JPS6262433A - 磁気記録媒体の製造方法 - Google Patents
磁気記録媒体の製造方法Info
- Publication number
- JPS6262433A JPS6262433A JP60202794A JP20279485A JPS6262433A JP S6262433 A JPS6262433 A JP S6262433A JP 60202794 A JP60202794 A JP 60202794A JP 20279485 A JP20279485 A JP 20279485A JP S6262433 A JPS6262433 A JP S6262433A
- Authority
- JP
- Japan
- Prior art keywords
- film
- magnetic
- polyester film
- tension
- recording medium
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229920006267 polyester film Polymers 0.000 claims abstract description 26
- 238000007740 vapor deposition Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000000151 deposition Methods 0.000 claims abstract description 5
- 239000010409 thin film Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 14
- 230000005294 ferromagnetic effect Effects 0.000 abstract description 13
- 229910052751 metal Inorganic materials 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 11
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 229910017061 Fe Co Inorganic materials 0.000 abstract description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 abstract description 2
- 229910018104 Ni-P Inorganic materials 0.000 abstract description 2
- 229910018536 Ni—P Inorganic materials 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 15
- 239000010410 layer Substances 0.000 description 15
- -1 i or Fe-Co Chemical class 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 4
- 229910018487 Ni—Cr Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- UOBYKYZJUGYBDK-UHFFFAOYSA-N 2-naphthoic acid Chemical compound C1=CC=CC2=CC(C(=O)O)=CC=C21 UOBYKYZJUGYBDK-UHFFFAOYSA-N 0.000 description 1
- 229910002441 CoNi Inorganic materials 0.000 description 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 229910020676 Co—N Inorganic materials 0.000 description 1
- 229910020707 Co—Pt Inorganic materials 0.000 description 1
- 229910020514 Co—Y Inorganic materials 0.000 description 1
- 229910002549 Fe–Cu Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910018657 Mn—Al Inorganic materials 0.000 description 1
- 229910018054 Ni-Cu Inorganic materials 0.000 description 1
- 229910018481 Ni—Cu Inorganic materials 0.000 description 1
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 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
- G11B5/85—Coating a support with a magnetic layer by vapour deposition
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60202794A JPS6262433A (ja) | 1985-09-13 | 1985-09-13 | 磁気記録媒体の製造方法 |
| US06/906,008 US4661421A (en) | 1985-09-13 | 1986-09-11 | Method for preparing a magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60202794A JPS6262433A (ja) | 1985-09-13 | 1985-09-13 | 磁気記録媒体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6262433A true JPS6262433A (ja) | 1987-03-19 |
| JPH0576703B2 JPH0576703B2 (en]) | 1993-10-25 |
Family
ID=16463296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60202794A Granted JPS6262433A (ja) | 1985-09-13 | 1985-09-13 | 磁気記録媒体の製造方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4661421A (en]) |
| JP (1) | JPS6262433A (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816495A (ja) * | 1981-07-22 | 1983-01-31 | 高周波熱錬株式会社 | 加熱面の測温可能な誘導子 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04241226A (ja) * | 1991-01-09 | 1992-08-28 | Fuji Photo Film Co Ltd | 磁気記録媒体の製造方法 |
| EP1162227B1 (en) * | 1999-12-28 | 2008-06-18 | Teijin Limited | Polyester film roll |
| JP2002150545A (ja) * | 2000-09-25 | 2002-05-24 | Imation Corp | 張力下の磁気テープの熱処理 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158027A (ja) * | 1982-03-16 | 1983-09-20 | Fuji Photo Film Co Ltd | 磁気記録媒体の製造方法 |
| JPS5924449A (ja) * | 1982-08-02 | 1984-02-08 | Olympus Optical Co Ltd | 磁気記録フイルムの製造方法 |
-
1985
- 1985-09-13 JP JP60202794A patent/JPS6262433A/ja active Granted
-
1986
- 1986-09-11 US US06/906,008 patent/US4661421A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816495A (ja) * | 1981-07-22 | 1983-01-31 | 高周波熱錬株式会社 | 加熱面の測温可能な誘導子 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0576703B2 (en]) | 1993-10-25 |
| US4661421A (en) | 1987-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |