JP2002536778A - データ記憶媒体 - Google Patents

データ記憶媒体

Info

Publication number
JP2002536778A
JP2002536778A JP2000599014A JP2000599014A JP2002536778A JP 2002536778 A JP2002536778 A JP 2002536778A JP 2000599014 A JP2000599014 A JP 2000599014A JP 2000599014 A JP2000599014 A JP 2000599014A JP 2002536778 A JP2002536778 A JP 2002536778A
Authority
JP
Japan
Prior art keywords
substrate
storage medium
less
core
data
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.)
Ceased
Application number
JP2000599014A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002536778A5 (enExample
Inventor
デービス，ジョン・エドワード
ファーラノ，ダニエル
ランダ，バーナード・ポール
リキビ，パルフェ・ジャン・マリー
フェイスト，トーマス・ポール
ダイ，ケビン・シンタオ
サブラマニアン，サレシュ
ハリハラン，ラメシュ
ブシュコ，ウィット・セザリー
クボテラ，カズナオ
ゴルジカ，トーマス・ビー
ウッズ，ジョセフ
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JP2002536778A publication Critical patent/JP2002536778A/ja
Publication of JP2002536778A5 publication Critical patent/JP2002536778A5/ja
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • 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
    • G11B5/73911—Inorganic substrates
    • G11B5/73913—Composites or coated substrates
    • 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
    • G11B5/73911—Inorganic substrates
    • G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
    • G11B5/73919—Aluminium or titanium elemental or alloy substrates
    • 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
    • G11B5/73911—Inorganic substrates
    • G11B5/73921—Glass or ceramic substrates
    • 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
    • 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
    • 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
    • G11B5/855—Coating only part of a support with a magnetic layer
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24047—Substrates
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2531—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising glass
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2532—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising metals
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • G11B7/2536—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polystyrene [PS]
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B7/2578—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • 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
    • 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
    • G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
    • 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
    • G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
    • 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
    • G11B7/266—Sputtering or spin-coating layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/02—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using elements whose operation depends upon chemical change
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/02—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using elements whose operation depends upon chemical change
    • G11C13/025—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using elements whose operation depends upon chemical change using fullerenes, e.g. C60, or nanotubes, e.g. carbon or silicon nanotubes
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B29C2043/023—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves
    • B29C2043/025—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves forming a microstructure, i.e. fine patterning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs
    • B29L2017/005—CD''s, DVD''s
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B2007/25301—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising glass
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B2007/25302—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising metals
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/25708—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing group 13 elements (B, Al, Ga)
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/25713—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing nitrogen
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24056—Light transmission layers lying on the light entrance side and being thinner than the substrate, e.g. specially adapted for Blu-ray® discs
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
    • G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
    • G11B7/2548—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of inorganic materials
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/259—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on silver
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49027—Mounting preformed head/core onto other structure
    • Y10T29/4903—Mounting preformed head/core onto other structure with bonding
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49069—Data storage inductor or core
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49155—Manufacturing circuit on or in base
    • Y10T29/49158—Manufacturing circuit on or in base with molding of insulated base
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49169—Assembling electrical component directly to terminal or elongated conductor
    • Y10T29/49171—Assembling electrical component directly to terminal or elongated conductor with encapsulating
    • Y10T29/49172—Assembling electrical component directly to terminal or elongated conductor with encapsulating by molding of insulating material
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49176—Assembling terminal to elongated conductor with molding of electrically insulating material
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • 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
    • Y10T428/31—Surface property or characteristic of web, sheet or block
    • 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]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Theoretical Computer Science (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Mathematical Physics (AREA)
  • Ceramic Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP2000599014A 1999-02-12 2000-02-11 データ記憶媒体 Ceased JP2002536778A (ja)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US12010199P 1999-02-12 1999-02-12
US13458599P 1999-05-17 1999-05-17
US13788399P 1999-06-07 1999-06-07
US13788499P 1999-06-07 1999-06-07
US14624899P 1999-07-29 1999-07-29
US60/146,248 1999-07-29
US60/137,883 1999-07-29
US60/134,585 1999-07-29
US60/120,101 1999-07-29
US60/137,884 1999-07-29
PCT/US2000/003644 WO2000048172A2 (en) 1999-02-12 2000-02-11 Data storage media

Publications (2)

Publication Number Publication Date
JP2002536778A true JP2002536778A (ja) 2002-10-29
JP2002536778A5 JP2002536778A5 (enExample) 2009-01-22

Family

ID=27537570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000599014A Ceased JP2002536778A (ja) 1999-02-12 2000-02-11 データ記憶媒体

Country Status (8)

Country Link
US (8) US20020080712A1 (enExample)
EP (1) EP1166264A1 (enExample)
JP (1) JP2002536778A (enExample)
KR (1) KR100755089B1 (enExample)
CN (1) CN100449616C (enExample)
AU (1) AU2880100A (enExample)
BR (1) BR0008208A (enExample)
WO (1) WO2000048172A2 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004021343A1 (ja) * 2002-08-30 2004-03-11 Sony Corporation 光ディスク
JP2009054252A (ja) * 2007-08-28 2009-03-12 Konica Minolta Opto Inc 磁気記録媒体用基板、磁気記録媒体、及び磁気記録装置
WO2022004826A1 (ja) * 2020-07-03 2022-01-06 株式会社Uacj 磁気ディスク用基板及び当該磁気ディスク用基板を用いた磁気ディスク

