Achieving electromagnetic interference shielding protection by deposition of highly conductive compositions

Provided herein are highly conductive compositions (having a volume resistivity no greater than 1×10−3 Ohms·cm) using silver flake, powder or suspension in solvent for electromagnetic interference (EMI) applications. This high conductivity will allow the use of very thin films for EMI shielding prot...

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Hauptverfasser: Zhuo, Qizhuo, Cao, Xinpei, Gao, Junbo, Castaneda, Glenda
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creator Zhuo, Qizhuo
Cao, Xinpei
Gao, Junbo
Castaneda, Glenda
description Provided herein are highly conductive compositions (having a volume resistivity no greater than 1×10−3 Ohms·cm) using silver flake, powder or suspension in solvent for electromagnetic interference (EMI) applications. This high conductivity will allow the use of very thin films for EMI shielding protection, which in turn will be helpful to reduce package sizes. In some embodiments, the coating composition is applied on the device surface by suitable means, e.g., by an electrostatic spray process, air spray process, ultrasonic spray process, spin coating process, or the like.
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This high conductivity will allow the use of very thin films for EMI shielding protection, which in turn will be helpful to reduce package sizes. 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This high conductivity will allow the use of very thin films for EMI shielding protection, which in turn will be helpful to reduce package sizes. 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subjects ADHESIVES
BASIC ELECTRIC ELEMENTS
CABLES
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CONDUCTORS
CORRECTING FLUIDS
DYES
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
FILLING PASTES
INKS
INSULATORS
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
POLISHES
PRINTED CIRCUITS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF MATERIALS THEREFOR
WOODSTAINS
title Achieving electromagnetic interference shielding protection by deposition of highly conductive compositions
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