JPS60142833U - 記録ディスク - Google Patents

記録ディスク

Info

Publication number
JPS60142833U
JPS60142833U JP1985017894U JP1789485U JPS60142833U JP S60142833 U JPS60142833 U JP S60142833U JP 1985017894 U JP1985017894 U JP 1985017894U JP 1789485 U JP1789485 U JP 1789485U JP S60142833 U JPS60142833 U JP S60142833U
Authority
JP
Japan
Prior art keywords
optically readable
readable recording
substrate
recording disk
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1985017894U
Other languages
English (en)
Other versions
JPH0333939Y2 (ja
Inventor
レオナルダス・ペトラス・ヨハネス・ホーヘフエーン
ヘンドリクス・ウイルヘルムス・コルネリウス・マリア・ペーテルス
アロイシウス・ミカエル・ヨセフス・マリア・スプルエイト
Original Assignee
エヌ・ベー・フイリツプス・フルーイランペンフアブリケン
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 エヌ・ベー・フイリツプス・フルーイランペンフアブリケン filed Critical エヌ・ベー・フイリツプス・フルーイランペンフアブリケン
Publication of JPS60142833U publication Critical patent/JPS60142833U/ja
Application granted granted Critical
Publication of JPH0333939Y2 publication Critical patent/JPH0333939Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/24018—Laminated discs
    • G11B7/24021—Laminated discs provided with a special shape or structure for centering or eccentricity prevention, e.g. alignment
    • 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
    • G11B7/24015—Air-sandwiched discs
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/211—Eccentric

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Packaging For Recording Disks (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
□　第１〜６図は本考案による交換自在の光学読取記録
ディスクの６つの例を示す一部断面とする斜視図である
。 Ｉｔ、　２１．３１．４１．５１．６１・・・・・・基
板、１２．２２．３２．４２．５２．６２・・・・・・
記録層、１３，２３，３３，４３，５３．６３・・・・
・・蓋、１４，１５，２４，２５，３４，３５，４４．
５４．６４・・・・・・環状手段、１６，２６，３６．
４６，５６．６６・・・・・・密封空所、１７，２７、
　３７．４７．５７．６７・・・・・・突出部分（保護
用周縁手段、環状外側縁部）、１８，２８，３８．４８
，５８，６８・・・・・・平衡用部分、２７Ａ。 ３７Ｇ、５７Ａ、６７Ａ・・・・・・周縁外側縁部。

Claims (1)

  1. 【実用新案登録請求の範囲】 １　平坦面および円形周縁を有する平坦な透明基板と、 この基板の平坦面上に位置し、放射ビームにより局部的
    に変形しうる記録層と、 基板の周縁付近で、記録層のうち少くとも記録が行なわ
    れる部分からある距離の位置で、環状手段により基板の
    平坦面に固着され、基板との間で空所を形成する蓋と、 基板の周縁の外径よりも大きな外径の外側縁部を有し、
    前記の環状手段の一部を構成する保護用周縁手段と を具える交換自在の光学読取記録ディスクにおいて、前
    記の保護用周縁手段から一部分を局部的に且つ選択的に
    除去するか、或いはこの保護用周縁手段に平衡用の質量
    を固着することにより、この保護用周縁手段を質量中心
    のいかなる偏心位置をも補正する平衡手段としても用い
    たことを特徴とする光学読取記録ディスク。 ２　実用新案登録請求の範囲第１に記載の光学読取記録
    ディスクにおいて、前記の環状手段と前記の周縁手段と
    を平坦なリングを以って一体に構成したことを特徴とす
    る光学読取記録ディスク。 ３　実用新案登録請求の範囲１に記載の光学読取記録デ
    ィスクにおいて、前記の環状手段には周縁外側縁部が設
    けられており、この周縁外側縁部は基板の周縁から放射
    方向のある距離の位置で前記の環状手段の縁部に対して
    垂直に延在し、この外側縁部に対向して平衡用質量が配
    置されていることを特徴とする光学読取記録ディスク。 ４　実用新案登録請求の範囲３に記載の光学読取記録デ
    ィスクにおいて、前記の平衡用質量は、前記の周縁外側
    縁部のうち記録ディスクの中心に対向する面上に位置さ
    れていることを特徴とする光学読取記録ディスク。 ５　実用新案登録請求の範囲１に記載の光学読取′記録
    ディスクにおいて、前記の蓋は基板よりも大きな外径寸
    法を有し、基板を越えて延在するこの蓋の部分を保護用
    周縁手段として作用させたことを特徴とする光学読取記
    録ディスク。
JP1985017894U 1984-02-14 1985-02-13 記録ディスク Granted JPS60142833U (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8400477 1984-02-14
NL8400477A NL8400477A (nl) 1984-02-14 1984-02-14 Optisch uitleesbare geheugenschijf.

Publications (2)

Publication Number Publication Date
JPS60142833U true JPS60142833U (ja) 1985-09-21
JPH0333939Y2 JPH0333939Y2 (ja) 1991-07-18

Family

ID=19843489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985017894U Granted JPS60142833U (ja) 1984-02-14 1985-02-13 記録ディスク

Country Status (15)

Country Link
US (1) US4622661A (ja)
JP (1) JPS60142833U (ja)
KR (1) KR900011241Y1 (ja)
BE (1) BE901720A (ja)
CA (1) CA1241441A (ja)
DD (1) DD232781A5 (ja)
DE (1) DE3505014C2 (ja)
ES (1) ES8606711A1 (ja)
FR (1) FR2559608B1 (ja)
GB (1) GB2154362B (ja)
HK (1) HK82291A (ja)
IT (1) IT1183233B (ja)
NL (1) NL8400477A (ja)
SG (1) SG50090G (ja)
SU (1) SU1438632A3 (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5130870A (en) * 1990-12-21 1992-07-14 Seagate Technology, Inc. Information storage disc balance weight
US6249509B1 (en) * 1994-09-29 2001-06-19 Tdk Corporation Optical device with protective cover
JPH1040578A (ja) * 1996-07-23 1998-02-13 Mitsubishi Chem Corp ディスク用基板
EP0985207A4 (en) * 1997-04-03 2000-03-15 Mikoh Corp Limited INFORMATION RECORDING PROCEDURE
AUPP231598A0 (en) * 1998-03-13 1998-04-09 Mikoh Technology Limited A method of recording information ii
WO1999005672A1 (en) * 1997-07-23 1999-02-04 Seagate Technology, Inc. Disk drive system, process and components thereof for improved disk stiffness
AU749161B2 (en) * 1998-03-13 2002-06-20 Mikoh Technology Limited Method of recording information
KR20000015452A (ko) * 1998-08-29 2000-03-15 윤종용 기울기 및 변위 보정수단을 가지는 광디스크
DE19850302A1 (de) * 1998-10-30 2000-05-04 Thomson Brandt Gmbh Ausgewuchtete Optische Disk
US6424488B1 (en) 1999-02-22 2002-07-23 Seagate Technology Llc Peripherally extending disc ring to limit disc deflection and to provide disc stack balancing
EP1043684A1 (de) 1999-03-29 2000-10-11 OMD Productions AG Informationsträger
AUPQ132699A0 (en) * 1999-07-01 1999-07-22 Tsun, Ka Ho Compact disc improvements
JP2002251845A (ja) * 2001-02-21 2002-09-06 Internatl Business Mach Corp <Ibm> ディスクドライブ装置、ヘッドアセンブリ、ピボットベアリング
US7227717B1 (en) * 2001-06-18 2007-06-05 Seagate Technology Llc Asymmetric disk surface properties in one head disk drives
TW200832390A (en) * 2007-01-24 2008-08-01 Daxon Technology Inc Optical disc with enforced structure
DE102007013899B4 (de) * 2007-03-20 2024-07-11 Oerlikon Trading Ag, Trübbach Verfahren zum Auswuchten eines Farbrades mit individuellen Auswuchtmassen entlang einer Führung
US8228626B2 (en) 2007-03-20 2012-07-24 Oerlikon Trading Ag, Trubbach Color wheel with individual balancing masses along a guide