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002510836A (ja) 1998-04-06 2002-04-09 イメイション・コーポレイション データ記憶ディスク用リバース光マスタリング
US7179551B2 (en) * 1999-02-12 2007-02-20 General Electric Company Poly(arylene ether) data storage media
US6801387B1 (en) * 2000-04-14 2004-10-05 Seagate Technology Llc Control flow instability to reduce disk flutter and half frequency whirl
DE10027152A1 (de) * 2000-05-31 2001-12-13 Bayer Ag Moschpolymere zur optischen Datenspeicherung
US7107601B2 (en) * 2000-06-14 2006-09-12 Canon Kabushiki Kaisha Foam molding method and apparatus
US6751060B2 (en) 2000-12-05 2004-06-15 Imation Corp. Magnetic media with readable topographical features
US6628598B2 (en) 2000-12-05 2003-09-30 Imation Corp. Patterned media system
US7019924B2 (en) 2001-02-16 2006-03-28 Komag, Incorporated Patterned medium and recording head
US6611365B2 (en) 2001-03-20 2003-08-26 Imation Corp. Thermoplastic substrates for holographic data storage media
US7300690B2 (en) * 2001-03-29 2007-11-27 General Electric Company Radial tilt reduced media
DE60201673D1 (de) * 2001-04-19 2004-11-25 Gen Electric Prägeverfahren
AU2002303382A1 (en) * 2001-04-19 2002-11-05 General Electric Company Spin coating process
US6723299B1 (en) 2001-05-17 2004-04-20 Zyvex Corporation System and method for manipulating nanotubes
KR20040014996A (ko) * 2001-06-29 2004-02-18 니혼 이타가라스 가부시키가이샤 광산란 반사 기판용 감광성 수지 조성물, 광산란 반사기판, 및 제조 방법
US6949199B1 (en) * 2001-08-16 2005-09-27 Seagate Technology Llc Heat-transfer-stamp process for thermal imprint lithography
WO2003016015A1 (en) * 2001-08-20 2003-02-27 Cargill Dow Llc Method for producing semicrystalline polylactic acid articles
US6716505B2 (en) 2001-08-31 2004-04-06 General Electric Company Storage medium for data with improved dimensional stability
US6961950B2 (en) * 2001-09-04 2005-11-01 Imation Corp. Variable thickness stamper for creation of flat molded substrates
US6704170B2 (en) * 2001-11-05 2004-03-09 International Business Machines Corporation Actuator molding and baking process parameters for polyphenylene sulfide 40% glass fill for high temperature overmold carriage operation in hard disk drives
US20040034177A1 (en) 2002-05-02 2004-02-19 Jian Chen Polymer and method for using the polymer for solubilizing nanotubes
US6905667B1 (en) 2002-05-02 2005-06-14 Zyvex Corporation Polymer and method for using the polymer for noncovalently functionalizing nanotubes
US20030232219A1 (en) * 2002-06-13 2003-12-18 Hiroshi Nishizawa Magnetic disk, magnetic disk manufacturing method and magnetic disk apparatus
JP2004087097A (ja) * 2002-06-28 2004-03-18 Victor Co Of Japan Ltd 光記録媒体
US7329462B2 (en) * 2002-08-23 2008-02-12 General Electric Company Reflective article and method for the preparation thereof
US7300742B2 (en) * 2002-08-23 2007-11-27 General Electric Company Data storage medium and method for the preparation thereof
US7128959B2 (en) * 2002-08-23 2006-10-31 General Electric Company Reflective article and method for the preparation thereof
US7132149B2 (en) 2002-08-23 2006-11-07 General Electric Company Data storage medium and method for the preparation thereof
US20050146993A1 (en) * 2002-10-25 2005-07-07 Fujitsu Limited Magneto-optical recording medium, information recording/reproducing method, and magnetic recording apparatus
US7147790B2 (en) 2002-11-27 2006-12-12 Komag, Inc. Perpendicular magnetic discrete track recording disk
US20050036223A1 (en) 2002-11-27 2005-02-17 Wachenschwanz David E. Magnetic discrete track recording disk
US20050166218A1 (en) * 2002-12-24 2005-07-28 Fujitsu Limited Magneto-optical recording medium and method for producing the same
KR100587322B1 (ko) * 2003-01-14 2006-06-08 엘지전자 주식회사 고강성 광 디스크의 제조 방법
TWI346332B (en) * 2003-01-30 2011-08-01 Toppan Printing Co Ltd Optical disc and method for producing the same
US20040209123A1 (en) * 2003-04-17 2004-10-21 Bajorek Christopher H. Method of fabricating a discrete track recording disk using a bilayer resist for metal lift-off
WO2004106420A2 (en) 2003-05-22 2004-12-09 Zyvex Corporation Nanocomposites and method for production
US7147906B2 (en) * 2003-06-24 2006-12-12 General Electric Company Data storage medium comprising polyimides
US7354990B2 (en) * 2003-08-26 2008-04-08 General Electric Company Purified polymeric materials and methods of purifying polymeric materials
US20050046056A1 (en) * 2003-08-26 2005-03-03 Jiawen Dong Method of molding articles
US20050048252A1 (en) * 2003-08-26 2005-03-03 Irene Dris Substrate and storage media for data prepared therefrom
US7256225B2 (en) * 2003-08-26 2007-08-14 General Electric Company Methods of preparing a polymeric material
US7244813B2 (en) * 2003-08-26 2007-07-17 General Electric Company Methods of purifying polymeric material
US7588657B2 (en) * 2003-09-29 2009-09-15 Princeton University Pattern-free method of making line gratings
WO2005041173A2 (en) * 2003-10-22 2005-05-06 Koninklijke Philips Electronics N.V. Optical storage disc
DE602004010427T2 (de) * 2003-11-17 2008-10-02 Dow Corning Corp., Midland Verfahren zum prägen von ausgehärteten silikonharzsubstraten
US20050150862A1 (en) * 2004-01-13 2005-07-14 Harper Bruce M. Workpiece alignment assembly
US20050151282A1 (en) * 2004-01-13 2005-07-14 Harper Bruce M. Workpiece handler and alignment assembly
US20050151300A1 (en) * 2004-01-13 2005-07-14 Harper Bruce M. Workpiece isothermal imprinting
US20050155554A1 (en) * 2004-01-20 2005-07-21 Saito Toshiyuki M. Imprint embossing system
US7686606B2 (en) 2004-01-20 2010-03-30 Wd Media, Inc. Imprint embossing alignment system
US7329114B2 (en) * 2004-01-20 2008-02-12 Komag, Inc. Isothermal imprint embossing system
US7455889B2 (en) 2004-03-24 2008-11-25 Imation Corp. Holographic media fabrication techniques
US20060018052A1 (en) * 2004-07-23 2006-01-26 Konica Minolta Opto, Inc. Information recording medium glass substrate, information recording medium, information recording apparatus and manufacturing method of information recording medium glass substrate
US7296576B2 (en) 2004-08-18 2007-11-20 Zyvex Performance Materials, Llc Polymers for enhanced solubility of nanomaterials, compositions and methods therefor
US7355814B1 (en) * 2004-09-02 2008-04-08 Maxtor Corporation Disk texture located in load/unload zone of disk for cleaning contamination and disk lubricant from head ABS surface
JP4718946B2 (ja) 2004-09-27 2011-07-06 株式会社東芝 板状構造体の製造装置
US7427466B2 (en) 2004-11-29 2008-09-23 Imation Corp. Anti-reflection optical data storage disk master
CN101248377B (zh) * 2005-03-16 2012-04-25 通用电气公司 数据存储设备和方法
JP2007066390A (ja) * 2005-08-30 2007-03-15 Konica Minolta Opto Inc 磁気記録媒体用基板、及び磁気記録媒体用基板の製造方法
US7879471B2 (en) * 2005-09-22 2011-02-01 Toray Industries, Inc. Support for magnetic recording medium, and magnetic recording medium
CN1962154A (zh) * 2005-11-10 2007-05-16 鸿富锦精密工业（深圳）有限公司 模仁加工装置及加工方法
US7922421B2 (en) * 2005-12-15 2011-04-12 Urban Environmental Corp. Shoreline erosion and flood control system and method
US7637007B2 (en) * 2006-02-08 2009-12-29 Sv Probe Pte. Ltd. Approach for fabricating cantilever probes for probe card assemblies
WO2008100583A1 (en) * 2007-02-13 2008-08-21 Yale University Method for imprinting and erasing amorphous metal alloys
JP2009032380A (ja) * 2007-03-05 2009-02-12 Rohm & Haas Co 硬化性組成物
JP5064078B2 (ja) * 2007-03-30 2012-10-31 株式会社日立産機システム 微細パターン転写用金型およびそれを用いた樹脂製転写物の製造方法
EP2051251A1 (en) * 2007-10-19 2009-04-22 Bayer MaterialScience AG Disc shaped high density recording medium
JP2009123269A (ja) * 2007-11-13 2009-06-04 Furukawa Electric Co Ltd:The ガラス基板および磁気ディスク装置
WO2009110882A1 (en) * 2008-03-01 2009-09-11 Hewlett-Packard Development Company, L.P. Imparting pattern into material using embossing roller
JP5121549B2 (ja) * 2008-04-21 2013-01-16 株式会社東芝 ナノインプリント方法
JP2010129729A (ja) * 2008-11-27 2010-06-10 Kyocera Corp センサ保持用基板およびこれを用いたセンサ付き基板、センサ保持用基板の製造方法。
JP2012514279A (ja) 2008-12-25 2012-06-21 バイエル・マテリアルサイエンス・アクチェンゲゼルシャフト ディスク型高密度記録媒体
CN102576557B (zh) * 2008-12-25 2015-11-25 拜尔材料科学股份公司 圆盘形高密度记录介质
US7985188B2 (en) * 2009-05-13 2011-07-26 Cv Holdings Llc Vessel, coating, inspection and processing apparatus
US8741389B2 (en) * 2009-06-17 2014-06-03 Seagate Technology Llc Controlling thickness uniformity and interfaces in stacks
US8402638B1 (en) 2009-11-06 2013-03-26 Wd Media, Inc. Press system with embossing foil free to expand for nano-imprinting of recording media
US8496466B1 (en) 2009-11-06 2013-07-30 WD Media, LLC Press system with interleaved embossing foil holders for nano-imprinting of recording media
US9330685B1 (en) 2009-11-06 2016-05-03 WD Media, LLC Press system for nano-imprinting of recording media with a two step pressing method
WO2011091550A1 (en) 2010-01-28 2011-08-04 Bayer Materialscience Ag High speed dvds
KR102157254B1 (ko) * 2010-05-12 2020-09-21 에스아이오2메디컬 프로덕츠, 인크. 혈액 수집 용기
JP2014041672A (ja) * 2012-08-22 2014-03-06 Fuji Electric Co Ltd 熱アシスト記録用磁気記録媒体
US9111520B2 (en) 2013-03-12 2015-08-18 Curtis E. Graber Flexural disk transducer shell
US10851611B2 (en) * 2016-04-08 2020-12-01 Baker Hughes, A Ge Company, Llc Hybrid disintegrable articles
CN107786933B (zh) * 2016-08-31 2020-06-30 大原博 预热成型的喇叭振动片制造方法
EP3340599B1 (en) 2016-12-20 2018-11-28 Axis AB An alignment member and a method for aligning a sensor board
US11508405B1 (en) 2021-06-21 2022-11-22 Western Digital Technologies, Inc. Magnetic recording media with plasma-polished pre-seed layer or substrate
JP7113157B1 (ja) * 2022-03-30 2022-08-04 古河電気工業株式会社 磁気ディスク及び磁気ディスク用基板

Family Cites Families (334)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198657A (en) * 1964-09-17 1965-08-03 Ibm Process for spin coating objects
US4057831A (en) 1972-09-05 1977-11-08 U.S. Philips Corporation Video record disc manufactured by a process involving chemical or sputter etching
FR2288370A1 (fr) 1974-10-18 1976-05-14 Thomson Brandt Perfectionnements aux supports d'information a lecture optique
US4211617A (en) 1975-02-24 1980-07-08 Mca Disco-Vision, Inc. Process for producing a stamper for videodisc purposes
US4206256A (en) 1975-08-21 1980-06-03 Rca Corporation Metallized video disc having an insulating layer thereon
US4305081A (en) 1976-03-19 1981-12-08 Rca Corporation Multilayer record blank for use in optical recording
US4329697A (en) 1977-03-28 1982-05-11 Rca Corporation Information record
DE2807479A1 (de) * 1978-02-22 1979-08-23 Bayer Ag Ueberzugsmittel
US4222070A (en) 1978-03-13 1980-09-09 Eastman Kodak Company Recording video information on a flexible master disc
JPS6053675B2 (ja) 1978-09-20 1985-11-27 富士写真フイルム株式会社 スピンコ−テイング方法
US4441179A (en) 1979-01-15 1984-04-03 Discovision Associates Optical video disc structure
US4243317A (en) 1979-06-27 1981-01-06 Eastman Kodak Company Contact printing apparatus
US4272474A (en) * 1979-11-06 1981-06-09 Synergistics Chemicals Limited Process for producing articles of ultra high molecular weight high density polyethylene
JPS5671821A (en) 1979-11-14 1981-06-15 Hitachi Ltd Substrate for magnetic disc and its manufacture
US4235835A (en) 1979-11-29 1980-11-25 Union Carbide Corporation Thermosetting compositions for injection molding
DE3068214D1 (en) 1980-09-06 1984-07-19 Ibm Deutschland Carrier for magnetic discs consisting of fibre-reinforced plastics
JPS5749838A (en) * 1980-09-10 1982-03-24 Mitsubishi Electric Corp Vibration load applying device
US4363844A (en) 1980-09-22 1982-12-14 Lewis Terry W Metallized information carrying discs
US4519065A (en) * 1980-09-22 1985-05-21 Minnesota Mining And Manufacturing Company Metallized information carrying discs
US4515828A (en) 1981-01-02 1985-05-07 International Business Machines Corporation Planarization method
US4373065A (en) 1981-02-17 1983-02-08 Xerox Corporation Optically isotropic devices
US4404238A (en) 1981-04-16 1983-09-13 Memorex Corporation Precipitated alumina for use in magnetic recording disc media
US4419704A (en) 1981-04-24 1983-12-06 Iomega Corporation Bernoulli plate for stabilization of flexible magnetic disk
US4402798A (en) 1982-02-16 1983-09-06 Rca Corporation Method for the manufacture of a metallic recording substrate for a capacitance electronic disc and the recording substrate obtained thereby
JPS58146040A (ja) 1982-02-24 1983-08-31 Pioneer Video Kk 光学式情報記録原盤
US4503420A (en) 1982-05-07 1985-03-05 Digital Equipment Corporation Arrangement for encoding and decoding information signals
JPS5977647A (ja) 1982-10-26 1984-05-04 Matsushita Electric Ind Co Ltd 光学式円盤
US4451507A (en) 1982-10-29 1984-05-29 Rca Corporation Automatic liquid dispensing apparatus for spinning surface of uniform thickness
US4584259A (en) 1982-12-17 1986-04-22 Burroughs Corporation Coated media for optical recording with acrylic overcoat
US4592939A (en) 1982-12-17 1986-06-03 Burroughs Corporation Method of rendering uniform coating on disks and product
US4492718A (en) 1982-12-17 1985-01-08 Burroughs Corporation Rotation coating of disk substrate with acrylate prepolymer
US4457259A (en) 1983-03-14 1984-07-03 Rca Corporation Apparatus for spraying a liquid on a spinning surface
FR2548578B1 (fr) 1983-07-04 1986-01-31 Thomson Csf Procede de fabrication de disques optiques par pressage et disque obtenu par un tel procede
JPS6079543A (ja) 1983-10-05 1985-05-07 Daicel Chem Ind Ltd プラスチツク基盤上に希土類−遷移金属アモルフアスの光磁気記録媒体層を形成した記録担体
US4514583A (en) 1983-11-07 1985-04-30 Energy Conversion Devices, Inc. Substrate for photovoltaic devices
FR2559295B1 (fr) 1984-02-03 1987-01-16 Commissariat Energie Atomique Nouveau support pour disque magnetique d'enregistrement et son procede de fabrication
US4622284A (en) 1984-03-01 1986-11-11 Digital Recording Corporation Process of using metal azide recording media with laser
JPS60191446A (ja) 1984-03-09 1985-09-28 Daikin Ind Ltd 光デイスク材料
JPH064908B2 (ja) 1984-03-16 1994-01-19 マツダ株式会社 珪素拡散処理法
US4552820A (en) 1984-04-25 1985-11-12 Lin Data Corporation Disc media
US4659605A (en) 1984-05-16 1987-04-21 Richardson Chemical Company Electroless deposition magnetic recording media process and products produced thereby
JPS61131232A (ja) * 1984-11-30 1986-06-18 Sumitomo Bakelite Co Ltd 光・磁気デイスク用複合基板の製造方法
US4673602A (en) 1984-06-13 1987-06-16 Sumitomo Bakelite Company Limited Composite substrate plate for magnetic or optical disk and process for production thereof
DE3425578A1 (de) 1984-07-11 1986-01-16 Polygram Gmbh, 2000 Hamburg Optisch auslesbarer plattenfoermiger informationstraeger hoher speicherdichte
JPS6148123A (ja) 1984-08-15 1986-03-08 Sumitomo Special Metals Co Ltd 記録デイスク用基板の製造方法
US5100741A (en) 1984-09-12 1992-03-31 Seiko Epson Corporation Magneto-optic recording systems
JPH0612715B2 (ja) 1984-09-14 1994-02-16 日本電気株式会社 フラッシュランプのトリガ方式
JPS6190343A (ja) 1984-10-09 1986-05-08 Polyplastics Co 光ディスク
JPS6192814A (ja) * 1984-10-15 1986-05-10 Sumitomo Bakelite Co Ltd 複合基板の製法
JPS61105725A (ja) * 1984-10-29 1986-05-23 Sumitomo Bakelite Co Ltd 磁気デイスク
EP0181263B1 (en) 1984-11-08 1992-01-29 Digital Equipment Corporation Narrow contour head assembly
GB8500102D0 (en) 1985-01-04 1985-02-13 Raychem Pontoise Sa Polymer composition
US4656546A (en) 1985-01-22 1987-04-07 Digital Equipment Corporation Vertical magnetic recording arrangement
US4596739A (en) 1985-02-11 1986-06-24 International Business Machines Corporation Rigid magnetic recording media
CA1283813C (en) 1985-02-26 1991-05-07 Canon Kabushiki Kaisha Magnetic recording medium
US4920441A (en) 1985-03-13 1990-04-24 Nippon Telegraph and Telehpone Corp. Flexible magnetic diskette
US4619804A (en) 1985-04-15 1986-10-28 Eastman Kodak Company Fabricating optical record media
JPS61242327A (ja) * 1985-04-19 1986-10-28 Sumitomo Bakelite Co Ltd 光・磁気デイスク用複合基板の製造方法
US5379439A (en) 1985-06-04 1995-01-03 Quantum Corporation Fixed disk drive mounted to printed circuit board
JPH0673179B2 (ja) 1985-06-14 1994-09-14 ポリプラスチックス株式会社 磁気デイスク
JPS6225187A (ja) 1985-07-25 1987-02-03 Fujimi Kenmazai Kogyo Kk メモリ−ハ−ドデイスクの研磨用組成物
US4708919A (en) 1985-08-02 1987-11-24 Micronix Corporation Process for manufacturing a mask for use in X-ray photolithography using a monolithic support and resulting structure
JPH0519847Y2 (enExample) * 1985-08-21 1993-05-25
JPS62149029A (ja) 1985-09-04 1987-07-03 Furukawa Alum Co Ltd アルマイト磁気デイスク基板とその製造方法
JPS6275932A (ja) 1985-09-27 1987-04-07 Alps Electric Co Ltd 磁気デイスク媒体
JPS62105616A (ja) 1985-11-01 1987-05-16 Daicel Chem Ind Ltd 光デイスクの射出成形用金型
JPS62120629A (ja) 1985-11-20 1987-06-01 Sumitomo Special Metals Co Ltd 磁気ディスク及びその製造方法
JPS62124625A (ja) * 1985-11-25 1987-06-05 Mitsubishi Electric Corp 磁気記録媒体
EP0226123A3 (en) 1985-12-03 1988-08-10 Matsushita Electric Industrial Co., Ltd. Method for producing transparent plastic article
US5135791A (en) 1985-12-06 1992-08-04 Sumitomo Chemical Company, Limited Optical device
JPS62134836A (ja) * 1985-12-06 1987-06-17 Sumitomo Bakelite Co Ltd 案内溝を有する光・磁気デイスク用アルミ−樹脂複合基板の製造方法
WO1987004093A1 (fr) 1985-12-28 1987-07-16 Falcore Co., Ltd. Procede de preparation d'une base metallique pour un disque de memoire
