MAGNETIC RECORDING TAPE
PURPOSE:To improve corrosion resistance without increasing an effective gap, by forming a corrosion resistant magnetic metallic layer on a metallic magnetic recording layer. CONSTITUTION:On a tape base material of a plastic film, etc., a coating film obtained by applying a thin film of a magnetic me...
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| creator | SADA GAKUO IIJIMA KENZABUROU |
| description | PURPOSE:To improve corrosion resistance without increasing an effective gap, by forming a corrosion resistant magnetic metallic layer on a metallic magnetic recording layer. CONSTITUTION:On a tape base material of a plastic film, etc., a coating film obtained by applying a thin film of a magnetic metal such as a Co-Ni alloy, a Co-Ni-Fe alloy, an Fe-Co-Cr alloy, etc., or magnetic metallic powder such as Fe powder, etc. together with a binder is formed as a metallic magnetic recording layer. Subsequently, on said layer, a magnetic metallic layer is formed which is excellent in corrosion resistance, has a residual density almost as same as a metallic magnetic substance of the metallic magnetic recording layer, and has an antimagnetic force as same as or less than said layer, and also is small in magnetic permeability, such as Ni, a Pt-Co alloy, a Pt-Fe alloy, an Au-Fe alloy, an Au-Fe-Co alloy, etc. In this way, a metallic magnetic tape having corrosion resistance and weather resistance is obtained without increasing an effective gap. |
| format | Patent |
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CONSTITUTION:On a tape base material of a plastic film, etc., a coating film obtained by applying a thin film of a magnetic metal such as a Co-Ni alloy, a Co-Ni-Fe alloy, an Fe-Co-Cr alloy, etc., or magnetic metallic powder such as Fe powder, etc. together with a binder is formed as a metallic magnetic recording layer. Subsequently, on said layer, a magnetic metallic layer is formed which is excellent in corrosion resistance, has a residual density almost as same as a metallic magnetic substance of the metallic magnetic recording layer, and has an antimagnetic force as same as or less than said layer, and also is small in magnetic permeability, such as Ni, a Pt-Co alloy, a Pt-Fe alloy, an Au-Fe alloy, an Au-Fe-Co alloy, etc. In this way, a metallic magnetic tape having corrosion resistance and weather resistance is obtained without increasing an effective gap.</description><language>eng</language><subject>ADHESIVES ; CHEMICAL PAINT OR INK REMOVERS ; CHEMISTRY ; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS ; CORRECTING FLUIDS ; DYES ; FILLING PASTES ; INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; INKS ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; PASTES OR SOLIDS FOR COLOURING OR PRINTING ; PHYSICS ; POLISHES ; 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=19821217&DB=EPODOC&CC=JP&NR=S57205821A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19821217&DB=EPODOC&CC=JP&NR=S57205821A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SADA GAKUO</creatorcontrib><creatorcontrib>IIJIMA KENZABUROU</creatorcontrib><title>MAGNETIC RECORDING TAPE</title><description>PURPOSE:To improve corrosion resistance without increasing an effective gap, by forming a corrosion resistant magnetic metallic layer on a metallic magnetic recording layer. CONSTITUTION:On a tape base material of a plastic film, etc., a coating film obtained by applying a thin film of a magnetic metal such as a Co-Ni alloy, a Co-Ni-Fe alloy, an Fe-Co-Cr alloy, etc., or magnetic metallic powder such as Fe powder, etc. together with a binder is formed as a metallic magnetic recording layer. Subsequently, on said layer, a magnetic metallic layer is formed which is excellent in corrosion resistance, has a residual density almost as same as a metallic magnetic substance of the metallic magnetic recording layer, and has an antimagnetic force as same as or less than said layer, and also is small in magnetic permeability, such as Ni, a Pt-Co alloy, a Pt-Fe alloy, an Au-Fe alloy, an Au-Fe-Co alloy, etc. In this way, a metallic magnetic tape having corrosion resistance and weather resistance is obtained without increasing an effective gap.</description><subject>ADHESIVES</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>FILLING PASTES</subject><subject>INFORMATION STORAGE</subject><subject>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</subject><subject>INKS</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>USE OF MATERIALS THEREFOR</subject><subject>WOODSTAINS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1982</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD3dXT3cw3xdFYIcnX2D3Lx9HNXCHEMcOVhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfFeAcGm5kYGphZGho7GxKgBANLWH6E</recordid><startdate>19821217</startdate><enddate>19821217</enddate><creator>SADA GAKUO</creator><creator>IIJIMA KENZABUROU</creator><scope>EVB</scope></search><sort><creationdate>19821217</creationdate><title>MAGNETIC RECORDING TAPE</title><author>SADA GAKUO ; IIJIMA KENZABUROU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS57205821A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1982</creationdate><topic>ADHESIVES</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>FILLING PASTES</topic><topic>INFORMATION STORAGE</topic><topic>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</topic><topic>INKS</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>USE OF MATERIALS THEREFOR</topic><topic>WOODSTAINS</topic><toplevel>online_resources</toplevel><creatorcontrib>SADA GAKUO</creatorcontrib><creatorcontrib>IIJIMA KENZABUROU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SADA GAKUO</au><au>IIJIMA KENZABUROU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MAGNETIC RECORDING TAPE</title><date>1982-12-17</date><risdate>1982</risdate><abstract>PURPOSE:To improve corrosion resistance without increasing an effective gap, by forming a corrosion resistant magnetic metallic layer on a metallic magnetic recording layer. CONSTITUTION:On a tape base material of a plastic film, etc., a coating film obtained by applying a thin film of a magnetic metal such as a Co-Ni alloy, a Co-Ni-Fe alloy, an Fe-Co-Cr alloy, etc., or magnetic metallic powder such as Fe powder, etc. together with a binder is formed as a metallic magnetic recording layer. Subsequently, on said layer, a magnetic metallic layer is formed which is excellent in corrosion resistance, has a residual density almost as same as a metallic magnetic substance of the metallic magnetic recording layer, and has an antimagnetic force as same as or less than said layer, and also is small in magnetic permeability, such as Ni, a Pt-Co alloy, a Pt-Fe alloy, an Au-Fe alloy, an Au-Fe-Co alloy, etc. In this way, a metallic magnetic tape having corrosion resistance and weather resistance is obtained without increasing an effective gap.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES USE OF MATERIALS THEREFOR WOODSTAINS |
| title | MAGNETIC RECORDING TAPE |
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