DK100086A - Substrat til en skiveformet informationsbaerer samt fremgangsmaade og apparat til fremstilling af samme - Google Patents

Substrat til en skiveformet informationsbaerer samt fremgangsmaade og apparat til fremstilling af samme Download PDF

Info

Publication number
DK100086A
DK100086A DK100086A DK100086A DK100086A DK 100086 A DK100086 A DK 100086A DK 100086 A DK100086 A DK 100086A DK 100086 A DK100086 A DK 100086A DK 100086 A DK100086 A DK 100086A
Authority
DK
Denmark
Prior art keywords
preparing
disk
procedure
substrate
same
Prior art date
Application number
DK100086A
Other languages
English (en)
Other versions
DK100086D0 (da
Inventor
Thomas U Coe
Original Assignee
Falcore 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
Application filed by Falcore Co Ltd filed Critical Falcore Co Ltd
Publication of DK100086A publication Critical patent/DK100086A/da
Publication of DK100086D0 publication Critical patent/DK100086D0/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/005—Producing optically read record carriers, e.g. optical discs
    • B29D17/007—Forming the relief pattern on a support larger than the record
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
    • 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
    • G11B5/82—Disk carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DK100086A 1984-07-06 1986-03-05 Substrat til en skiveformet informationsbaerer samt fremgangsmaade ogapparat til fremstilling af samme DK100086D0 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62817784A 1984-07-06 1984-07-06
PCT/US1985/001182 WO1986000741A1 (en) 1984-07-06 1985-06-19 Improved substrate for rigid disk storage media and method and apparatus for making the same

Publications (2)

Publication Number Publication Date
DK100086A true DK100086A (da) 1986-03-05
DK100086D0 DK100086D0 (da) 1986-03-05

Family

ID=24517799

Family Applications (1)

Application Number Title Priority Date Filing Date
DK100086A DK100086D0 (da) 1984-07-06 1986-03-05 Substrat til en skiveformet informationsbaerer samt fremgangsmaade ogapparat til fremstilling af samme

Country Status (7)

Country Link
EP (1) EP0188523A4 (da)
JP (1) JPS61502787A (da)
KR (1) KR860700307A (da)
AU (1) AU4540485A (da)
CA (1) CA1254300A (da)
DK (1) DK100086D0 (da)
WO (1) WO1986000741A1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629045A1 (de) * 1986-08-27 1988-03-10 Keil D J Kg Handhabungs- und foerdereinrichtung fuer compact-disk-rohlinge o.dgl.
DE4127341C2 (de) * 1991-08-19 2000-03-09 Leybold Ag Vorrichtung zum selbsttätigen Gießen, Beschichten, Lackieren, Prüfen und Sortieren von Werkstücken
DE19741833A1 (de) * 1997-09-23 1999-03-25 Reiner Glaess Vorrichtung zum Anfasen der Umfangskante einer CD
US6401510B1 (en) 1999-04-07 2002-06-11 3M Innovative Properties Company Method for stamping a part from a multi-layered strip
KR100626626B1 (ko) * 1999-04-07 2006-09-22 쓰리엠 이노베이티브 프로퍼티즈 캄파니 다층 스트립으로부터 제품을 스탬핑 가공하기 위한 방법 및 장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB667826A (en) * 1950-03-15 1952-03-05 Link Belt Co Method of increasing the fatigue strength of chain links
FR1353896A (fr) * 1962-04-19 1964-02-28 Ncr Co Procédé de fabrication de dispositifs magnétiques de mémoire
GB1348780A (en) * 1969-12-29 1974-03-20 Fuji Photo Film Co Ltd Method of making a magnetic disc
US3886052A (en) * 1970-07-20 1975-05-27 Digital Equipment Corp Method of making a magnetic recording disc
US3761333A (en) * 1971-05-21 1973-09-25 Ibm Method of and apparatus for manufacturing of a magnetic storage disk
US3797035A (en) * 1972-06-23 1974-03-12 Ibm Recording media orientation
US4029541A (en) * 1974-07-05 1977-06-14 Ampex Corporation Magnetic recording disc of improved durability having tin-nickel undercoating
US4030138A (en) * 1975-07-18 1977-06-14 Rca Corporation Record protection system
JPS5255603A (en) * 1975-10-31 1977-05-07 Nec Corp Magnetic memory element and production of same
JPS5671821A (en) * 1979-11-14 1981-06-15 Hitachi Ltd Substrate for magnetic disc and its manufacture
JPS60140B2 (ja) * 1980-01-28 1985-01-05 株式会社神戸製鋼所 磁気デイスク用Ａｌ基合金板の製造法
US4374795A (en) * 1980-09-11 1983-02-22 Bell Telephone Laboratories, Incorporated Production of mold charge of elastomeric material containing magnetic oxide filler
US4525759A (en) * 1984-04-02 1985-06-25 Shipley Company Inc. Aluminum storage disc

Also Published As

Publication number Publication date
AU4540485A (en) 1986-02-10
DK100086D0 (da) 1986-03-05
CA1254300A (en) 1989-05-16
EP0188523A1 (en) 1986-07-30
WO1986000741A1 (en) 1986-01-30
EP0188523A4 (en) 1987-08-24
JPS61502787A (ja) 1986-11-27
KR860700307A (ko) 1986-08-01

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