US4789722A (en) 1986-01-30 1988-12-06 Hercules Incorporated Polyarylene polyether made using mixed base system
DE3603267A1 (de) 1986-02-04 1987-08-06 Roehm Gmbh Vorrichtung zur reversiblen, optischen datenspeicherung (i)
FR2610753A1 (fr) 1987-02-11 1988-08-12 Commissariat Energie Atomique Substrat pour memoire a disque magnetique et procede de fabrication
JPS62204451A (ja) 1986-03-03 1987-09-09 Daicel Chem Ind Ltd 光デイスク用プラスチツク基板とその製法
JPS62205554A (ja) * 1986-03-05 1987-09-10 Sumitomo Chem Co Ltd 光デイスク
EP0240752B1 (en) 1986-03-07 1992-06-03 Matsushita Electric Industrial Co., Ltd. Erasable optical disk having an improved optically transparent substrate
JPH0745555B2 (ja) 1986-03-28 1995-05-17 三菱油化株式会社 光学材料用樹脂およびその製造法
CH668142A5 (fr) 1986-04-18 1988-11-30 Battelle Memorial Institute Substrat destine a recevoir un revetement en couche mince dont la rugosite est inferieure a 0,05 micrometre procede de fabrication et dispositif porteur constitue par ce substrat.
US4737877A (en) 1986-05-05 1988-04-12 International Business Machines Corporation Structure to provide optical and capacitive contrast on magnetic recording disk
DE3629582A1 (de) 1986-08-30 1988-03-03 Basf Ag Verfahren zur oberflaechenbearbeitung scheibenfoermiger vernickelter aluminiumsubstrate
US4810527A (en) 1986-09-19 1989-03-07 E. I. Du Pont Nemours And Company Free surface casting method
FR2604552A1 (fr) 1986-09-29 1988-04-01 Rhone Poulenc Chimie Substrat polymere rigide utilisable comme support d'enregistrement magnetique et le disque magnetique obtenu a partir de ce substrat
US5082696A (en) 1986-10-03 1992-01-21 Dow Corning Corporation Method of forming semiconducting amorphous silicon films from the thermal decomposition of dihalosilanes
DE3789932T2 (de) 1986-10-09 1995-02-09 Asahi Glass Co Ltd Glassubstrat für eine Magnetplatte und Verfahren zu seiner Herstellung.
US4709361A (en) 1986-10-30 1987-11-24 Allied Corporation Flexural disk transducer
DE3855045T2 (de) 1987-02-13 1996-06-13 Dow Chemical Co Medium für optische aufzeichnung
JPS63205817A (ja) 1987-02-20 1988-08-25 Matsushita Electric Works Ltd 磁気デイスク基板
US5159511A (en) 1987-04-01 1992-10-27 Digital Equipment Corporation Biasing conductor for MR head
US4885649A (en) 1987-04-01 1989-12-05 Digital Equipment Corporation Thin film head having a magneto-restrictive read element
US4808453A (en) * 1987-04-13 1989-02-28 Romberg Val G Pharmaceutical elastomeric coating
US4731155A (en) 1987-04-15 1988-03-15 General Electric Company Process for forming a lithographic mask
JPH0827940B2 (ja) 1987-04-24 1996-03-21 日本電気株式会社 磁気記憶体およびその製造方法
DE3719200A1 (de) 1987-06-09 1988-12-29 Ibm Deutschland Optische speicherplatte und verfahren zu ihrer herstellung
JPS6479242A (en) 1987-06-16 1989-03-24 Sumitomo Chemical Co Resin molded item for optical use
US4851494A (en) 1987-07-24 1989-07-25 Ciba-Geigy Corporation Crosslinkable polyether-amide
DE3725134A1 (de) * 1987-07-29 1989-02-09 Basf Ag Flaechenfoermiges, mehrschichtiges, laseroptisches aufzeichnungsmaterial
US4999234A (en) 1987-08-10 1991-03-12 Polaroid Corporation Holographic optical data storage medium
US4898529A (en) * 1987-08-11 1990-02-06 Hoechst Aktiengesellschaft Apparatus for molding magneto-optic substrates
US4877666A (en) 1987-08-11 1989-10-31 Kerdix, Inc. Magneto-optic substrates
US4965780A (en) 1987-08-12 1990-10-23 Digital Equipment Corporation Magneto-optical data recording device using a wavelength and polarization-sensitive splitter
US5047274A (en) 1987-09-28 1991-09-10 Noboru Tsuya Annodized aluminum substrate for a magnetic recording disk in which pores are filled with a non magnetic material and the surface polished and etched
JP2506123B2 (ja) 1987-09-29 1996-06-12 シャープ株式会社 光ディスク
JPH0191319A (ja) 1987-09-30 1989-04-11 Noboru Tsuya 磁気ディスクの製造方法
US5209837A (en) 1987-09-30 1993-05-11 Noboru Tsuya Process for preparing magnetic disk
US4831244A (en) 1987-10-01 1989-05-16 Polaroid Corporation Optical record cards
US4775608A (en) 1987-10-05 1988-10-04 International Business Machines Corporation Generation of capacitive servo patterns on magnetic storage disks
US4885339A (en) 1987-11-23 1989-12-05 The Dow Chemical Company Polyphenylene ether/polystyrene blends
DE3743491A1 (de) 1987-12-22 1989-07-13 Bayer Ag Verwendung von mischungen aus polycarbonaten und styrolpolymerisaten als substrate fuer optische speicher
US4908826A (en) 1988-01-05 1990-03-13 Digital Equipment Corporation Stored data error correction system
EP0325232B1 (en) 1988-01-19 1996-09-11 Fujimi Incorporated Polishing composition
US4876117A (en) 1988-02-04 1989-10-24 Domain Technology Method and coating transition metal oxide on thin film magnetic disks
US5018128A (en) 1988-02-05 1991-05-21 Tandy Corporation Apparatus and medium for recording erasable information
US5014259A (en) 1988-02-05 1991-05-07 Tandy Corporation Recording medium having an insulating layer
JP2680591B2 (ja) 1988-02-15 1997-11-19 シャープ株式会社 光メモリ素子の製造方法
JPH01211226A (ja) 1988-02-17 1989-08-24 Hitachi Maxell Ltd 磁気ディスク
US4893910A (en) 1988-03-16 1990-01-16 Hewlett-Packard Company Magneto-optical recording system having medium with domainless control layer
JPH01140616U (enExample) 1988-03-16 1989-09-26
US5112701A (en) 1988-03-25 1992-05-12 Ricoh Company, Ltd. Magneto-optic recording media and process for producing the same
JPH064916Y2 (ja) 1988-03-25 1994-02-09 松下電器産業株式会社 電動噴霧機
US5084355A (en) 1988-04-13 1992-01-28 Hitachi, Ltd. Laminar structure comprising organic material and inorganic material
DE68918623T2 (de) 1988-04-16 1995-03-30 Daicel Chem Verfahren und Herstellung eines formatierten Substrates für eine optische Scheibe und Spritzform für dessen Verwendung.
US5171585A (en) 1988-04-16 1992-12-15 Daicel Chemical Industries, Ltd. Apparatus for molding a formatted substrate for an optical disk
JPH078514B2 (ja) 1988-04-18 1995-02-01 ダイセル化学工業株式会社 光ディスク用プラスチック基板の射出成形法
US5164465A (en) 1988-05-13 1992-11-17 Ohio State University Research Foundation Sulfonated polyaniline salt compositions, processes for their preparation and uses thereof
US5137991A (en) 1988-05-13 1992-08-11 The Ohio State University Research Foundation Polyaniline compositions, processes for their preparation and uses thereof
US5237548A (en) * 1988-06-01 1993-08-17 Hoechst Aktiengesellschaft Magneto-optic recording structure and method
GB8818835D0 (en) 1988-08-09 1988-09-14 Plasmon Data Systems Ltd Intermediate smoothing during optical disk manufacture
US4953385A (en) 1988-08-22 1990-09-04 Matsushita Electric Industrial Co., Ltd. Information storage stamper and method of manufacturing disks using the same
US5109377A (en) 1988-08-22 1992-04-28 Fuji Photo Film Co., Ltd. Magneto-optical recording medium and method of producing the same
JPH0258729A (ja) 1988-08-24 1990-02-27 Nec Corp 磁気ディスク基板およびその製造方法
JPH0264944A (ja) 1988-08-30 1990-03-05 Mitsubishi Electric Corp 光磁気記録媒体
NL8802211A (nl) 1988-09-08 1990-04-02 Philips Nv Werkwijze voor de vervaardiging van een metalen matrijs.
JP2570402B2 (ja) 1988-09-30 1997-01-08 日本ビクター株式会社 光学式情報記録媒体成型装置
JP2636903B2 (ja) 1988-09-30 1997-08-06 株式会社リコー 光ディスク基板の射出成形用金型
JPH0296919A (ja) * 1988-10-03 1990-04-09 Fuji Electric Co Ltd 磁気記録媒体
JPH0296921A (ja) * 1988-10-03 1990-04-09 Fuji Electric Co Ltd 磁気記録媒体
US4976902A (en) * 1988-10-04 1990-12-11 Rubatex Corporation Molding method for producing expanded polyolefin foam
