MAGNETIC DISC MEDIUM
PURPOSE:To enhance the strength of a coated film without damaging electric characteristics, the surface shape, the head floating capacity, etc. of a magnetic disc by using materials having a high thermal conductivity as a coated film reinforcing material. CONSTITUTION:A magnetic powder 4 and a coate...
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| creator | NAGAIKE SADAKUNI KAZAMA TOSHINORI IMAMURA MASAAKI TAKASAGO HIDEKAZU MIYAKE YOSHIHIKO |
| description | PURPOSE:To enhance the strength of a coated film without damaging electric characteristics, the surface shape, the head floating capacity, etc. of a magnetic disc by using materials having a high thermal conductivity as a coated film reinforcing material. CONSTITUTION:A magnetic powder 4 and a coated film reinforcing material 2 are mixed and dispersed in a thermosetting resin and are applied onto an aluminium substrate 3. Materials having a thermal conductivity >=0.01cal/cm.sec. deg.C are used as the coated film reinforcing material 2. When a magnetic head 1 collides with a magnetic coated film 5, it is heated by intensive friction to the coated film reinforcing material 2. Since the particle size of the reinforcing material 2 is larger than the thickness of the magnetic coated film 5, the reinforcing material 2 and the magnetic head 1 rub against each other, and generated heat is diffused easily because the thermal conductivity of materials used as the coated film reinforcing material 2 is high, and generated heat is diffused to the aluminium substrate 3 and is not stored in the coated film 5, and thus, thermal decomposition and vaporization of a lubricant and destruction of a binder are difficult, and destruction of the coated film 5 is delayed. |
| format | Patent |
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Since the particle size of the reinforcing material 2 is larger than the thickness of the magnetic coated film 5, the reinforcing material 2 and the magnetic head 1 rub against each other, and generated heat is diffused easily because the thermal conductivity of materials used as the coated film reinforcing material 2 is high, and generated heat is diffused to the aluminium substrate 3 and is not stored in the coated film 5, and thus, thermal decomposition and vaporization of a lubricant and destruction of a binder are difficult, and destruction of the coated film 5 is delayed.</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>1985</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=19850725&DB=EPODOC&CC=JP&NR=S60140536A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850725&DB=EPODOC&CC=JP&NR=S60140536A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NAGAIKE SADAKUNI</creatorcontrib><creatorcontrib>KAZAMA TOSHINORI</creatorcontrib><creatorcontrib>IMAMURA MASAAKI</creatorcontrib><creatorcontrib>TAKASAGO HIDEKAZU</creatorcontrib><creatorcontrib>MIYAKE YOSHIHIKO</creatorcontrib><title>MAGNETIC DISC MEDIUM</title><description>PURPOSE:To enhance the strength of a coated film without damaging electric characteristics, the surface shape, the head floating capacity, etc. of a magnetic disc by using materials having a high thermal conductivity as a coated film reinforcing material. 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Since the particle size of the reinforcing material 2 is larger than the thickness of the magnetic coated film 5, the reinforcing material 2 and the magnetic head 1 rub against each other, and generated heat is diffused easily because the thermal conductivity of materials used as the coated film reinforcing material 2 is high, and generated heat is diffused to the aluminium substrate 3 and is not stored in the coated film 5, and thus, thermal decomposition and vaporization of a lubricant and destruction of a binder are difficult, and destruction of the coated film 5 is delayed.</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>1985</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBDxdXT3cw3xdFZw8Qx2VvB1dfEM9eVhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfFeAcFmBoYmBqbGZo7GxKgBAG6qHrE</recordid><startdate>19850725</startdate><enddate>19850725</enddate><creator>NAGAIKE SADAKUNI</creator><creator>KAZAMA TOSHINORI</creator><creator>IMAMURA MASAAKI</creator><creator>TAKASAGO HIDEKAZU</creator><creator>MIYAKE YOSHIHIKO</creator><scope>EVB</scope></search><sort><creationdate>19850725</creationdate><title>MAGNETIC DISC MEDIUM</title><author>NAGAIKE SADAKUNI ; KAZAMA TOSHINORI ; IMAMURA MASAAKI ; TAKASAGO HIDEKAZU ; MIYAKE YOSHIHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS60140536A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1985</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>NAGAIKE SADAKUNI</creatorcontrib><creatorcontrib>KAZAMA TOSHINORI</creatorcontrib><creatorcontrib>IMAMURA MASAAKI</creatorcontrib><creatorcontrib>TAKASAGO HIDEKAZU</creatorcontrib><creatorcontrib>MIYAKE YOSHIHIKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NAGAIKE SADAKUNI</au><au>KAZAMA TOSHINORI</au><au>IMAMURA MASAAKI</au><au>TAKASAGO HIDEKAZU</au><au>MIYAKE YOSHIHIKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MAGNETIC DISC MEDIUM</title><date>1985-07-25</date><risdate>1985</risdate><abstract>PURPOSE:To enhance the strength of a coated film without damaging electric characteristics, the surface shape, the head floating capacity, etc. of a magnetic disc by using materials having a high thermal conductivity as a coated film reinforcing material. CONSTITUTION:A magnetic powder 4 and a coated film reinforcing material 2 are mixed and dispersed in a thermosetting resin and are applied onto an aluminium substrate 3. Materials having a thermal conductivity >=0.01cal/cm.sec. deg.C are used as the coated film reinforcing material 2. When a magnetic head 1 collides with a magnetic coated film 5, it is heated by intensive friction to the coated film reinforcing material 2. Since the particle size of the reinforcing material 2 is larger than the thickness of the magnetic coated film 5, the reinforcing material 2 and the magnetic head 1 rub against each other, and generated heat is diffused easily because the thermal conductivity of materials used as the coated film reinforcing material 2 is high, and generated heat is diffused to the aluminium substrate 3 and is not stored in the coated film 5, and thus, thermal decomposition and vaporization of a lubricant and destruction of a binder are difficult, and destruction of the coated film 5 is delayed.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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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 DISC MEDIUM |
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