MAGNETIC FIELD SHIELDING SHEET FOR DIGITIZER, METHOD FOR MANUFACTURING SAME, AND PORTABLE TERMINAL DEVICE USING SAME
Provided are a magnetic field shielding sheet for a digitizer, which shields an effect of a magnetic field generated from various components of a main body of the portable terminal device and at the same time improves the sensitivity of a digitizer function when the digitizer function is implemented...
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| creator | LEE, Dong Hoon LEE, Byoung Ki JANG, Kil Jae |
| description | Provided are a magnetic field shielding sheet for a digitizer, which shields an effect of a magnetic field generated from various components of a main body of the portable terminal device and at the same time improves the sensitivity of a digitizer function when the digitizer function is implemented in the portable terminal device, while minimizing an influence upon a geomagnetic sensor, a method of manufacturing the magnetic field shielding sheet, and a portable terminal device using the magnetic field shielding sheet. The magnetic field shielding sheet includes: at least one layer thin magnetic sheet made of a Fe-based amorphous alloy and flake-treated so as to be separated into a plurality of fine pieces; a protective film that is adhered on one surface of the thin magnetic sheet via a first adhesive layer provided on one side of the protective film; and a double-sided tape that is adhered on the other surface of the thin magnetic sheet via a second adhesive layer provided on one side of the double-sided adhesive tape, wherein the thin magnetic sheet is obtained by heat treating an amorphous ribbon sheet made of the Fe-based amorphous alloy at a temperature of 300°C to 480°C. |
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The magnetic field shielding sheet includes: at least one layer thin magnetic sheet made of a Fe-based amorphous alloy and flake-treated so as to be separated into a plurality of fine pieces; a protective film that is adhered on one surface of the thin magnetic sheet via a first adhesive layer provided on one side of the protective film; and a double-sided tape that is adhered on the other surface of the thin magnetic sheet via a second adhesive layer provided on one side of the double-sided adhesive tape, wherein the thin magnetic sheet is obtained by heat treating an amorphous ribbon sheet made of the Fe-based amorphous alloy at a temperature of 300°C to 480°C.</description><language>eng ; fre ; ger</language><subject>ANTENNAS, i.e. RADIO AERIALS ; BASIC ELECTRIC ELEMENTS ; CALCULATING ; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ; CHEMISTRY ; COMPUTING ; COUNTING ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRIC DIGITAL DATA PROCESSING ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; INDUCTANCES ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; MAGNETS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; PERFORMING OPERATIONS ; PHYSICS ; PRINTED CIRCUITS ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; TRANSFORMERS ; TRANSMISSION ; TRANSPORTING</subject><creationdate>2023</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=20230412&DB=EPODOC&CC=EP&NR=2858470B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230412&DB=EPODOC&CC=EP&NR=2858470B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEE, Dong Hoon</creatorcontrib><creatorcontrib>LEE, Byoung Ki</creatorcontrib><creatorcontrib>JANG, Kil Jae</creatorcontrib><title>MAGNETIC FIELD SHIELDING SHEET FOR DIGITIZER, METHOD FOR MANUFACTURING SAME, AND PORTABLE TERMINAL DEVICE USING SAME</title><description>Provided are a magnetic field shielding sheet for a digitizer, which shields an effect of a magnetic field generated from various components of a main body of the portable terminal device and at the same time improves the sensitivity of a digitizer function when the digitizer function is implemented in the portable terminal device, while minimizing an influence upon a geomagnetic sensor, a method of manufacturing the magnetic field shielding sheet, and a portable terminal device using the magnetic field shielding sheet. The magnetic field shielding sheet includes: at least one layer thin magnetic sheet made of a Fe-based amorphous alloy and flake-treated so as to be separated into a plurality of fine pieces; a protective film that is adhered on one surface of the thin magnetic sheet via a first adhesive layer provided on one side of the protective film; and a double-sided tape that is adhered on the other surface of the thin magnetic sheet via a second adhesive layer provided on one side of the double-sided adhesive tape, wherein the thin magnetic sheet is obtained by heat treating an amorphous ribbon sheet made of the Fe-based amorphous alloy at a temperature of 300°C to 480°C.</description><subject>ANTENNAS, i.e. RADIO AERIALS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CALCULATING</subject><subject>CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS</subject><subject>CHEMISTRY</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>INDUCTANCES</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>MAGNETS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>PRINTED CIRCUITS</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</subject><subject>TRANSFORMERS</subject><subject>TRANSMISSION</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNys0KgkAUhmE3LaK6h3MBBv2S2-PMGT3gjDIeW7QRiWkVJej9U0ntW70fH888Gi1mjoQVGKZCQ51_wi57LyIBU3rQnLHwhXwMliQv9fRadI1BJY2fNFqKAZ2GqvSCaUEg5C07LEDTmRVBU__gMprduvsQVt8uIjAkKl-H_tmGoe-u4RHGlqpdckwOp0263f9BXgMbOBU</recordid><startdate>20230412</startdate><enddate>20230412</enddate><creator>LEE, Dong Hoon</creator><creator>LEE, Byoung Ki</creator><creator>JANG, Kil Jae</creator><scope>EVB</scope></search><sort><creationdate>20230412</creationdate><title>MAGNETIC FIELD SHIELDING SHEET FOR DIGITIZER, METHOD FOR MANUFACTURING SAME, AND PORTABLE TERMINAL DEVICE USING SAME</title><author>LEE, Dong Hoon ; 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The magnetic field shielding sheet includes: at least one layer thin magnetic sheet made of a Fe-based amorphous alloy and flake-treated so as to be separated into a plurality of fine pieces; a protective film that is adhered on one surface of the thin magnetic sheet via a first adhesive layer provided on one side of the protective film; and a double-sided tape that is adhered on the other surface of the thin magnetic sheet via a second adhesive layer provided on one side of the double-sided adhesive tape, wherein the thin magnetic sheet is obtained by heat treating an amorphous ribbon sheet made of the Fe-based amorphous alloy at a temperature of 300°C to 480°C.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
| recordid | cdi_epo_espacenet_EP2858470B1 |
| source | esp@cenet |
| subjects | ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS CALCULATING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INDUCTANCES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAGNETS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PHYSICS PRINTED CIRCUITS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSMISSION TRANSPORTING |
| title | MAGNETIC FIELD SHIELDING SHEET FOR DIGITIZER, METHOD FOR MANUFACTURING SAME, AND PORTABLE TERMINAL DEVICE USING SAME |
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