US4911966A (en) 1988-12-02 1990-03-27 Mitsubishi Monsanto Chemical Company Optical disk substrate
US5063097A (en) 1988-12-16 1991-11-05 Toray Industries, Inc. Optical recording medium
JP2701396B2 (ja) * 1988-12-20 1998-01-21 凸版印刷株式会社 光学式記録媒体
DE3902939A1 (de) 1989-02-01 1990-08-02 Basf Ag Diphenochinon- und diphenohydrochinonderivate und deren verwendung in optischen formteilen
US4964934A (en) 1989-02-02 1990-10-23 Del Mar Avionics Optical disk manufacturing process
JPH0692263B2 (ja) 1989-02-16 1994-11-16 伊藤忠商事株式会社 記録ディスク基板及びその製造方法
US4971932B1 (en) 1989-02-24 1995-01-03 Corning Glass Works Magnetic memory storage devices
US5097370A (en) 1989-03-17 1992-03-17 Digital Equipment Corporation Subambient pressure air bearing slider for disk drive
JP2729317B2 (ja) 1989-06-10 1998-03-18 日本ゼオン株式会社 光ディスク
US5120603A (en) 1989-06-22 1992-06-09 Digital Equipment Corporation Magneto-optic recording medium with oriented langmuir-blodgett protective layer
US5161134A (en) 1989-06-29 1992-11-03 Digital Equipment Corporation Method for increasing linear bit density in magneto-optical storage media
US5191563A (en) 1989-06-29 1993-03-02 Digital Equipment Corporation Method for increasing track density of magneto-optical storage media
US5188863A (en) 1989-06-30 1993-02-23 E. I. Du Pont De Nemours And Company Direct effect master/stamper for optical recording
US5094925A (en) 1989-06-30 1992-03-10 Sharp Kabushiki Kaisha Opto-magnetic recording medium
CA2020180C (en) 1989-06-30 2000-01-04 Stephen A. Zager Method for making optically readable media containing embossed information
CA2017284C (en) 1989-07-04 1995-10-03 Kazutomi Suzuki Optical recording medium
US4975327A (en) 1989-07-11 1990-12-04 Minnesota Mining And Manufacturing Company Polyimide substrate having a textured surface and metallizing such a substrate
KR100232589B1 (ko) 1989-07-31 2000-01-15 토마스 에프.멀베니 기계적 트랙킹 이탈을 방지하기 위해 기억 디스크 및 액츄에이터의 장착점들과 정렬된 지지기둥들을 가지는 디스크 드라이브
DE69032926T2 (de) 1989-08-31 1999-06-10 Idemitsu Kosan Co. Ltd., Tokio/Tokyo Magnetisches Aufzeichnungsmedium
JPH067410B2 (ja) 1989-10-02 1994-01-26 伊藤忠商事株式会社 記録ディスク基板及び磁気記録ディスクの製造方法
US4975358A (en) 1989-10-17 1990-12-04 The United States Of America As Represented By The Secretary Of The Navy Immediate write, read, and erase optical storage medium and method of marking and erasing
FR2654864B1 (fr) 1989-11-21 1995-08-04 Digipress Sa Procede pour la fabrication d'un disque a lecture optique et disques obtenus par ce procede.
JPH03173958A (ja) 1989-12-01 1991-07-29 Pioneer Electron Corp 光磁気ディスク
JPH03178033A (ja) 1989-12-06 1991-08-02 Fuji Photo Film Co Ltd 磁気ディスク
US5392263A (en) 1990-01-31 1995-02-21 Sony Corporation Magneto-optical disk system with specified thickness for protective layer on the disk relative to the numerical aperture of the objective lens
US5099469A (en) 1990-02-20 1992-03-24 Del Mar Avionics Process for manufacturing an optical disc master
US5108781A (en) 1990-03-12 1992-04-28 Magnetic Peripherals Inc. Process for manufacturing selectively textured magnetic recording media
JPH0716729B2 (ja) 1990-03-19 1995-03-01 工業技術院長 弾性変形型を用いた型成形法
US5094884A (en) 1990-04-24 1992-03-10 Machine Technology, Inc. Method and apparatus for applying a layer of a fluid material on a semiconductor wafer
US5814400A (en) 1990-05-18 1998-09-29 Hitachi, Ltd. Magneto-optical recording medium and method
US5234717A (en) 1990-06-14 1993-08-10 Nippon Sheet Glass Co., Ltd. Process for producing a minute-patterned substrate
US5242761A (en) 1990-07-03 1993-09-07 Digital Equipment Corporation Japan Magnetic recording medium comprising NiFe and CoZr alloy crystalline magnetic alloy layers and a Co-Cr vertically magnetizable layer
CA2047163C (en) 1990-07-20 1995-05-16 Kenji Ohta Optical disk
US5068065A (en) 1990-07-31 1991-11-26 Galic Maus Ventures Faster cycling sprue method and apparatus for injection molding plastic optical disks
JPH0781132B2 (ja) 1990-08-29 1995-08-30 株式会社フジミインコーポレーテッド 研磨剤組成物
US5230025A (en) 1990-08-31 1993-07-20 Digital Biometrics, Inc. Method and apparatus for capturing skin print images
JPH04159634A (ja) 1990-10-22 1992-06-02 Pioneer Electron Corp 光ディスク製造方法
JPH0620516Y2 (ja) 1990-10-31 1994-06-01 株式会社イナックス 気泡浴槽
US5730922A (en) 1990-12-10 1998-03-24 The Dow Chemical Company Resin transfer molding process for composites
US5335526A (en) 1991-01-29 1994-08-09 Garrison Marvin C Method of manufacturing substrates for memory disks
EP0498564B1 (en) 1991-02-04 1998-04-08 Nippon Zeon Co., Ltd. Thermoplastic saturated norbornene group polymer composition
US5177656A (en) 1991-02-05 1993-01-05 Hoechst Celanese Corporation Flexible magnetic disc cassettes with integrally molded wear button
NL9100366A (nl) 1991-02-28 1992-09-16 Philips & Du Pont Optical Werkwijze voor het vervaardigen van een schijfvormige informatiedrager, informatiedrager vervaardigd volgens de werkwijze en inrichting voor het uitvoeren van de werkwijze.
US6010761A (en) 1991-03-12 2000-01-04 Sony Corporation Optical disc
JP2995884B2 (ja) 1991-03-18 1999-12-27 三菱化学株式会社 水素化ビニル芳香族炭化水素重合体組成物及び光ディスク基板
JPH04302813A (ja) 1991-03-29 1992-10-26 Sony Corp ハードディスク用薄膜磁気ヘッド装置
US5193039A (en) 1991-04-17 1993-03-09 Digital Equipment Corporation Permanet magnet easy-axis biased magnetoresistive head
CA2070444C (en) 1991-06-05 1999-01-19 Kazuyuki Yamasaki Process for the preparation of substrates for optical disk
US5311376A (en) 1991-06-11 1994-05-10 Western Digital (Singapore) Pte Information detecting system
GB9112791D0 (en) 1991-06-13 1991-07-31 Applied Holographics Optical data storage disc
JPH04370548A (ja) * 1991-06-20 1992-12-22 Pioneer Electron Corp 光記録ディスク用基体の製造方法およびそれを実施するための装置
JPH052771A (ja) * 1991-06-25 1993-01-08 Pioneer Electron Corp 光記録媒体
JPH05282706A (ja) 1991-08-01 1993-10-29 Canon Inc 光記録媒体とその製造方法及び光記録媒体用基板
DE4126422A1 (de) 1991-08-09 1993-02-11 Bayer Ag Vertraegliche polymermischungen mit thermoplastischen polycarbonaten
JPH0589517A (ja) 1991-09-25 1993-04-09 Sony Corp 光デイスク
US5267112A (en) 1991-09-30 1993-11-30 Digital Equipment Corporation Thin film read/write head for minimizing erase fringing and method of making the same
US5811182A (en) 1991-10-04 1998-09-22 Tulip Memory Systems, Inc. Magnetic recording medium having a substrate and a titanium nitride underlayer
US5112662A (en) 1991-10-07 1992-05-12 Digital Equipment Corporation Method for providing a lubricant coating on the surface of a magneto-optical disk and resulting optical disk
GB9122247D0 (en) 1991-10-19 1991-12-04 Applied Holographics Optical data storage disc
US5800904A (en) 1991-12-27 1998-09-01 Hallman; Robert A. Embossable surface covering with inorganic wear layer
US5445853A (en) * 1992-01-09 1995-08-29 Sony Corporation Optical data storage media
US5470627A (en) 1992-03-06 1995-11-28 Quantum Corporation Double-sided optical media for a disk storage device
US5199090A (en) 1992-03-06 1993-03-30 Hewlett-Packard Company Flying magnetooptical read/write head employing an optical integrated circuit waveguide
US5202880A (en) 1992-03-06 1993-04-13 Digital Equipment Corporation Double-sided magneto-optical media for a multi-disk storage device
JPH05269788A (ja) * 1992-03-27 1993-10-19 Mitsubishi Plastics Ind Ltd ディスク基板の射出成形方法
JP2884900B2 (ja) 1992-04-08 1999-04-19 日本電気株式会社 磁気記憶体
WO1993021629A1 (en) 1992-04-15 1993-10-28 Tulip Memory Systems, Inc. Precision-etched textured stop/start zone for magnetic-recording disks
JPH0781133B2 (ja) 1992-05-06 1995-08-30 株式会社フジミインコーポレーテッド メモリーハードディスクの研磨用組成物
JP3104406B2 (ja) 1992-06-15 2000-10-30 松下電器産業株式会社 光ディスク用原板とその製造方法
JP2854191B2 (ja) 1992-06-19 1999-02-03 シャープ株式会社 記録媒体
JPH064908A (ja) 1992-06-22 1994-01-14 Awa Eng Co 光ディスクとその製造装置
JPH0612715A (ja) 1992-06-29 1994-01-21 Hitachi Ltd 光磁気記録媒体とそれを用いた記録再生または消去方法および装置
JPH0620316A (ja) 1992-06-30 1994-01-28 Kyocera Corp 光磁気ディスク
JPH0668462A (ja) * 1992-08-19 1994-03-11 Fujitsu Ltd 磁気ディスク
JP3289786B2 (ja) * 1992-08-27 2002-06-10 パイオニア株式会社 情報記録媒体
JPH06119668A (ja) 1992-10-02 1994-04-28 Hitachi Ltd 光磁気記録媒体
JPH06139675A (ja) 1992-10-27 1994-05-20 Hitachi Ltd ディスク形記憶媒体の駆動装置
JPH06150419A (ja) 1992-11-02 1994-05-31 Canon Inc 光学的記録媒体およびその製造方法
JPH06162583A (ja) 1992-11-19 1994-06-10 Canon Inc 光磁気記録媒体
JPH06158281A (ja) 1992-11-25 1994-06-07 Shin Etsu Chem Co Ltd 光磁気記録媒体の製造方法
JPH06187683A (ja) 1992-12-18 1994-07-08 Ricoh Co Ltd 光磁気記録媒体
JP2938292B2 (ja) 1992-12-24 1999-08-23 川崎製鉄株式会社 金属帯の連続浸炭方法
JP3163516B2 (ja) * 1992-12-28 2001-05-08 松下電器産業株式会社 磁気ディスク装置
US5453961A (en) 1993-01-15 1995-09-26 Eastman Kodak Company Pick-up device for optical disk readout using waveguide gratings
US5751452A (en) 1993-02-22 1998-05-12 Nippon Telegraph And Telephone Corporation Optical devices with high polymer material and method of forming the same
JP3344495B2 (ja) 1993-03-04 2002-11-11 ソニー株式会社 磁気ディスク装置
US5400317A (en) 1993-04-01 1995-03-21 Balzers Aktiengesellschaft Method of coating a workpiece of a plastic material by a metal layer
JPH06309714A (ja) 1993-04-21 1994-11-04 Shin Etsu Chem Co Ltd 光磁気記録媒体の製造方法
US5626935A (en) 1993-05-19 1997-05-06 Kabushiki Kaisya Ohara Magnetic disk substrate and method for manufacturing the same
EP0729924B1 (en) 1993-05-19 2000-01-26 Kabushiki Kaisha Ohara Glass-ceramic for a magnetic disk substrate
US5391522A (en) 1993-05-19 1995-02-21 Kabushiki Kaisya Ohara Glass-ceramic for magnetic disks and method for manufacturing the same
US5354985A (en) 1993-06-03 1994-10-11 Stanford University Near field scanning optical and force microscope including cantilever and optical waveguide
GB9315692D0 (en) 1993-07-29 1993-09-15 Zeneca Ltd Phthalocyanines
US5536549A (en) 1993-08-02 1996-07-16 Tulip Memory Systems, Inc. Austenitic stainless steel substrate for magnetic-recording media
US5426632A (en) * 1993-08-23 1995-06-20 Pioneer Video Corporation Information recording medium and method for recording information to the same
US5453168A (en) 1993-08-25 1995-09-26 Tulip Memory Systems, Inc. Method for forming protective overcoatings for metallic-film magnetic-recording mediums
JP3248309B2 (ja) 1993-08-27 2002-01-21 ソニー株式会社 光ディスク
US5395803A (en) 1993-09-08 1995-03-07 At&T Corp. Method of spiral resist deposition
US5707705A (en) 1993-09-08 1998-01-13 Tulip Memory Systems, Inc. Titanium or titanium-alloy substrate for magnetic-recording media
US5441788A (en) 1993-11-03 1995-08-15 Hewlett-Packard Company Method of preparing recording media for a disk drive and disk drive recording media
US5585989A (en) 1993-11-30 1996-12-17 Sony Corporation Magnetic disc substrate and a magnetic disc using the same
US5487931A (en) 1993-12-02 1996-01-30 Annacone; William R. Rigid disc substrate comprising a central hard core substrate with a hard, thermally and mechanically matched overlying smoothing layer and method for making the same
US5437887A (en) 1993-12-22 1995-08-01 Enthone-Omi, Inc. Method of preparing aluminum memory disks
JPH07192335A (ja) * 1993-12-27 1995-07-28 Shin Etsu Chem Co Ltd 光磁気記録媒体およびその製造方法
US5681635A (en) 1994-01-20 1997-10-28 Tulip Memory Systems, Inc. Magnetic recording medium having a ceramic substrate, an underlayer having a dense fibrous zone T structure, and a magnetic layer
US6236542B1 (en) 1994-01-21 2001-05-22 International Business Machines Corporation Substrate independent superpolishing process and slurry
US5468324A (en) 1994-03-08 1995-11-21 Hong; Gilbert H. Spin-on and peel polymer film method of data recording duplication and micro-structure fabrication
US5633106A (en) * 1994-04-08 1997-05-27 Mitsui Toatsu Chemicals, Inc. Optical recording media and a method of recording and reproducing information
JP2799544B2 (ja) 1994-04-28 1998-09-17 株式会社オハラ 情報記録ディスク用結晶化ガラス
DE4420024C2 (de) 1994-06-09 1996-05-30 Heraeus Quarzglas Halbzeug in Form eines Verbundkörpers für ein elektronisches oder opto-elektronisches Halbleiterbauelement
JPH0817155A (ja) 1994-06-30 1996-01-19 Sony Corp 磁気ディスク
US5589206A (en) * 1994-07-22 1996-12-31 Polyshot Corporation Compact disc injection molding apparatus
US5538774A (en) 1994-07-29 1996-07-23 Minnesota Mining And Manufacturing Company Internally damped rotatable storage article
US5494782A (en) 1994-07-29 1996-02-27 Sony Corporation Direct to stamper/mother optical disk mastering
US5480695A (en) * 1994-08-10 1996-01-02 Tenhover; Michael A. Ceramic substrates and magnetic data storage components prepared therefrom
FR2724042B1 (fr) 1994-08-30 1997-01-03 Thomson Csf Systeme d'ecriture/lecture optique d'un support d'enregistrement et application a un disque d'enregistrement
US5489774A (en) 1994-09-20 1996-02-06 The Board Of Trustees Of The Leland Stanford University Combined atomic force and near field scanning optical microscope with photosensitive cantilever
US5493454A (en) 1994-10-04 1996-02-20 Quantum Corporation Write precompensation optimization in a PRML channel using a selected PRML signal level
JP3503767B2 (ja) 1994-10-21 2004-03-08 日本ビクター株式会社 光記録媒体
JP2736869B2 (ja) 1994-11-16 1998-04-02 株式会社オハラ 磁気ディスク基板の製造方法
US5510164A (en) 1994-12-16 1996-04-23 International Business Machines Corporation Single-sided ablative worm optical disk with multilayer protective coating
KR960030149A (ko) * 1995-01-28 1996-08-17 김광호 유기광기록매체
US5609990A (en) * 1995-02-08 1997-03-11 Imation Corp. Optical recording disk having a sealcoat layer
US5626886A (en) 1995-02-21 1997-05-06 Dai-Ichi Seiko Co., Ltd. Transfer molding machine for encapsulation of semiconductor devices
US5688574A (en) * 1995-03-14 1997-11-18 Hitachi Maxell, Ltd. Optical recording medium
GB2303811B (en) 1995-03-30 1998-10-21 Ag Technology Corp Method for producing a glass substrate for a magnetic disk
JPH08306069A (ja) * 1995-05-11 1996-11-22 Seiko Epson Corp 光ディスクおよび光ディスクの製造方法
US5537034A (en) 1995-05-19 1996-07-16 Quantum Corporation Method for mapping thermal asperities of a magnetic recording surface in data storage device
US5820769A (en) 1995-05-24 1998-10-13 Regents Of The University Of Minnesota Method for making magnetic storage having discrete elements with quantized magnetic moments
US5986045A (en) 1995-06-26 1999-11-16 Alliedsignal Inc. Poly(arylene ether) compositions and the method for their manufacture
US5726108A (en) 1995-07-24 1998-03-10 Yamamura Glass Co., Ltd. Glass-ceramic magnetic disk substrate
US5804017A (en) 1995-07-27 1998-09-08 Imation Corp. Method and apparatus for making an optical information record
US5723033A (en) 1995-09-06 1998-03-03 Akashic Memories Corporation Discrete track media produced by underlayer laser ablation
US6309580B1 (en) 1995-11-15 2001-10-30 Regents Of The University Of Minnesota Release surfaces, particularly for use in nanoimprint lithography
US5772905A (en) 1995-11-15 1998-06-30 Regents Of The University Of Minnesota Nanoimprint lithography
US5967030A (en) 1995-11-17 1999-10-19 Micron Technology, Inc. Global planarization method and apparatus
US5591501A (en) * 1995-12-20 1997-01-07 Energy Conversion Devices, Inc. Optical recording medium having a plurality of discrete phase change data recording points
US5691256A (en) 1995-12-28 1997-11-25 Yamamura Glass Co., Ltd. Glass composition for magnetic disk substrates and magnetic disk substrate
GB9601289D0 (en) 1996-01-23 1996-03-27 Nimbus Manufacturing Uk Limite Manufacture of optical data storage disc
US5669995A (en) 1996-01-29 1997-09-23 Hong; Gilbert H. Method for writing and reading data on a multi-layer recordable interferometric optical disc and method for fabricating such
TW366331B (en) 1996-02-02 1999-08-11 Ohara Kk A glass-ceramic substrate for a magnetic disk
US5855746A (en) 1996-02-28 1999-01-05 Western Digital Corporation Buffered nitrogenated carbon overcoat for data recording disks and method for manufacturing the same
JPH09237437A (ja) 1996-03-04 1997-09-09 Asahi Chem Ind Co Ltd 耐熱性の優れた光ディスク基板
US5807498A (en) 1996-03-29 1998-09-15 Alliant Techsystems Inc. Process and materials for aligning liquid crystals and liquid crystal optical elements
US5729393A (en) 1996-04-03 1998-03-17 Digital Papyrus Corporation Optical flying head with solid immersion lens having raised central surface facing medium
DE19616679C1 (de) 1996-04-26 1997-05-07 Schott Glaswerke Verfahren zur Herstellung chemisch vorgespannten Glases und Verwendung desselben
JPH09306034A (ja) 1996-05-20 1997-11-28 Sony Corp 光学式記録媒体
US5772906A (en) * 1996-05-30 1998-06-30 Lam Research Corporation Mechanism for uniform etching by minimizing effects of etch rate loading
ES2235237T3 (es) 1996-07-01 2005-07-01 Dyson Us Holdings, Inc Sustratos de disco magnetico formados de materiales compuestos de ceramica-matriz metalica con o sin revestimiento metalico.
US5948495A (en) 1996-07-01 1999-09-07 Alyn Corporation Ceramic-metal matrix composites for magnetic disk substrates for hard disk drives
US6144525A (en) * 1996-07-16 2000-11-07 Chang; Hao-Jan High density recording medium having a non-magnetic, metallic layer on a flexible substrate
JP3211683B2 (ja) 1996-07-18 2001-09-25 株式会社日立製作所 情報記録ディスク用ガラス基板
TW342495B (en) 1996-07-22 1998-10-11 Matsushita Electric Industrial Co Ltd Master information carrier, method of producing the same, and method for recording master information signal on magnetic recording medium
US5800895A (en) 1996-08-09 1998-09-01 Vygovsky; Eugene V. Beryllium memory disk substrate for computer hard disk drive and process for making
US5689480A (en) 1996-08-13 1997-11-18 The Board Of Trustees Of The Leland Stanford Junior University Magneto-optic recording system employing near field optics
WO1998008217A1 (en) 1996-08-23 1998-02-26 Sony Corporation Disc medium substrate and disc device
JPH1079122A (ja) 1996-09-04 1998-03-24 Hoya Corp 情報記録媒体用基板に適した材料の選定方法、この方法を用いて選定した材料、この材料を用いた基板及び磁気ディスク
US6214429B1 (en) 1996-09-04 2001-04-10 Hoya Corporation Disc substrates for information recording discs and magnetic discs
US5910940A (en) 1996-10-08 1999-06-08 Polaroid Corporation Storage medium having a layer of micro-optical lenses each lens generating an evanescent field
US5789756A (en) 1996-10-24 1998-08-04 Guzik Technical Enterprises Apparatus for measuring the flying height and orientation of a magnetic head relative to transparent medium based on frustrated total internal reflection
US6328920B1 (en) 1996-11-27 2001-12-11 Honda Engineering North America, Inc. Molding process for forming complex shapes
JPH10162483A (ja) 1996-11-29 1998-06-19 Sony Corp 記録再生方法および記録再生装置
US5859833A (en) 1997-09-02 1999-01-12 General Electric Company Optical disk grade copolyestercarbonates derived from hydroxyphenylindanols
JP3410342B2 (ja) 1997-01-31 2003-05-26 東京エレクトロン株式会社 塗布装置
JPH10247318A (ja) * 1997-03-05 1998-09-14 Mitsubishi Chem Corp 磁気ディスク及びその製造方法
US5879578A (en) 1997-03-12 1999-03-09 International Business Machines Corporation Etched/lubricated swage balls for use in DASD suspension-arm attachment
CN1074979C (zh) * 1997-03-21 2001-11-21 东丽株式会社 芳族聚酰胺膜及使用该膜的磁记录媒体
US6027801A (en) 1997-04-04 2000-02-22 Hitachi Maxell, Ltd. Magnetic recording medium
US6127017A (en) 1997-04-30 2000-10-03 Hitachi Maxell, Ltd. Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk
US6335843B2 (en) * 1997-05-23 2002-01-01 Sony Corporation Recording medium driving device
US6191053B1 (en) 1997-06-16 2001-02-20 Silicon Valley Group, Inc. High efficiency photoresist coating
US5911943A (en) 1997-07-07 1999-06-15 Minghetti; Ettore Method of thermoforming a sheet material
US6030681A (en) 1997-07-10 2000-02-29 Raychem Corporation Magnetic disk comprising a substrate with a cermet layer on a porcelain
US6055140A (en) * 1997-07-25 2000-04-25 Seagate Technology, Inc. Rigid disc plastic substrate with high stiffness insert
US5871514A (en) 1997-08-01 1999-02-16 Medtronic, Inc. Attachment apparatus for an implantable medical device employing ultrasonic energy
US5902172A (en) 1997-08-22 1999-05-11 Showa Aluminum Corporation Method of polishing memory disk substrate
EP0914926B1 (en) 1997-11-07 2002-09-11 Rohm And Haas Company Process and apparatus for forming plastic sheet
US6156422A (en) 1997-12-12 2000-12-05 Seagate Technology, Inc. High density magnetic recording medium with high Hr and low Mrt
JP3040386B2 (ja) * 1997-12-25 2000-05-15 日精樹脂工業株式会社 ディスク基板の射出成形用金型
US5972461A (en) 1998-01-06 1999-10-26 Imation Corp. Rewritable optical data storage disk having enhanced flatness
US5968627A (en) * 1998-01-15 1999-10-19 Flextor, Inc. Metal foil disk for high areal density recording in environments of high mechanical shock
US6154438A (en) * 1998-02-06 2000-11-28 Seagate Technology, Inc. Storage disk having surface variations that vary minimally in height relative to a datum
US6764734B2 (en) * 1998-05-19 2004-07-20 Seagate Technology Llc High modulus and high damping plastic composite disc substrate for improved servo control by injection and co-injection molding
CN1287663A (zh) 1998-08-31 2001-03-14 三洋电机株式会社 光磁记录媒体
US6207095B1 (en) * 1998-09-03 2001-03-27 Acushnet Company Process for manufacturing multi-layered cores
AU1444800A (en) 1998-10-09 2000-05-01 Trustees Of Princeton University, The Microscale patterning and articles formed thereby
US6146755A (en) * 1998-10-15 2000-11-14 International Business Machines Corporation High density magnetic recording medium utilizing selective growth of ferromagnetic material
US6225240B1 (en) 1998-11-12 2001-05-01 Advanced Micro Devices, Inc. Rapid acceleration methods for global planarization of spin-on films
US7179551B2 (en) * 1999-02-12 2007-02-20 General Electric Company Poly(arylene ether) data storage media
US6544667B1 (en) 1999-03-11 2003-04-08 Hitachi, Ltd. Magnetic recording medium, producing method of the same and magnetic recording system
US6248395B1 (en) 1999-05-24 2001-06-19 Komag, Inc. Mechanical texturing of glass and glass-ceramic substrates
US6232247B1 (en) 1999-09-01 2001-05-15 Micron Technology, Inc. Substrate coating apparatus and semiconductor processing method of improving uniformity of liquid deposition
JP2001266329A (ja) * 2000-03-16 2001-09-28 Minolta Co Ltd ディスク媒体用ガラス基板
US6878781B2 (en) 2001-03-27 2005-04-12 General Electric Poly(arylene ether)-containing thermoset composition in powder form, method for the preparation thereof, and articles derived therefrom
US6515098B1 (en) * 2001-07-02 2003-02-04 General Electric Company Vibration damping monolithic polymers

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004021343A1 (ja) * 2002-08-30 2004-03-11 Sony Corporation 光ディスク
US7596077B2 (en) 2002-08-30 2009-09-29 Sony Corporation Optical disk
US7962927B2 (en) 2002-08-30 2011-06-14 Sony Corporation Optical disk
JP2009054252A (ja) * 2007-08-28 2009-03-12 Konica Minolta Opto Inc 磁気記録媒体用基板、磁気記録媒体、及び磁気記録装置
WO2022004826A1 (ja) * 2020-07-03 2022-01-06 株式会社Uacj 磁気ディスク用基板及び当該磁気ディスク用基板を用いた磁気ディスク
JP2022013061A (ja) * 2020-07-03 2022-01-18 株式会社Uacj 磁気ディスク用基板及び当該磁気ディスク用基板を用いた磁気ディスク
JP7037600B2 (ja) 2020-07-03 2022-03-16 株式会社Uacj 磁気ディスク用基板及び当該磁気ディスク用基板を用いた磁気ディスク
JP7478766B2 (ja) 2020-07-03 2024-05-07 株式会社Uacj 磁気ディスク用基板及び当該磁気ディスク用基板を用いた磁気ディスク

Also Published As

Publication number Publication date
US20020048691A1 (en) 2002-04-25
CN100449616C (zh) 2009-01-07
WO2000048172A9 (en) 2002-01-03
US20080201937A1 (en) 2008-08-28
WO2000048172A2 (en) 2000-08-17
EP1166264A1 (en) 2002-01-02
US20020020484A1 (en) 2002-02-21
US20020081460A1 (en) 2002-06-27
US20040143958A1 (en) 2004-07-29
US6752952B2 (en) 2004-06-22
KR100755089B1 (ko) 2007-09-03
US20020025408A1 (en) 2002-02-28
US7299535B2 (en) 2007-11-27
CN1340187A (zh) 2002-03-13
KR20010102047A (ko) 2001-11-15
US20050233151A1 (en) 2005-10-20
US20020080712A1 (en) 2002-06-27
US7087290B2 (en) 2006-08-08
BR0008208A (pt) 2002-02-19
AU2880100A (en) 2000-08-29
US6715200B2 (en) 2004-04-06

Similar Documents

Publication Publication Date Title
JP2002536778A (ja) データ記憶媒体
US6077349A (en) Method and apparatus for manufacturing disc-shaped recording medium
US7300690B2 (en) Radial tilt reduced media
US7029742B2 (en) Storage medium for data
KR100697753B1 (ko) 정보 기록 매체
US20020093901A1 (en) First-side dual-layer optical data storage disk and method of manufacturing the same
JP2000149329A (ja) 情報記録担体及びその製造方法
JP4144872B2 (ja) フレキシブル光ディスク及びその製造方法
KR20040065474A (ko) 고강성 광 디스크 및 그의 제조 방법
WO2001027919A1 (fr) Support d'enregistrement magnéto-optique et enregistreur magnéto-optique
JPH11339381A (ja) 光記録媒体の装着方法
JP2002092945A (ja) 光学記録媒体およびその製造方法
JP2001155384A (ja) 情報記録ディスク
JPH06150372A (ja) 光記録媒体用基板および光記録媒体
JPWO2001027919A1 (ja) 光磁気記録媒体および光磁気記録装置
JP2003077175A (ja) 近接場光記録ディスク用基板及び近接場光記録ディスク
JPH05109056A (ja) 記録デイスクの製造方法
JP2001143325A (ja) 光情報記録媒体
JP2001344815A (ja) 光記録媒体
JP2000113509A (ja) 情報記録媒体

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051129

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051129

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051129

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20071024

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071106

RD13 Notification of appointment of power of sub attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7433

Effective date: 20071108

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20080205

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20080213

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20080306

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080312

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20080313

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20080609

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080723

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080815

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20081114

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20081121

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20081125

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090218

A045 Written measure of dismissal of application [lapsed due to lack of payment]

Free format text: JAPANESE INTERMEDIATE CODE: A045

Effective date: 20090618