JPS6470918A - Magnetic card - Google Patents

Magnetic card

Info

Publication number
JPS6470918A
JPS6470918A JP62227200A JP22720087A JPS6470918A JP S6470918 A JPS6470918 A JP S6470918A JP 62227200 A JP62227200 A JP 62227200A JP 22720087 A JP22720087 A JP 22720087A JP S6470918 A JPS6470918 A JP S6470918A
Authority
JP
Japan
Prior art keywords
magnetic layer
apparent density
hiding degree
contg
mechanical strength
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
Application number
JP62227200A
Other languages
English (en)
Other versions
JPH0827934B2 (ja
Inventor
Satoshi Otonari
Yoshiki Sato
Narihiro Masuda
Kazuyuki Akatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Diafoil Co Ltd
Original Assignee
Diafoil Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16857063&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS6470918(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Diafoil Co Ltd filed Critical Diafoil Co Ltd
Priority to JP62227200A priority Critical patent/JPH0827934B2/ja
Priority to DE3854317T priority patent/DE3854317T2/de
Priority to EP88114707A priority patent/EP0306960B1/en
Priority to US07/242,332 priority patent/US4973515A/en
Priority to KR1019880011696A priority patent/KR960005450B1/ko
Publication of JPS6470918A publication Critical patent/JPS6470918A/ja
Publication of JPH0827934B2 publication Critical patent/JPH0827934B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/80—Card carriers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
JP62227200A 1987-09-10 1987-09-10 磁気カード Expired - Lifetime JPH0827934B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP62227200A JPH0827934B2 (ja) 1987-09-10 1987-09-10 磁気カード
DE3854317T DE3854317T2 (de) 1987-09-10 1988-09-08 Magnetische Karte.
EP88114707A EP0306960B1 (en) 1987-09-10 1988-09-08 Magnetic card
US07/242,332 US4973515A (en) 1987-09-10 1988-09-09 Magnetic card
KR1019880011696A KR960005450B1 (ko) 1987-09-10 1988-09-09 자기 카드

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62227200A JPH0827934B2 (ja) 1987-09-10 1987-09-10 磁気カード

Publications (2)

Publication Number Publication Date
JPS6470918A true JPS6470918A (en) 1989-03-16
JPH0827934B2 JPH0827934B2 (ja) 1996-03-21

Family

ID=16857063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62227200A Expired - Lifetime JPH0827934B2 (ja) 1987-09-10 1987-09-10 磁気カード

Country Status (5)

Country Link
US (1) US4973515A (ja)
EP (1) EP0306960B1 (ja)
JP (1) JPH0827934B2 (ja)
KR (1) KR960005450B1 (ja)
DE (1) DE3854317T2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0376648A (ja) * 1989-08-21 1991-04-02 Teijin Ltd 磁気カード用ポリエステルフイルム

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2638000B1 (fr) * 1988-10-18 1990-12-14 Kodak Pathe Carte a memoire magnetique a grande capacite et procede de fabrication
US5279578A (en) * 1991-03-04 1994-01-18 Cooke Thomas H Medical needle with sheath and fixed holder enabling single-handed use
US6096431A (en) * 1994-07-25 2000-08-01 Toppan Printing Co., Ltd. Biodegradable cards
US6216384B1 (en) * 1995-05-04 2001-04-17 The Clorox Company Insect bait station
JPH09156267A (ja) * 1995-12-06 1997-06-17 Watada Insatsu Kk プラスチックカード
KR100995514B1 (ko) * 2007-12-21 2010-11-19 (주)엘지하우시스 기록용 원단 및 그 제조방법
US8485447B1 (en) 2010-11-24 2013-07-16 Pap Investments, Ltd. Thin gage open loop system cards and method of manufacture

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4814657B1 (ja) * 1970-05-26 1973-05-09
JPS5414320B2 (ja) * 1972-07-25 1979-06-06
GB1479719A (en) 1973-07-02 1977-07-13 Gen Electric Foamable polyester compositions
JPS5612226B2 (ja) * 1973-07-17 1981-03-19
JPS5134963A (ja) 1974-09-20 1976-03-25 Asahi Chemical Ind Hatsuhoseiseikeibutsu
JPS5243871A (en) 1975-10-06 1977-04-06 Teijin Ltd Process for manufacturing polyester foam
JPS5227666A (en) 1976-04-23 1977-03-02 Citizen Watch Co Ltd Digital indicating timepiece of all electronic type
JPS5746456A (en) 1980-09-03 1982-03-16 Hitachi Ltd Ion injector
JPS5850625A (ja) 1981-09-18 1983-03-25 Akai Electric Co Ltd 回転ヘッド型磁気録画再生装置
FR2549076B1 (fr) * 1983-07-13 1986-10-10 Rhone Poulenc Films Films en polyester charges et bi-etires et utilisation de ces films pour la fabrication notamment de bandes magnetiques
DE3673565D1 (de) * 1985-05-29 1990-09-27 Teijin Ltd Polyesterfilm fuer magnetische aufzeichnungstraeger.
JPS62245520A (ja) * 1986-04-16 1987-10-26 Diafoil Co Ltd 磁気記録媒体
JPS63168441A (ja) 1986-12-27 1988-07-12 Diafoil Co Ltd 微細気泡含有ポリエステルフイルム
JPH0717777B2 (ja) * 1987-02-05 1995-03-01 ダイアホイルヘキスト株式会社 微細気泡含有ポリエステルフイルム
US4857396A (en) * 1987-02-05 1989-08-15 Daifoil Company, Ltd. Minute-cellular polyester film provided with coating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0376648A (ja) * 1989-08-21 1991-04-02 Teijin Ltd 磁気カード用ポリエステルフイルム

Also Published As

Publication number Publication date
KR960005450B1 (ko) 1996-04-25
EP0306960B1 (en) 1995-08-16
JPH0827934B2 (ja) 1996-03-21
DE3854317T2 (de) 1996-04-04
EP0306960A2 (en) 1989-03-15
EP0306960A3 (en) 1990-08-29
KR890005665A (ko) 1989-05-16
DE3854317D1 (de) 1995-09-21
US4973515A (en) 1990-11-27

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