JPH0559487B2 - - Google Patents
Info
- Publication number
- JPH0559487B2 JPH0559487B2 JP60031603A JP3160385A JPH0559487B2 JP H0559487 B2 JPH0559487 B2 JP H0559487B2 JP 60031603 A JP60031603 A JP 60031603A JP 3160385 A JP3160385 A JP 3160385A JP H0559487 B2 JPH0559487 B2 JP H0559487B2
- Authority
- JP
- Japan
- Prior art keywords
- disk
- magnetic
- magnetic disk
- substrate
- heat treatment
- 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 - Fee Related
Links
- 230000005291 magnetic effect Effects 0.000 claims description 59
- 239000000758 substrate Substances 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 230000009477 glass transition Effects 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000004697 Polyetherimide Substances 0.000 description 2
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920001601 polyetherimide Polymers 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005606 hygroscopic expansion Effects 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003847 radiation curing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000007738 vacuum evaporation Methods 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60031603A JPS61192029A (ja) | 1985-02-21 | 1985-02-21 | 磁気デイスクの製造方法 |
US06/831,731 US4704179A (en) | 1985-02-21 | 1986-02-21 | Process for producing magnetic discs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60031603A JPS61192029A (ja) | 1985-02-21 | 1985-02-21 | 磁気デイスクの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61192029A JPS61192029A (ja) | 1986-08-26 |
JPH0559487B2 true JPH0559487B2 (US07202987-20070410-C00007.png) | 1993-08-31 |
Family
ID=12335774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60031603A Granted JPS61192029A (ja) | 1985-02-21 | 1985-02-21 | 磁気デイスクの製造方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4704179A (US07202987-20070410-C00007.png) |
JP (1) | JPS61192029A (US07202987-20070410-C00007.png) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4952435A (en) * | 1985-10-03 | 1990-08-28 | Fuji Photo Film Co., Ltd. | Adhesive for a base-mounted flexible magnetic disc |
US4887178A (en) * | 1988-06-13 | 1989-12-12 | Minnesota Mining And Manufacturing Company | Aligned stretched surface recording medium |
JPH0262721A (ja) * | 1988-08-30 | 1990-03-02 | Furukawa Alum Co Ltd | 磁気シート張付け用金属ディスク基板の製法 |
JPH0316020A (ja) * | 1989-03-29 | 1991-01-24 | Fuji Photo Film Co Ltd | シート状記録媒体の製造方法 |
JPH03178033A (ja) * | 1989-12-06 | 1991-08-02 | Fuji Photo Film Co Ltd | 磁気ディスク |
US5628861A (en) * | 1995-01-25 | 1997-05-13 | Abb Power T&D Company Inc. | Method for adhesively bonded laminate for use in an electrical apparatus such as a transformer, generator, or motor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3373413A (en) * | 1963-10-30 | 1968-03-12 | Ibm | Pliable magnetic recording disk with direct transducer contact |
US3537083A (en) * | 1968-11-27 | 1970-10-27 | Univ Illinois | Flexible surface disc for magnetic recorders with central pneumatic orifice |
US4365257A (en) * | 1981-03-05 | 1982-12-21 | Minnesota Mining And Manufacturing Company | Stretched-film optical recording disc |
-
1985
- 1985-02-21 JP JP60031603A patent/JPS61192029A/ja active Granted
-
1986
- 1986-02-21 US US06/831,731 patent/US4704179A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS61192029A (ja) | 1986-08-26 |
US4704179A (en) | 1987-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |