JPS6252362B2 - - Google Patents

Info

Publication number

JPS6252362B2

JPS6252362B2 JP58138163A JP13816383A JPS6252362B2 JP S6252362 B2 JPS6252362 B2 JP S6252362B2 JP 58138163 A JP58138163 A JP 58138163A JP 13816383 A JP13816383 A JP 13816383A JP S6252362 B2 JPS6252362 B2 JP S6252362B2

Authority

JP

Japan

Prior art keywords

layer

magnetic material

magnetic recording

soft magnetic

protective layer

Prior art date

1983-07-28

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

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• 239000010410 layer Substances 0.000 claims description 59
• 239000000696 magnetic material Substances 0.000 claims description 39
• 230000005291 magnetic effect Effects 0.000 claims description 34
• 239000011241 protective layer Substances 0.000 claims description 23
• 239000000463 material Substances 0.000 claims description 9
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
• 229910052782 aluminium Inorganic materials 0.000 claims description 8
• 229910000838 Al alloy Inorganic materials 0.000 claims description 6
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
• 229910000889 permalloy Inorganic materials 0.000 claims description 4
• 239000011148 porous material Substances 0.000 claims description 4
• 239000011651 chromium Substances 0.000 claims description 3
• 229910052742 iron Inorganic materials 0.000 claims description 3
• 229920003023 plastic Polymers 0.000 claims description 3
• 239000004033 plastic Substances 0.000 claims description 3
• 238000007747 plating Methods 0.000 claims description 3
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
• VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
• 229910000599 Cr alloy Inorganic materials 0.000 claims description 2
• 229910052799 carbon Inorganic materials 0.000 claims description 2
• 229910052804 chromium Inorganic materials 0.000 claims description 2
• 239000000788 chromium alloy Substances 0.000 claims description 2
• 229920000728 polyester Polymers 0.000 claims description 2
• 239000000203 mixture Substances 0.000 claims 2
• 239000000843 powder Substances 0.000 claims 2
• 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 claims 1
• JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 claims 1
• 229920000515 polycarbonate Polymers 0.000 claims 1
• 239000004417 polycarbonate Substances 0.000 claims 1
• 229910000702 sendust Inorganic materials 0.000 claims 1
• 238000000034 method Methods 0.000 description 8
• 238000004544 sputter deposition Methods 0.000 description 6
• PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
• 238000002048 anodisation reaction Methods 0.000 description 4
• 229910045601 alloy Inorganic materials 0.000 description 3
• 239000000956 alloy Substances 0.000 description 3
• 239000010407 anodic oxide Substances 0.000 description 3
• 229910052759 nickel Inorganic materials 0.000 description 3
• 230000035945 sensitivity Effects 0.000 description 3
• NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
• 239000000654 additive Substances 0.000 description 2
• 238000000151 deposition Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
• 230000003647 oxidation Effects 0.000 description 2
• 238000007254 oxidation reaction Methods 0.000 description 2
• -1 polyethylene Polymers 0.000 description 2
• 238000007740 vapor deposition Methods 0.000 description 2
• 239000004698 Polyethylene Substances 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 230000000996 additive effect Effects 0.000 description 1
• 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
• 238000007743 anodising Methods 0.000 description 1
• 230000008021 deposition Effects 0.000 description 1
• 239000002355 dual-layer Substances 0.000 description 1
• 230000005611 electricity Effects 0.000 description 1
• 230000005415 magnetization Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 238000002844 melting Methods 0.000 description 1
• 230000008018 melting Effects 0.000 description 1
• 239000011259 mixed solution Substances 0.000 description 1
• LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1
• 229920005989 resin Polymers 0.000 description 1
• 239000011347 resin Substances 0.000 description 1
• 239000000243 solution Substances 0.000 description 1
• 239000010935 stainless steel Substances 0.000 description 1
• 229910001220 stainless steel Inorganic materials 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1

Cited By (2)