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5621835U (ja) * 1979-07-26 1981-02-26
JPS57122009U (ja) * 1981-01-20 1982-07-29
JPS5914176A (ja) * 1982-07-15 1984-01-25 Matsushita Electric Ind Co Ltd 信号記録体

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1409568A (en) * 1921-05-10 1922-03-14 Pakeman Harry Record disk for graphophones and method of forming same
FR2180562A1 (ja) * 1972-04-21 1973-11-30 Le Sausse Robert
US3838464A (en) * 1972-10-24 1974-09-24 Nashua Corp Retaining ring for magnetic disc pack assembly
US3854347A (en) * 1973-08-15 1974-12-17 J Hellerich Dynamic balancing device for a computer disc memory
DE2344744C3 (de) * 1973-08-31 1978-06-08 Ullstein Av - Produktions- Und Vertriebsgesellschaft Mbh, 2000 Hamburg Transportschutz für einen plattenförmigen Informationsträger, insbesondere Bild- oder Bild-Ton-Platte
US4074282A (en) * 1976-05-13 1978-02-14 North American Philips Corporation Radiation-sensitive record with protected sensitive surface
DE2624380B1 (de) * 1976-05-31 1977-06-08 Polygram Gmbh Plattenfoermiger informationstraeger
DE2624375C3 (de) * 1976-05-31 1979-01-04 Polygram Gmbh, 2000 Hamburg Plattenförmiger Informationsträger für Bild- bzw. Videosignale
US4313190A (en) * 1979-01-15 1982-01-26 Discovision Associates Method for making a composite video disc
US4300803A (en) * 1979-09-14 1981-11-17 Plumbium Manufacturing Corporation Adhesive vehicle wheel weight and method
JPS5774842A (en) * 1980-10-24 1982-05-11 Mitsubishi Electric Corp Optical information recording disk
JPS5786173A (en) * 1980-11-17 1982-05-29 Toshiba Corp Recorder and reproducer
US4376963A (en) * 1980-12-19 1983-03-15 International Business Machines Corporation Composite magnetic recording disk
JPS57172541A (en) * 1981-04-15 1982-10-23 Toshiba Corp Information storage medium
JPS57172542A (en) * 1981-04-15 1982-10-23 Toshiba Corp Information storage medium
US4365258A (en) * 1981-05-18 1982-12-21 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
FR2524186B1 (fr) * 1982-03-23 1989-02-24 Thomson Csf Disque optique protege comprenant un element souple de fermeture
NL8300478A (nl) * 1983-02-09 1984-09-03 Philips Nv Optisch uitleesbare geheugenschijf.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5621835U (ja) * 1979-07-26 1981-02-26
JPS57122009U (ja) * 1981-01-20 1982-07-29
JPS5914176A (ja) * 1982-07-15 1984-01-25 Matsushita Electric Ind Co Ltd 信号記録体

Also Published As

Publication number Publication date
US4622661A (en) 1986-11-11
ES540287A0 (es) 1986-04-01
IT1183233B (it) 1987-10-15
CA1241441A (en) 1988-08-30
ES8606711A1 (es) 1986-04-01
JPH0333939Y2 (ja) 1991-07-18
SG50090G (en) 1990-08-31
DD232781A5 (de) 1986-02-05
GB2154362B (en) 1988-11-02
SU1438632A3 (ru) 1988-11-15
BE901720A (fr) 1985-08-12
NL8400477A (nl) 1985-09-02
DE3505014C2 (de) 1994-11-03
GB2154362A (en) 1985-09-04
GB8503679D0 (en) 1985-03-13
DE3505014A1 (de) 1985-08-14
FR2559608A1 (fr) 1985-08-16
FR2559608B1 (fr) 1988-12-09
KR900011241Y1 (ko) 1990-12-22
IT8519459A0 (it) 1985-02-11
HK82291A (en) 1991-11-01
KR850009772U (ko) 1985-12-05

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