JPH0451335B2 - - Google Patents
Info
- Publication number
- JPH0451335B2 JPH0451335B2 JP58077387A JP7738783A JPH0451335B2 JP H0451335 B2 JPH0451335 B2 JP H0451335B2 JP 58077387 A JP58077387 A JP 58077387A JP 7738783 A JP7738783 A JP 7738783A JP H0451335 B2 JPH0451335 B2 JP H0451335B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- tape
- stretched
- value
- minutes
- 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
- -1 polyethylene terephthalate Polymers 0.000 claims description 12
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 10
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 10
- 230000003746 surface roughness Effects 0.000 claims description 10
- 229920006267 polyester film Polymers 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 13
- 230000035945 sensitivity Effects 0.000 description 8
- 239000005995 Aluminium silicate Substances 0.000 description 6
- 235000012211 aluminium silicate Nutrition 0.000 description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 241000030538 Thecla Species 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000000020 Nitrocellulose Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical group ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding 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
- G11B5/62—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
-
- 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
- G11B5/73929—Polyester substrates, e.g. polyethylene terephthalate comprising naphthalene ring compounds, e.g. polyethylene naphthalate substrates
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58077387A JPS59203230A (ja) | 1983-05-04 | 1983-05-04 | 二軸配向ポリエステルフイルム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58077387A JPS59203230A (ja) | 1983-05-04 | 1983-05-04 | 二軸配向ポリエステルフイルム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59203230A JPS59203230A (ja) | 1984-11-17 |
| JPH0451335B2 true JPH0451335B2 (nl) | 1992-08-18 |
Family
ID=13632475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58077387A Granted JPS59203230A (ja) | 1983-05-04 | 1983-05-04 | 二軸配向ポリエステルフイルム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59203230A (nl) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60150232A (ja) * | 1984-01-17 | 1985-08-07 | Sumitomo Chem Co Ltd | 垂直磁化用ナフタレ−トポリエステルフイルム |
| JPH0628098B2 (ja) * | 1985-07-23 | 1994-04-13 | 帝人株式会社 | 磁気記録用テ−プ |
| JPH0680525B2 (ja) * | 1985-07-30 | 1994-10-12 | 帝人株式会社 | 磁気記録テ−プ |
| JPH0618069B2 (ja) * | 1985-10-14 | 1994-03-09 | 帝人株式会社 | オ−デイオカセツト用テ−プ |
| JPH0668825B2 (ja) * | 1985-10-29 | 1994-08-31 | 帝人株式会社 | 磁気記録テ−プ |
| JPS62109216A (ja) * | 1985-11-07 | 1987-05-20 | Teijin Ltd | 垂直磁気記録用媒体 |
| JPS62219317A (ja) * | 1986-03-20 | 1987-09-26 | Sony Corp | 金属薄膜型磁気記録媒体 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106783A (en) * | 1977-03-01 | 1978-09-18 | Teijin Ltd | Polyester film with improved travelling property |
| JPS5415978A (en) * | 1977-06-28 | 1979-02-06 | Teijin Ltd | Polyester film |
-
1983
- 1983-05-04 JP JP58077387A patent/JPS59203230A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106783A (en) * | 1977-03-01 | 1978-09-18 | Teijin Ltd | Polyester film with improved travelling property |
| JPS5415978A (en) * | 1977-06-28 | 1979-02-06 | Teijin Ltd | Polyester film |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59203230A (ja) | 1984-11-17 |
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