOSITION USED THEREFOR
#742PREPREG AND MOLDED ARTICLE
#743Thermally conductive type polyimide substrate
#744Laminated base material and method of manufacturing fiber-reinforced plastic
#745Method for providing a moulding composition and moulding composition
#746Resin composition and article made therefrom
#747Curable resin composition, structural adhesive, coating material or fiber reinforced composite material using the same, foam body using the same, laminate using the same, and cured material thereof
#748Composite material via in-situ polymerization of thermoplastic (meth)acrylic resins and its use
#749PRODUCTION OF FIBER COMPOSITE MATERIALS
#750Process for preparing resin composition comprising benzoxazine, prepreg and laminate prepared therefrom
#751Resin composition and articles made therefrom
#752Vinyl-modified maleimide, composition and article made thereby
#753Oxazine compound, composition, and cured product
#754Oxazine compound, composition and cured product
#755Oxazine compound, composition and cured product
#756Structured thermoplastic in composite interleaves
#757Composite structures, materials with a removable backing for composite structures and related devices and methods
#758CAD/CAM-machinable disc for the manufacture of fiber inlay-cores
#759Molding compound having randomly oriented filaments and methods for making and using same
#760Peroxy ester cure of liquid prepolymer compositions
#761Prepreg, laminate body, fiber reinforced composite material, and manufacturing method for fiber reinforced composite material
#762THERMOSETTING RESIN COMPOSITION, PREPREG CONTAINING SAME, LAMINATED BOARD, AND PRINTED CIRCUIT BOARD
#763In-situ polymerized type thermoplastic prepreg, thermoplastic composite, and methods of manufacturing the same
#764Sizing agent coated carbon fiber, method for producing sizing agent coated carbon fiber, carbon fiber reinforced composite material, and method for producing carbon fiber reinforced composite material
#765Epoxy resin, method for producing the epoxy resin, curable resin composition, and cured product thereof
#766Sized glass fibers for fiber-containing composite articles and methods of making them
#767COMPOSITE MATERIAL STITCHING STRUCTURE REINFORCED WITH Z-DIRECTION FIBER
#768Method for producing FRP precursor and device for producing same
#769Binder compositions and uses thereof
#770Rapid curing thiol epoxy resin with improved compression strength performance
#771Method of manufacturing metal-clad laminate and uses of the same
#772SURFACE FUNCTIONALIZED HOLLOW SILICA PARTICLES AND COMPOSITES
#773Method for carbon nanotube composite structure
#774Prepreg sheet
#775Prepreg, metal-clad laminate and printed wiring board
#776Halogen-free resin composition and prepreg and laminate prepared therefrom
#777Composite structure having nanoparticles for performance enhancement
#778Active ester curing agent compound for thermosetting resins, flame retardant composition comprising same, and articles made therefrom
#779Prepreg and method for manufacturing same
#780Resin composition and article made therefrom
#781Epoxy resin composition, prepreg for fiber-reinforced composite material, and fiber-reinforced composite material
#782System for producing a fully impregnated thermoplastic prepreg
#783Composite material comprising bio-filler and specific polymer
#784POLYPHENYLENE ETHER RESIN COMPOSITION, PREPREG, METAL-CLAD LAMINATE, AND PRINTED WIRING BOARD
#785Resin Composition, Prepreg, Metal-Clad Laminate, and Printed Circuit Board Using the Same
#786MODIFIED CELLULOSE FINE FIBERS AND METHOD FOR PRODUCING THE SAME
#787Resin composition for FRP, FRP sheet and molded product
#788Polyarylether ketone imide adhesives
#789Method for producing a composite conductive material and composite material obtained in this way
#790Carbon fiber dome and manufacturing method for same
#791Carbon Fiber Dome
#792CARBON FIBER DOME AND METHOD FOR MANUFACTURING THE SAME
#793DECORATIVE MULTI-LAYER SURFACE COVERING COMPRISING POLYVINYL BUTYRAL
#794Flexible phase change material composite for thermal management systems
#795CURABLE COMPOSITION, CURED PRODUCT, PREPREG AND FIBER-REINFORCED MOLDED PRODUCT
#796Incised prepreg, cross-ply laminate, and production method for incised prepreg
#797Prepreg tape and use thereof
#798FAST CURE EPOXY COMPOSITION FOR USE IN HIGH THROUGHPUT MANUFACTURING PROCESSES
#7990 DEGREE UNIDIRECTIONAL YARN PREPREG, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING MULTIAXIAL PREPREG COMPOSITE MATERIAL USING SAME
#800Prepreg with variable cure rate resin composition
#801Prepreg, method for its production and fiber-reinforced molded product
#802Prepreg, method for its production, and fiber-reinforced molded product
#803Prepreg, metal-clad laminated plate, wiring board, and method for measuring thermal stress of wiring board material
#804Polyimide resin composition and varnish produced from terminal-modified imide oligomer prepared using 2-phenyl-4,4′-diaminodiphenyl ether and thermoplastic aromatic polyimide prepared using oxydiphthalic acid, polyimide resin composition molded article and prepreg having excellent heat resistance and mechanical characteristic, and fiber-reinforced composite material thereof
#805Process for the preparation of a flame-retardant modified styrene-maleic anhydride resin and a composition of epoxy resins and their application to copper clad laminate and prepreg
#806Method for manufacturing fiber-reinforced resin composite, fiber-reinforced resin composite and molded product
#807Modified amine curing agents, their preparation and use in curable compositions
#808Nanocomposites containing spherical pyrogenic silica nanoparticles and composites, articles, and methods of making same
#809Tow prepreg, composite material-reinforced pressure vessel, and method of producing composite material-reinforced pressure vessel
#810Epoxy resin composition, epoxy resin cured product, prepreg and fiber-reinforced composite material
#811Fiber-reinforced resin, process for producing same, and molded article
#812Cyanate resin blends and radomes including them
#813Composite materials with structural and fire retardant capabilities
#814High Tg epoxy formulation with good thermal properties
#815Epoxy resin composition, prepreg, and fiber reinforced material
#816Composite ion exchange membrane and method of making same
#817Semi-crystalline polyamide composition with high glass transition temperature for composite material, process for manufacturing same and uses thereof
#818Method for manufacturing fiber-reinforced resin molding material, and device for manufacturing fiber-reinforced resin molding material
#819Epoxy resin composition, prepreg, and carbon fiber reinforced composite material
#820Resin supply material, preform, and method of producing fiber-reinforced resin
#821EPOXY RESIN COMPOSITIONS AND FIBER-REINFORCED COMPOSITE MATERIALS PREPARED THEREFROM
#822RESIN COMPOSITE AND METHOD FOR PRODUCING RESIN COMPOSITE
#823Prepregs and production of composite material using prepregs
#824Frontal polymerization for fiber-reinforced composites
#825Fiber-reinforced resin composite material and method for producing same
#826Use of inorganic particles to produce a barrier layer on aircraft components
#827Formulation methodology for distortional thermosets
#828System for producing a fully impregnated thermoplastic prepreg
#829EPOXY RESIN COMPOSITION FOR COPPER CLAD LAMINATE, AND APPLICATION OF EPOXY RESIN COMPOSITION
#830Graphene-augmented composite materials
#831Polyphenyl ether resin composition and use thereof in high-frequency circuit substrate
#832PRODUCTION METHOD FOR FIBER REINFORCED RESIN SHEET MATERIAL
#833Resin composition, and prepreg, metal-clad laminate, and printed circuit board using the same
#834Prepreg and fiber-reinforced composite material
#835Fluorinated vinyl polymer resin composition, prepreg and laminate materials containing the same
#836EPOXY RESIN COMPOSITION FOR COPPER CLAD LAMINATE, AND APPLICATION OF EPOXY RESIN COMPOSITION
#837EPOXY RESIN COMPOSITION FOR COPPER CLAD LAMINATE, AND APPLICATION OF EPOXY RESIN COMPOSITION
#838Blended potting resins and use thereof
#839Resin composition, prepreg, metal foil-clad laminate, and printed circuit board
#840Resin composition and prepreg, resin sheet, laminate, and printed circuit board
#841METHODS OF MANUFACTURE OF PREPREGS AND COMPOSITES FROM POLYIMIDE PARTICLES, AND ARTICLES PREPARED THEREFROM
#842Resin composition, prepreg, metal foil-clad laminate, and printed circuit board
#843Curable benzoxazine compositions
#844Method for manufacturing fiber-reinforced composite material
#845Resin composition, prepreg, resin sheet, metal foil-clad laminate, and printed circuit board
#846Resin composition and prepreg, resin sheet, laminate, and printed circuit board comprising same
#847Resin composition, prepreg or resin sheet comprising the resin composition, and laminate and printed circuit board comprising them
#848Resin composition, prepreg or resin sheet comprising the resin composition, and laminate and printed circuit board comprising them
#849Article of thermosetting epoxy resin composition and carbon fibre fabric, and reinforced structural component made therewith
#850CURABLE COMPOSITION, PREPREG, METAL FOIL WITH COMPOSITION, METAL-CLAD LAMINATE AND WIRING BOARD
#851Method for producing a fiber-reinforced plastic molded article
#852METHOD FOR PRODUCING PRINTED CIRCUIT BOARD, AND RESIN COMPOSITION
#853Thermosetting resin composition
#854Epoxy resin composition, thermally-conductive material precursor, B-stage sheet, prepreg, heat dissipation material, laminate, metal substrate, and printed circuit board
#855Manufacturing method and inspection method of tow prepreg
#856Latent epoxy resin formulations for liquid impregnation processes for production of fibre composite materials
#857Methods for making prepreg composite sheets including contoured charges
#858TAPE-SHAPED PREPREG AND FIBER-REINFORCED MOLDED OBJECT
#859Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
#860POLYMER RESINS WITH PHOSPHONATE OLIGOMERS
#861Composition and method to form a composite core material
#862Storage-stable one-component polyurethane prepregs and shaped bodies composed of polyurethane composition that have been produced therefrom
#863Resin composition, prepreg, resin sheet, metal foil-clad laminate, and printed circuit board
#864Epoxy resin composition, molded article, prepreg, fiber-reinforced composite material and structure
#865Glass fiber coatings for improved resistance to conductive anodic filament formation
#866Resin-impregnated boron nitride body and a method for producing a resin-impregnated boron nitride body
#867RESIN COMPOSITION, RESIN SHEET, PREPREG, INSULATOR, RESIN SHEET CURED PRODUCT, AND HEAT DISSIPATOR
#868Thermosetting resin composition for semiconductor package and prepreg using the same
#869METHOD FOR CURING CURABLE COMPOSITIONS
#870Biomedical electrode and wearable electrode
#871Sheet-molding compound and fiber-reinforced composite material
#872Electrical insulation systems and insulated components for electrical machine
#873COIL FOR ROTARY ELECTRICAL MACHINE, METHOD OF PRODUCING ROTARY ELECTRICAL MACHINE AND MICA TAPE
#874Resin composition, prepreg, laminate and multilayer printed wiring board
#875EPOXY RESIN COMPOSITION, PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL
#876FIBER-REINFORCED THERMOPLASTIC RESIN COMPOSITION
#877Thermosetting resin composition, prepreg, laminate and multilayer printed wiring board
#878Aqueous impregnation bath for reinforcement fibres and uses thereof
#879Method of producing carbon fibers and carbon fiber composites from plant derived lignin and its blends
#880Siloxane-modified cyclotriphosphazene halogen-free flame retardant, preparation process and use thereof
#881Insertion of catalyst into dry carbon fibers prior to resin impregnation
#882Kit for in vitro or ex vivo measurement of SCD127 expression in a biological sample
#883Process of debundling carbon fiber tow and molding compositions containing such fibers
#884Epoxy resin composition, prepreg, carbon fiber-reinforced composite material, and manufacturing methods therefor
#885Hardener and cure accelerant with flame retardancy effect for curing epoxy resins (II)
#886Cyanate ester compound, curable resin composition containing the compound, and hardened product thereof
#887Semipreg with thermoplastic toughened novolac-based epoxy resin matrix
#888RESIN COMPOSITION, PREPREG, RESIN SHEET, METAL FOIL-CLAD LAMINATE, AND PRINTED WIRING BOARD
#889THERMOSETTING RESIN COMPOSITION, METHOD FOR PRODUCING RESIN COMPOSITION VARNISH, PREPREG AND LAMINATE
#890GLASS CLOTH
#891Method for producing impregnated fiber structures
#892Fiber-reinforced composite articles and methods of making them
#893Resin composition, article of manufacture made therefrom and method of making the same
#894Resin composition suitable for rigid-flex board and use thereof
#895Method of manufacturing resin impregnated material, composite material and copper-clad laminate
#896Fiber-reinforced plastic molding material, method for producing same, and molded article
#897Laminate
#898CURING DEVICE FOR RESIN COMPOSITE MATERIAL, CURING METHOD, AND MOLDED RESIN ARTICLE
#899Method for in-site synthesis of transparent conductive coating of poly(3,4-ethylenedioxythiophene)/nano silver
#900Resin composition, copper clad laminate and printed circuit board using same