DK509787D0 - Stift polymer-underlag til plader til magnetisk registrering og magnet-plader omfattende saadant underlag - Google Patents

Stift polymer-underlag til plader til magnetisk registrering og magnet-plader omfattende saadant underlag

Info

Publication number
DK509787D0
DK509787D0 DK509787A DK509787A DK509787D0 DK 509787 D0 DK509787 D0 DK 509787D0 DK 509787 A DK509787 A DK 509787A DK 509787 A DK509787 A DK 509787A DK 509787 D0 DK509787 D0 DK 509787D0
Authority
DK
Denmark
Prior art keywords
degrees
range
lying
mpa
polymer
Prior art date
Application number
DK509787A
Other languages
English (en)
Other versions
DK509787A (da
Inventor
Claude Bonnebat
Jean-Pierre Quentin
Alain Morin
Original Assignee
Rhone Poulenc Chimie
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
Application filed by Rhone Poulenc Chimie filed Critical Rhone Poulenc Chimie
Publication of DK509787D0 publication Critical patent/DK509787D0/da
Publication of DK509787A publication Critical patent/DK509787A/da

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
    • G11B5/62—Record carriers characterised by the selection of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • 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
    • G11B5/73937—Substrates having an organic polymer comprising a ring structure
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Laminated Bodies (AREA)
  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
DK509787A 1986-09-29 1987-09-28 Stift polymer-underlag til plader til magnetisk registrering og magnet-plader omfattende saadant underlag DK509787A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8613714A FR2604552A1 (fr) 1986-09-29 1986-09-29 Substrat polymere rigide utilisable comme support d'enregistrement magnetique et le disque magnetique obtenu a partir de ce substrat

Publications (2)

Publication Number Publication Date
DK509787D0 true DK509787D0 (da) 1987-09-28
DK509787A DK509787A (da) 1988-03-30

Family

ID=9339462

Family Applications (1)

Application Number Title Priority Date Filing Date
DK509787A DK509787A (da) 1986-09-29 1987-09-28 Stift polymer-underlag til plader til magnetisk registrering og magnet-plader omfattende saadant underlag

Country Status (13)

Country Link
US (1) US4987020A (da)
EP (1) EP0263043B1 (da)
JP (1) JPS6391823A (da)
KR (1) KR930004443B1 (da)
CN (1) CN1012328B (da)
AT (1) ATE57782T1 (da)
BR (1) BR8704984A (da)
DE (1) DE3765739D1 (da)
DK (1) DK509787A (da)
ES (1) ES2018293B3 (da)
FR (1) FR2604552A1 (da)
GR (1) GR3001262T3 (da)
PT (1) PT85803B (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69024883T2 (de) * 1989-03-31 1996-05-30 Nippon Petrochemicals Co Ltd Giessverfahren eines substrats für eine magnetische platte
JPH05320396A (ja) * 1991-01-31 1993-12-03 Unitika Ltd 軽量化ポリエステルフイルムおよびその製造方法
JPH0885868A (ja) * 1994-07-20 1996-04-02 Hitachi Ltd 磁気記録媒体及びその製造方法
US7179551B2 (en) 1999-02-12 2007-02-20 General Electric Company Poly(arylene ether) data storage media
AU2880100A (en) 1999-02-12 2000-08-29 General Electric Company Data storage media
EP1276578A1 (de) * 2000-04-27 2003-01-22 SMS Demag Aktiengesellschaft Kokillenwand, insbesondere breitseitenwand einer stranggiesskokille für stahl
CN100391620C (zh) * 2001-04-19 2008-06-04 通用电气公司 旋涂介质
CN108085653A (zh) * 2017-12-20 2018-05-29 李春田 一种铝合金表面处理方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4910245A (da) * 1972-05-26 1974-01-29
FR2438062A1 (fr) * 1978-10-05 1980-04-30 Rhone Poulenc Ind Procede d'obtention de copolyesters alcoylaromatiques
FR2438061A1 (fr) * 1978-10-05 1980-04-30 Rhone Poulenc Ind Copolyesters alcoylaromatiques thermotropes
FR2450267A1 (fr) * 1979-03-02 1980-09-26 Rhone Poulenc Ind Copolyesters aromatiques thermotropes et leurs procedes de preparation
US4355133A (en) * 1981-07-27 1982-10-19 Celanese Corporation Polyester of 6-hydroxy-2-naphthoic acid, 4-hydroxy benzoic acid, 1,4-cyclohexanedicarboxylic acid, and aromatic diol capable of readily undergoing melt processing to form articles possessing high impact properties
JPS60155424A (ja) * 1984-01-26 1985-08-15 Daicel Chem Ind Ltd 大径のポリカ−ボネ−ト製光デイスク基板およびその製造法
JPS60229220A (ja) * 1984-03-09 1985-11-14 Toshiba Corp 磁気記録媒体
JPS6141539A (ja) * 1984-08-06 1986-02-27 鐘淵化学工業株式会社 金属を積層した芳香族ポリエステル成型物
JPS6190343A (ja) * 1984-10-09 1986-05-08 Polyplastics Co 光ディスク
US4680211A (en) * 1985-07-25 1987-07-14 The Dow Chemical Company Recording disks

