MAGNETIC RECORDING MEDIUM

PURPOSE:To obtain the titled recording medium having excellent rust resistance, etc. by vapor-depositing a magnetic metallic material on the surface of a moving substrate in the form of a bent inclined column while changing the incident angle continuously from a high to a low incident angle, and vap...

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Hauptverfasser: SHIRAHATA RIYUUJI, ARAI YOSHIHIRO
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creator SHIRAHATA RIYUUJI
ARAI YOSHIHIRO
description PURPOSE:To obtain the titled recording medium having excellent rust resistance, etc. by vapor-depositing a magnetic metallic material on the surface of a moving substrate in the form of a bent inclined column while changing the incident angle continuously from a high to a low incident angle, and vapor-depositing a nonmagnetic material on said vapor-deposited film while changing the incident angle continuously from a high to a low incident angle. CONSTITUTION:A metal such as Fe, Co, Ni, or an alloy of said metals is vapor-deposited from a crucible 23 on a nonmagnetic strip-shaped substrate 21 of polyester, etc. to form an inclined columnar magnetic layer 2 on the substrate 1(21) while transporting the substrate 21 along a cooling can 22 in the direction as shown by the arrow A, changing the incident angle continuously from a high incident angle such as 90 deg. to a low incident angle of 25 deg., and controlling the vapor flow with deposition preventive plates 27 and 28. Then >=1 kind of nonmagnetic metallic material selected from Cr, Ti, Sn, Cu, and Al from a crucible 25 is vapor-deposited on the layer 2 to form a film 3 while reversely winding and transporting the substrate 21 in the direction as shown by the arrow B and again transporting the substrate in the direction as shown by the arrow A, and changing the vapor flow continuously from a high to a low incident angle with deposition preventive plates 28 and 29. The magnetic recording medium having excellent rust resistance and less curls is obtained in this way.
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CONSTITUTION:A metal such as Fe, Co, Ni, or an alloy of said metals is vapor-deposited from a crucible 23 on a nonmagnetic strip-shaped substrate 21 of polyester, etc. to form an inclined columnar magnetic layer 2 on the substrate 1(21) while transporting the substrate 21 along a cooling can 22 in the direction as shown by the arrow A, changing the incident angle continuously from a high incident angle such as 90 deg. to a low incident angle of 25 deg., and controlling the vapor flow with deposition preventive plates 27 and 28. Then &gt;=1 kind of nonmagnetic metallic material selected from Cr, Ti, Sn, Cu, and Al from a crucible 25 is vapor-deposited on the layer 2 to form a film 3 while reversely winding and transporting the substrate 21 in the direction as shown by the arrow B and again transporting the substrate in the direction as shown by the arrow A, and changing the vapor flow continuously from a high to a low incident angle with deposition preventive plates 28 and 29. The magnetic recording medium having excellent rust resistance and less curls is obtained in this way.</description><language>eng</language><subject>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 ; INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; PHYSICS ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</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&amp;date=19851108&amp;DB=EPODOC&amp;CC=JP&amp;NR=S60224124A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19851108&amp;DB=EPODOC&amp;CC=JP&amp;NR=S60224124A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHIRAHATA RIYUUJI</creatorcontrib><creatorcontrib>ARAI YOSHIHIRO</creatorcontrib><title>MAGNETIC RECORDING MEDIUM</title><description>PURPOSE:To obtain the titled recording medium having excellent rust resistance, etc. by vapor-depositing a magnetic metallic material on the surface of a moving substrate in the form of a bent inclined column while changing the incident angle continuously from a high to a low incident angle, and vapor-depositing a nonmagnetic material on said vapor-deposited film while changing the incident angle continuously from a high to a low incident angle. CONSTITUTION:A metal such as Fe, Co, Ni, or an alloy of said metals is vapor-deposited from a crucible 23 on a nonmagnetic strip-shaped substrate 21 of polyester, etc. to form an inclined columnar magnetic layer 2 on the substrate 1(21) while transporting the substrate 21 along a cooling can 22 in the direction as shown by the arrow A, changing the incident angle continuously from a high incident angle such as 90 deg. to a low incident angle of 25 deg., and controlling the vapor flow with deposition preventive plates 27 and 28. Then &gt;=1 kind of nonmagnetic metallic material selected from Cr, Ti, Sn, Cu, and Al from a crucible 25 is vapor-deposited on the layer 2 to form a film 3 while reversely winding and transporting the substrate 21 in the direction as shown by the arrow B and again transporting the substrate in the direction as shown by the arrow A, and changing the vapor flow continuously from a high to a low incident angle with deposition preventive plates 28 and 29. 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CONSTITUTION:A metal such as Fe, Co, Ni, or an alloy of said metals is vapor-deposited from a crucible 23 on a nonmagnetic strip-shaped substrate 21 of polyester, etc. to form an inclined columnar magnetic layer 2 on the substrate 1(21) while transporting the substrate 21 along a cooling can 22 in the direction as shown by the arrow A, changing the incident angle continuously from a high incident angle such as 90 deg. to a low incident angle of 25 deg., and controlling the vapor flow with deposition preventive plates 27 and 28. Then &gt;=1 kind of nonmagnetic metallic material selected from Cr, Ti, Sn, Cu, and Al from a crucible 25 is vapor-deposited on the layer 2 to form a film 3 while reversely winding and transporting the substrate 21 in the direction as shown by the arrow B and again transporting the substrate in the direction as shown by the arrow A, and changing the vapor flow continuously from a high to a low incident angle with deposition preventive plates 28 and 29. The magnetic recording medium having excellent rust resistance and less curls is obtained in this way.</abstract><oa>free_for_read</oa></addata></record>
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subjects 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
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
METALLURGY
PHYSICS
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
title MAGNETIC RECORDING MEDIUM
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