JPH0237605B2 - - Google Patents
Info
- Publication number
- JPH0237605B2 JPH0237605B2 JP56045187A JP4518781A JPH0237605B2 JP H0237605 B2 JPH0237605 B2 JP H0237605B2 JP 56045187 A JP56045187 A JP 56045187A JP 4518781 A JP4518781 A JP 4518781A JP H0237605 B2 JPH0237605 B2 JP H0237605B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- protective film
- magnetic memory
- manufacturing
- metal
- Prior art date
- 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 - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims description 31
- 239000002184 metal Substances 0.000 claims description 31
- 230000007797 corrosion Effects 0.000 claims description 27
- 238000005260 corrosion Methods 0.000 claims description 27
- 230000001681 protective effect Effects 0.000 claims description 26
- 239000003112 inhibitor Substances 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 229920006395 saturated elastomer Polymers 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical group NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 150000003377 silicon compounds Chemical class 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 1
- 229910018104 Ni-P Inorganic materials 0.000 claims 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims 1
- 229910018536 Ni—P Inorganic materials 0.000 claims 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 1
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 claims 1
- 150000003512 tertiary amines Chemical class 0.000 claims 1
- 239000010408 film Substances 0.000 description 25
- 229910001096 P alloy Inorganic materials 0.000 description 10
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 10
- 150000002739 metals Chemical class 0.000 description 8
- ZFAKTZXUUNBLEB-UHFFFAOYSA-N dicyclohexylazanium;nitrite Chemical compound [O-]N=O.C1CCCCC1[NH2+]C1CCCCC1 ZFAKTZXUUNBLEB-UHFFFAOYSA-N 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- IGOJDKCIHXGPTI-UHFFFAOYSA-N [P].[Co].[Ni] Chemical compound [P].[Co].[Ni] IGOJDKCIHXGPTI-UHFFFAOYSA-N 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- 229910001004 magnetic alloy Inorganic materials 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- -1 these Chemical class 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XBPCUCUWBYBCDP-UHFFFAOYSA-N Dicyclohexylamine Chemical compound C1CCCCC1NC1CCCCC1 XBPCUCUWBYBCDP-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- NJBCRXCAPCODGX-UHFFFAOYSA-N 2-methyl-n-(2-methylpropyl)propan-1-amine Chemical compound CC(C)CNCC(C)C NJBCRXCAPCODGX-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229940043279 diisopropylamine Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- BODHJGMCSWVAGR-UHFFFAOYSA-N n,n-diethylethanamine;nitrous acid Chemical class [O-]N=O.CC[NH+](CC)CC BODHJGMCSWVAGR-UHFFFAOYSA-N 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- JCEGTTQAEKSHFE-UHFFFAOYSA-N nitrous acid;propan-2-amine Chemical compound [O-]N=O.CC(C)[NH3+] JCEGTTQAEKSHFE-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/722—Protective coatings, e.g. anti-static or antifriction containing an anticorrosive material
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56045187A JPS57162132A (en) | 1981-03-27 | 1981-03-27 | Manufacture of magnetic storage body |
| DE3210866A DE3210866C2 (de) | 1981-03-24 | 1982-03-24 | Magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56045187A JPS57162132A (en) | 1981-03-27 | 1981-03-27 | Manufacture of magnetic storage body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57162132A JPS57162132A (en) | 1982-10-05 |
| JPH0237605B2 true JPH0237605B2 (enrdf_load_stackoverflow) | 1990-08-27 |
Family
ID=12712261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56045187A Granted JPS57162132A (en) | 1981-03-24 | 1981-03-27 | Manufacture of magnetic storage body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57162132A (enrdf_load_stackoverflow) |
-
1981
- 1981-03-27 JP JP56045187A patent/JPS57162132A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57162132A (en) | 1982-10-05 |
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