Also Published As

Publication number Publication date
KR930004443B1 (ko) 1993-05-27
PT85803A (fr) 1987-10-01
DK509787A (da) 1988-03-30
DE3765739D1 (de) 1990-11-29
EP0263043A1 (fr) 1988-04-06
FR2604552A1 (fr) 1988-04-01
EP0263043B1 (fr) 1990-10-24
CN87106605A (zh) 1988-04-06
ES2018293B3 (es) 1991-04-01
CN1012328B (zh) 1991-04-10
GR3001262T3 (en) 1992-08-25
BR8704984A (pt) 1988-05-17
JPS6391823A (ja) 1988-04-22
PT85803B (pt) 1990-08-31
US4987020A (en) 1991-01-22
ATE57782T1 (de) 1990-11-15
KR880004440A (ko) 1988-06-07

Similar Documents

Publication Publication Date Title
KR880004448A (ko) 광학 디스크용 강성 중합체기판 및 이 기판으로 부터 제조되는 광학 디스크
EG20313A (en) Process for preparing low density porous crosslinked polymeric materials
DK509787A (da) Stift polymer-underlag til plader til magnetisk registrering og magnet-plader omfattende saadant underlag
CA2046225A1 (en) Segmented absorbable copolymer
FR2402526A1 (fr) Dispositif et procede de moulage de matieres plastiques expansees, par rayonnement ultra-haute frequence
EP0270831A3 (en) Polymerisable solvent-free hot melt having a very low or no monomer content, process for its preparation and use
ATE100621T1 (de) Formspritzvorrichtung fuer die herstellung eines substrats einer optischen platte.
DE69126212D1 (de) Polyurethan-polymere mit hohem elastizitätsmodul sowie diese polymere verwendende reaktionsspritzguss-verfahren
ATE171892T1 (de) Spritzgiessform
Takeichi et al. Readily processable imide oligomers containing perfluoroisopropylidene connecting units and reactive acetylenic and biphenylene groups: synthesis, curing, and thermal properties
ES2080731T3 (es) Procedimiento para la produccion de articulos moldeados a base de una poli(eter-amida) aromatica elaborable en condiciones termoplasticas.
GR3002812T3 (en) Seal for the manufacture of polymeric plates by casting
CA2270617A1 (en) Injection moldable polyimide resin composition and a method of producing its molded articles
KR910018454A (ko) 플라스틱 주형의 내부 라이닝용 필름의 제조방법 및 라이닝된 주형의 용도
Momoki New Developments in High Quality Plastics
Laramee Thermal and Related Properties of Engineering Thermosets
ES2018762A4 (es) Procedimiento de reaccion de fundicion a presion para polimeros fluidos conteniendo mercaptos terminales
TW376518B (en) Preparation of a recording carrier
Yamamoto et al. Curing of epoxy resin with phosphazene derivatives
FR2591528B1 (fr) Procede de fabrication par moulage d'objets en matiere synthetique
Marais Fabrication and Characterization of a Polyethylene/Polyethylene Composite
Cassidy et al. Copoly (Imidine-Amides).(Retroactive Coverage)
Avery Computerized Analysis: It's for Molders Too
Utsuno et al. A study on residual stress generation during curing process in a thermosetting resin
D'Oria High Pressure Injection Moulding

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment