Soft magnetic core having excellent high-current DC bias characteristics and core loss characteristics and method of manufacturing same

Provided are a soft magnetic core having an excellent high current DC biased characteristic and an excellent core loss characteristic and a manufacturing method thereof. The method includes the steps of: after classifying nanocrystalline grains obtained by grinding metal ribbons prepared by using a...

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Hauptverfasser:	Kim Mi Rae, Yoon Se Joong
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRICITY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INDUCTANCES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAGNETS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSFORMERS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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creator	Kim Mi Rae Yoon Se Joong
description	Provided are a soft magnetic core having an excellent high current DC biased characteristic and an excellent core loss characteristic and a manufacturing method thereof. The method includes the steps of: after classifying nanocrystalline grains obtained by grinding metal ribbons prepared by using a rapid solidification process (RSP), mixing alloy powders so that a particle size distribution is configured to have a particle size of 75˜100 μm with 10˜85 wt %, a particle size of 50˜75 μm with 10˜70 wt %, and a particle size 5˜50 μm with 5˜20 wt %, to thus prepare the soft magnetic cores by using nanocrystalline alloy powders having an excellent high current DC biased characteristic and an excellent core loss characteristic.
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The method includes the steps of: after classifying nanocrystalline grains obtained by grinding metal ribbons prepared by using a rapid solidification process (RSP), mixing alloy powders so that a particle size distribution is configured to have a particle size of 75˜100 μm with 10˜85 wt %, a particle size of 50˜75 μm with 10˜70 wt %, and a particle size 5˜50 μm with 5˜20 wt %, to thus prepare the soft magnetic cores by using nanocrystalline alloy powders having an excellent high current DC biased characteristic and an excellent core loss characteristic.</description><language>eng</language><subject>ALLOYS ; BASIC ELECTRIC ELEMENTS ; CASTING ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; ELECTRICITY ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; INDUCTANCES ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; MAGNETS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; PERFORMING OPERATIONS ; POWDER METALLURGY ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TRANSFORMERS ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WORKING METALLIC POWDER</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160913&DB=EPODOC&CC=US&NR=9443652B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160913&DB=EPODOC&CC=US&NR=9443652B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Kim Mi Rae</creatorcontrib><creatorcontrib>Yoon Se Joong</creatorcontrib><title>Soft magnetic core having excellent high-current DC bias characteristics and core loss characteristics and method of manufacturing same</title><description>Provided are a soft magnetic core having an excellent high current DC biased characteristic and an excellent core loss characteristic and a manufacturing method thereof. The method includes the steps of: after classifying nanocrystalline grains obtained by grinding metal ribbons prepared by using a rapid solidification process (RSP), mixing alloy powders so that a particle size distribution is configured to have a particle size of 75˜100 μm with 10˜85 wt %, a particle size of 50˜75 μm with 10˜70 wt %, and a particle size 5˜50 μm with 5˜20 wt %, to thus prepare the soft magnetic cores by using nanocrystalline alloy powders having an excellent high current DC biased characteristic and an excellent core loss characteristic.</description><subject>ALLOYS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CASTING</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>ELECTRICITY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>INDUCTANCES</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>MAGNETS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>MAKING METALLIC POWDER</subject><subject>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TRANSFORMERS</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WORKING METALLIC POWDER</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjrEOwjAQQ7swIOAf7ge6tAWJlQJiL8zVcb00kdKkyqWIP-C3SQUjA5Nl2dbzMns1XkUYsHccDQH5wKDxYVwP_CS2ll0EbXqd0xTCbI413A0KkMaAFDkYSUsBdN1nbr38TgeO2nfgVeK5SaV4CjNIcOB1tlBohTdfXWVwPl3rS86jb1lGJE4P21uzr6pyty0ORflH5Q32QUve</recordid><startdate>20160913</startdate><enddate>20160913</enddate><creator>Kim Mi Rae</creator><creator>Yoon Se Joong</creator><scope>EVB</scope></search><sort><creationdate>20160913</creationdate><title>Soft magnetic core having excellent high-current DC bias characteristics and core loss characteristics and method of manufacturing same</title><author>Kim Mi Rae ; Yoon Se Joong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9443652B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2016</creationdate><topic>ALLOYS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CASTING</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>ELECTRICITY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>INDUCTANCES</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>MAGNETS</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>MAKING METALLIC POWDER</topic><topic>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TRANSFORMERS</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WORKING METALLIC POWDER</topic><toplevel>online_resources</toplevel><creatorcontrib>Kim Mi Rae</creatorcontrib><creatorcontrib>Yoon Se Joong</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kim Mi Rae</au><au>Yoon Se Joong</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Soft magnetic core having excellent high-current DC bias characteristics and core loss characteristics and method of manufacturing same</title><date>2016-09-13</date><risdate>2016</risdate><abstract>Provided are a soft magnetic core having an excellent high current DC biased characteristic and an excellent core loss characteristic and a manufacturing method thereof. The method includes the steps of: after classifying nanocrystalline grains obtained by grinding metal ribbons prepared by using a rapid solidification process (RSP), mixing alloy powders so that a particle size distribution is configured to have a particle size of 75˜100 μm with 10˜85 wt %, a particle size of 50˜75 μm with 10˜70 wt %, and a particle size 5˜50 μm with 5˜20 wt %, to thus prepare the soft magnetic cores by using nanocrystalline alloy powders having an excellent high current DC biased characteristic and an excellent core loss characteristic.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ALLOYS BASIC ELECTRIC ELEMENTS CASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRICITY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INDUCTANCES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAGNETS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSFORMERS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
title	Soft magnetic core having excellent high-current DC bias characteristics and core loss characteristics and method of manufacturing same
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