MAGNETIC RECORDING MEDIUM
PURPOSE:To obtain very excellent dispersibility by employing magnetic powder surface-treated with Al and Zr compounds having organic groups. CONSTITUTION:Magnetic powder is surface-treated with Al or Zr compound having organic groups, thereby obtaining the magnetic powder to which Al or Zr compound...
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| creator | YAEGASHI MITSUO ISHIZAWA AKIO ITOU TAKEO |
| description | PURPOSE:To obtain very excellent dispersibility by employing magnetic powder surface-treated with Al and Zr compounds having organic groups. CONSTITUTION:Magnetic powder is surface-treated with Al or Zr compound having organic groups, thereby obtaining the magnetic powder to which Al or Zr compound adheres. It is preferable to employ hexagonal ferrite powder represented by the general formula AFe12O19, where A represents at least one element selected from the group consisting of Ba, Sr, Ca and Pb, as the magnetic powder. The magnetic powder thus obtained has very excellent dispersibility and excellent wear resistance due to rigid adherence to the resin component. Further, this powder has strong adherence to a base and is difficult to peel off from the base. |
| format | Patent |
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CONSTITUTION:Magnetic powder is surface-treated with Al or Zr compound having organic groups, thereby obtaining the magnetic powder to which Al or Zr compound adheres. It is preferable to employ hexagonal ferrite powder represented by the general formula AFe12O19, where A represents at least one element selected from the group consisting of Ba, Sr, Ca and Pb, as the magnetic powder. The magnetic powder thus obtained has very excellent dispersibility and excellent wear resistance due to rigid adherence to the resin component. Further, this powder has strong adherence to a base and is difficult to peel off from the base.</description><language>eng</language><subject>ADHESIVES ; BASIC ELECTRIC ELEMENTS ; CHEMICAL PAINT OR INK REMOVERS ; CHEMISTRY ; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS ; CORRECTING FLUIDS ; DYES ; ELECTRICITY ; FILLING PASTES ; INDUCTANCES ; INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; INKS ; MAGNETS ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; PASTES OR SOLIDS FOR COLOURING OR PRINTING ; PHYSICS ; POLISHES ; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ; TRANSFORMERS ; USE OF MATERIALS THEREFOR ; WOODSTAINS</subject><creationdate>1982</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=19821206&DB=EPODOC&CC=JP&NR=S57198606A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19821206&DB=EPODOC&CC=JP&NR=S57198606A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAEGASHI MITSUO</creatorcontrib><creatorcontrib>ISHIZAWA AKIO</creatorcontrib><creatorcontrib>ITOU TAKEO</creatorcontrib><title>MAGNETIC RECORDING MEDIUM</title><description>PURPOSE:To obtain very excellent dispersibility by employing magnetic powder surface-treated with Al and Zr compounds having organic groups. CONSTITUTION:Magnetic powder is surface-treated with Al or Zr compound having organic groups, thereby obtaining the magnetic powder to which Al or Zr compound adheres. It is preferable to employ hexagonal ferrite powder represented by the general formula AFe12O19, where A represents at least one element selected from the group consisting of Ba, Sr, Ca and Pb, as the magnetic powder. The magnetic powder thus obtained has very excellent dispersibility and excellent wear resistance due to rigid adherence to the resin component. Further, this powder has strong adherence to a base and is difficult to peel off from the base.</description><subject>ADHESIVES</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMICAL PAINT OR INK REMOVERS</subject><subject>CHEMISTRY</subject><subject>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</subject><subject>CORRECTING FLUIDS</subject><subject>DYES</subject><subject>ELECTRICITY</subject><subject>FILLING PASTES</subject><subject>INDUCTANCES</subject><subject>INFORMATION STORAGE</subject><subject>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</subject><subject>INKS</subject><subject>MAGNETS</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>PASTES OR SOLIDS FOR COLOURING OR PRINTING</subject><subject>PHYSICS</subject><subject>POLISHES</subject><subject>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</subject><subject>TRANSFORMERS</subject><subject>USE OF MATERIALS THEREFOR</subject><subject>WOODSTAINS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1982</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD0dXT3cw3xdFYIcnX2D3Lx9HNX8HV18Qz15WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BwabmhpYWZgZmjsbEqAEAF4ogUg</recordid><startdate>19821206</startdate><enddate>19821206</enddate><creator>YAEGASHI MITSUO</creator><creator>ISHIZAWA AKIO</creator><creator>ITOU TAKEO</creator><scope>EVB</scope></search><sort><creationdate>19821206</creationdate><title>MAGNETIC RECORDING MEDIUM</title><author>YAEGASHI MITSUO ; ISHIZAWA AKIO ; ITOU TAKEO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS57198606A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1982</creationdate><topic>ADHESIVES</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMICAL PAINT OR INK REMOVERS</topic><topic>CHEMISTRY</topic><topic>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</topic><topic>CORRECTING FLUIDS</topic><topic>DYES</topic><topic>ELECTRICITY</topic><topic>FILLING PASTES</topic><topic>INDUCTANCES</topic><topic>INFORMATION STORAGE</topic><topic>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</topic><topic>INKS</topic><topic>MAGNETS</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>PASTES OR SOLIDS FOR COLOURING OR PRINTING</topic><topic>PHYSICS</topic><topic>POLISHES</topic><topic>SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES</topic><topic>TRANSFORMERS</topic><topic>USE OF MATERIALS THEREFOR</topic><topic>WOODSTAINS</topic><toplevel>online_resources</toplevel><creatorcontrib>YAEGASHI MITSUO</creatorcontrib><creatorcontrib>ISHIZAWA AKIO</creatorcontrib><creatorcontrib>ITOU TAKEO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAEGASHI MITSUO</au><au>ISHIZAWA AKIO</au><au>ITOU TAKEO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MAGNETIC RECORDING MEDIUM</title><date>1982-12-06</date><risdate>1982</risdate><abstract>PURPOSE:To obtain very excellent dispersibility by employing magnetic powder surface-treated with Al and Zr compounds having organic groups. CONSTITUTION:Magnetic powder is surface-treated with Al or Zr compound having organic groups, thereby obtaining the magnetic powder to which Al or Zr compound adheres. It is preferable to employ hexagonal ferrite powder represented by the general formula AFe12O19, where A represents at least one element selected from the group consisting of Ba, Sr, Ca and Pb, as the magnetic powder. The magnetic powder thus obtained has very excellent dispersibility and excellent wear resistance due to rigid adherence to the resin component. Further, this powder has strong adherence to a base and is difficult to peel off from the base.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ADHESIVES BASIC ELECTRIC ELEMENTS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTRICITY FILLING PASTES INDUCTANCES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INKS MAGNETS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS USE OF MATERIALS THEREFOR WOODSTAINS |
| title | MAGNETIC RECORDING MEDIUM |
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