JPS4815009B1 - - Google Patents

Info

Publication number
JPS4815009B1
JPS4815009B1 JP44094243A JP9424369A JPS4815009B1 JP S4815009 B1 JPS4815009 B1 JP S4815009B1 JP 44094243 A JP44094243 A JP 44094243A JP 9424369 A JP9424369 A JP 9424369A JP S4815009 B1 JPS4815009 B1 JP S4815009B1
Authority
JP
Japan
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.)
Pending
Application number
JP44094243A
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 filed Critical
Priority to JP44094243A priority Critical patent/JPS4815009B1/ja
Priority to US91747A priority patent/US3681225A/en
Publication of JPS4815009B1 publication Critical patent/JPS4815009B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/06—Thin magnetic films, e.g. of one-domain structure characterised by the coupling or physical contact with connecting or interacting conductors
    • 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
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • 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
    • Y10S205/00—Electrolysis: processes, compositions used therein, and methods of preparing the compositions
    • Y10S205/917—Treatment of workpiece between coating steps
    • 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
    • Y10S205/00—Electrolysis: processes, compositions used therein, and methods of preparing the compositions
    • Y10S205/922—Electrolytic coating of magnetic storage medium, other than selected area coating
    • 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
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/934—Electrical process
    • Y10S428/935—Electroplating
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12944—Ni-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12993—Surface feature [e.g., rough, mirror]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP44094243A 1969-11-26 1969-11-26 Pending JPS4815009B1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP44094243A JPS4815009B1 (ja) 1969-11-26 1969-11-26
US91747A US3681225A (en) 1969-11-26 1970-11-23 Method of making a magnetic disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44094243A JPS4815009B1 (ja) 1969-11-26 1969-11-26

Publications (1)

Publication Number Publication Date
JPS4815009B1 true JPS4815009B1 (ja) 1973-05-11

Family

ID=14104851

Family Applications (1)

Application Number Title Priority Date Filing Date
JP44094243A Pending JPS4815009B1 (ja) 1969-11-26 1969-11-26

Country Status (2)

Country Link
US (1) US3681225A (ja)
JP (1) JPS4815009B1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01180467U (ja) * 1988-06-07 1989-12-26

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2255028A1 (de) * 1972-11-10 1974-06-12 Basf Ag Verfahren zur herstellung von magnetischen aufzeichnungsplatten
US4029541A (en) * 1974-07-05 1977-06-14 Ampex Corporation Magnetic recording disc of improved durability having tin-nickel undercoating
DE2451276C2 (de) * 1974-10-29 1982-12-30 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung starrer magnetischer Aufzeichnungsträger
US4254189A (en) * 1979-07-05 1981-03-03 Memorex Corporation Disc having substrate, intermediate layer and magnetically sensitive layer wherein intermediate layer has melting point less than annealing temperature of substrate but higher than processing temperature of magnetically sensitive layer
US4407871A (en) * 1980-03-25 1983-10-04 Ex-Cell-O Corporation Vacuum metallized dielectric substrates and method of making same
US4431711A (en) * 1980-03-25 1984-02-14 Ex-Cell-O Corporation Vacuum metallizing a dielectric substrate with indium and products thereof
USRE32193E (en) * 1980-12-19 1986-06-24 International Business Machines Corporation Composite magnetic recording disk
US4376963A (en) * 1980-12-19 1983-03-15 International Business Machines Corporation Composite magnetic recording disk
JPS5924958A (ja) * 1982-07-27 1984-02-08 Sumitomo Special Metals Co Ltd 薄膜磁気ヘッド用基板の製造方法
JPS6022785A (ja) * 1983-07-18 1985-02-05 Fuji Photo Film Co Ltd フレキシブル磁気デイスク
JPS6025074A (ja) * 1983-07-21 1985-02-07 Fuji Photo Film Co Ltd フレキシブル磁気デイスク
JPS6080132A (ja) * 1983-10-07 1985-05-08 Fuji Photo Film Co Ltd フレキシブル磁気デイスク保護層の形成方法
JPS60111340A (ja) * 1983-11-21 1985-06-17 Fuji Photo Film Co Ltd フレキシブル磁気デイスク
US4581109A (en) * 1983-12-12 1986-04-08 Digital Equipment Corporation Magnetic plated media and process thereof
US4707392A (en) * 1984-02-29 1987-11-17 Fuji Photo Film Co., Ltd. Flexible magnetic disk
JPS60229233A (ja) * 1984-04-27 1985-11-14 Sumitomo Special Metals Co Ltd 磁気ディスク用基板の製造方法
JPH0685267B2 (ja) * 1984-05-07 1994-10-26 富士写真フイルム株式会社 フレキシブル磁気デイスク
JPS61115238A (ja) * 1984-11-09 1986-06-02 Fuji Photo Film Co Ltd フレキシブル磁気デイスクとその製造方法
US4952435A (en) * 1985-10-03 1990-08-28 Fuji Photo Film Co., Ltd. Adhesive for a base-mounted flexible magnetic disc
JPS6288137A (ja) * 1985-10-14 1987-04-22 Sumitomo Special Metals Co Ltd 磁気ディスク用基板の製造方法
JPS6362656A (ja) * 1986-09-02 1988-03-18 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法
US5626943A (en) * 1994-06-02 1997-05-06 The Carborundum Company Ultra-smooth ceramic substrates and magnetic data storage media prepared therefrom
US5480695A (en) * 1994-08-10 1996-01-02 Tenhover; Michael A. Ceramic substrates and magnetic data storage components prepared therefrom
US5850329A (en) * 1994-10-31 1998-12-15 Sullivan; Thomas Milton Magnetic recording device components
US5623386A (en) * 1994-10-31 1997-04-22 Sullivan; Thomas M. Magnetic recording component
US6309766B1 (en) 1994-10-31 2001-10-30 Thomas M. Sullivan Polycrystalline silicon carbide ceramic wafer and substrate
US6077619A (en) * 1994-10-31 2000-06-20 Sullivan; Thomas M. Polycrystalline silicon carbide ceramic wafer and substrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01180467U (ja) * 1988-06-07 1989-12-26

Also Published As

Publication number Publication date
US3681225A (en) 1972-08-01

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