JPS60193143A - 光デイスク - Google Patents

光デイスク

Info

Publication number
JPS60193143A
JPS60193143A JP59049604A JP4960484A JPS60193143A JP S60193143 A JPS60193143 A JP S60193143A JP 59049604 A JP59049604 A JP 59049604A JP 4960484 A JP4960484 A JP 4960484A JP S60193143 A JPS60193143 A JP S60193143A
Authority
JP
Japan
Prior art keywords
disk
serial number
manufacturer
recording film
information
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.)
Pending
Application number
JP59049604A
Other languages
English (en)
Inventor
Hiromasa Funakoshi
裕正 船越
Noboru Wakami
昇 若見
Yoshikazu Goto
芳和 後藤
Yasuhiko Tanigawa
谷川　鎮彦
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP59049604A priority Critical patent/JPS60193143A/ja
Publication of JPS60193143A publication Critical patent/JPS60193143A/ja
Pending 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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06018—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding
    • G06K19/06028—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding using bar codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
    • G11B23/36—Signals on record carriers or on containers and recorded by the same method as the main recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/40—Identifying or analogous means applied to or incorporated in the record carrier and not intended for visual display simultaneously with the playing-back of the record carrier, e.g. label, leader, photograph
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • 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

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

【発明の詳細な説明】 産業上の利用分野 本発明は光学的に情報を記録あるい、は再生する光ディ
スクに関するものである。
従来例の構成とその問題点 近年、情報信号を高密度で記録あるいは再生できる光デ
ィスクが注目されている。
光ディスクの製造工程は第１図に示すような４つの工程
よりなる。第１の工程は光ディスクの原盤を作成する工
程で、普通ガラス円板に７オトレジストを塗布し、それ
に高パワーのレーザーを照射して情報トラックあるいは
トラックアドレス用の溝を形成する。第２の工程はスタ
ンバ工程で、原盤にニッケル等の電鋳によってスタンパ
ディスクを作成する。第３の工程はレプリカ工程で、ス
タンパディスクから紫外線硬化樹脂や射出成形等により
情報トラックを写し取り大量のレプリカデ・イスクを作
成する。第４の工程は蒸着工程で、レプリカディスクに
記録用光ディスクの場合は記録材料を蒸着し、再生専用
光ディスクの場合はアルミを蒸着する。以上の４つの工
程をへて光ディスクは完成するが、工程管理あるいは光
ディスクの管理をするために製造番号等の識別情報を光
デイスク上に設ける必要がある。このため、従来の光デ
ィスクではレプリカ工程後あるいは蒸着工程後に製造番
号等の識別情報をインク等で印刷していた。かかる方法
では印刷時点で情報トラックにゴミ等が付着した石、印
刷以降に不注意によシインクが情報トラックに付着する
ことがあり、光ディスクの品質上問題があった。また製
造番号等の識別情報を自動的に読み取ることが困難であ
るため、工程管理、出荷検査の自動化がむつかしいとい
う欠点があった。
発明の目的 本発明は上記従来の問題点を解消するもので、ディスク
品質を損なわず、また工程管理、出荷検査の自動化が容
易に行える、光デイスク製造番号等の識別情報を設けた
光ディスクを提供することを目的とする。
発明の構成 本発明は、光ディスクの製造番号等の識別情報を記録膜
蒸着用の蒸着膜によシ記録し、光学的にも、人間にも読
み取シ可能な製造番号等の識別情報を備えた光ディスク
であり、自動読み取りできることによシ、工程管理の自
動化を図り省力化できるものである。
実施例の説明 第２図は、本発明の実施例における光ディスクの概略図
である。第３図は、ディスク製造番号等の識別情報だけ
を拡大したものであり、２１は光学的読み取り用光デイ
スク製造番号、２２は光デイスク製造番号のスタート信
号、２３はエンド信号、２４は肉眼でも読み取り可能な
光デイスク製造番号である。
以上のように構成されたこの実施例の光ディスクについ
て、以下説明する。この実施例においては、情報領域の
有効利用を図るため、ディスク製造番号２１，２４Ｕデ
ィスク内周に記録している。
ディスク製造番号２１は１桁を４ビツトのＢＣＤコード
で表していて、各ビットは記録膜の蒸着欠陥等の影響を
受けないような長さく低周波）で記録している。また、
ディスク製造番号２’１，２４゜スタート、エンド信号
２２．２３は内周の記録膜蒸着領域を制限する、遮断材
にスリット黙のものを取付けることにより、記録膜の有
無によって記録している。このディスクの検査を行う場
合、ディスク１１をディスクモータに装着回転させ、デ
ィスク１１上の製造番号２１、スタート信号２２、エン
ド信号２３に対して、フォトダイオード、フォトトラン
ジスタ等の光学手段を用いて光を照射、はね返ってくる
光によりこれらの情報を読み取ることができる。スター
ト信号２２、エンド信号２３により、製造番号２１の始
終を知ることができる。
また、ディスク製造番号２４は、人間が読み取り識別を
行う場合に利用し、光学的手段を用いなくてもディスク
製造番号を即時識別できる。
以上のようにこの実施例によれば、ディスク製造番号を
ピント状で記録膜蒸着時に、記録膜の有無によって記録
することにより、蒸着欠陥等の影響を受けることなく光
学的にも、人間にも読み取シ識別できる。
なお、この実施例においては製造番号２１はＢＣＤコー
ドで記録したがバーコードでもよい。また、蒸着膜の記
録はディスク製造番号２’１．．２４゜スタート、エン
ド信号２２．２３だけだったが、記録膜蒸着を制限する
遮断材に、様々のスリットを入れることによシ、商品名
等を入れることも可能である。
発明の効果 本発明の光ディスクは、光学的にも人間にも読み取９可
能々ように、ディスク製造番号等の識別情報を記録膜蒸
着時に記録することにより、よりドロングアウドの少い
高性な光ディスクを得ることができ、また製造番号等の
識別情報の自動読み取りができ、ディスク製造、検査な
どの工程管理の自動化が可能となシ省力化でき、その実
用的効果は大きい。
【図面の簡単な説明】
第１図は光ディスクの製造工程を示すブロック−図、第
２図は本発明の一実施例における光ディスクの概略平面
図、第３図は同光ディスクの製造番号情報部のみを拡大
した図である。 １１・・・・・・光ディスク、１２．・・・・・・トラ
ンク、１３・・・・・・製造番号情報部、２１・・・・
・・光学的読み取り用製造番号、２２・・・・・・製造
番号スタート信号、２３・・・・・・製造番号エンド信
号、２４・・・・・・肉眼での読み取シ用製造番号。 代理人の氏名　弁理士　中　尾　敏　男　ほか１名第１
図 第３図 凹　Ｈ目ロロ凹 　２３４ ４

Claims (2)

    【特許請求の範囲】
  1. （１）ディスク上にあらかじめ、アドレス情報もしくは
    信号情報がフォーマツティングされたスパイラルもしく
    は同心円状のトラックを有する光ディスクに、光ディス
    クの識別情報を記録膜蒸着用の蒸着膜により設けたこと
    を特徴とする光ディスク。
  2. （２）上記光ディスクの識別情報は、上記アドレス情報
    、上記信号情報と比較して低周波であり光学的に読み取
    シ可能であることを特徴とする特許請求の範囲第１項記
    載の光ディスク。 ０）上記光ディスクの識別情報は、人間にも読み取り可
    能な情報であることを特徴とする特許請求の範囲第１項
    記載の光ディスク。
JP59049604A 1984-03-15 1984-03-15 光デイスク Pending JPS60193143A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59049604A JPS60193143A (ja) 1984-03-15 1984-03-15 光デイスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59049604A JPS60193143A (ja) 1984-03-15 1984-03-15 光デイスク

Publications (1)

Publication Number Publication Date
JPS60193143A true JPS60193143A (ja) 1985-10-01

Family

ID=12835835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59049604A Pending JPS60193143A (ja) 1984-03-15 1984-03-15 光デイスク

Country Status (1)

Country Link
JP (1) JPS60193143A (ja)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0290084A2 (de) * 1987-05-08 1988-11-09 Philips and Du Pont Optical Deutschland GmbH Verfahren zur Markierung von plattenförmigen Informationsträgern
EP0329122A2 (en) * 1988-02-19 1989-08-23 Philips and Du Pont Optical Company Method for affixing information on read-only optical disks
EP0420206A2 (en) * 1989-09-29 1991-04-03 Kabushiki Kaisha Toshiba Binary signal detector
EP0643391A1 (en) * 1993-09-07 1995-03-15 Hitachi, Ltd. Information recording media, optical disc and playback system
WO1997014146A1 (fr) * 1995-10-09 1997-04-17 Matsushita Electric Industrial Co., Ltd. Disque optique; procede de formation de codes barres pour disque optique; appareil de reproduction de disque optique, et procede de marquage; procede de marquage au laser pour disque optique, et procede de fabrication de disque optique
US5751671A (en) * 1994-04-26 1998-05-12 Hitachi, Ltd. Information recording media and optical disk, disk having specific data so that a visible pattern of characters or graphics appear on a copy disk
EP0785547A3 (en) * 1996-01-16 1998-08-05 International Business Machines Corporation Unique identifier for optical media
EP0930560A2 (en) * 1998-01-20 1999-07-21 Fujitsu Limited Storage unit, storage medium and identification information recording method
US6112222A (en) * 1998-08-25 2000-08-29 International Business Machines Corporation Method for resource lock/unlock capability in multithreaded computer environment
US6144742A (en) * 1996-05-16 2000-11-07 Mitsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
EP1182660A2 (en) * 2000-08-18 2002-02-27 Sony Corporation Disk cartridge, a method of manufacturing same, and a recording/reproducing system
EP1414034A2 (en) * 1995-10-09 2004-04-28 Matsushita Electric Industrial Co., Ltd. Optical disk, optical recorder, optical reproducer, cryptocommunication system and program license system
US7191154B2 (en) 1995-10-09 2007-03-13 Matsushita Electric Industrial Co., Ltd. Apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption

Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0290084A2 (de) * 1987-05-08 1988-11-09 Philips and Du Pont Optical Deutschland GmbH Verfahren zur Markierung von plattenförmigen Informationsträgern
EP0329122A2 (en) * 1988-02-19 1989-08-23 Philips and Du Pont Optical Company Method for affixing information on read-only optical disks
EP0420206A2 (en) * 1989-09-29 1991-04-03 Kabushiki Kaisha Toshiba Binary signal detector
US5875156A (en) * 1993-07-09 1999-02-23 Hitachi, Ltd. Playback system for an optical disc representing a character or a graphic pattern formed by specified pit patterns
EP0643391A1 (en) * 1993-09-07 1995-03-15 Hitachi, Ltd. Information recording media, optical disc and playback system
US5608717A (en) * 1993-09-07 1997-03-04 Hitachi, Ltd. Information recording media and optical disc presenting a character or a graphic pattern formed by specified pit patterns on data tracks
US5737306A (en) * 1993-09-07 1998-04-07 Hitachi, Ltd. Playback system for an optical disc presenting a character or a graphic pattern formed by specified pit patterns on data tracks
US5751671A (en) * 1994-04-26 1998-05-12 Hitachi, Ltd. Information recording media and optical disk, disk having specific data so that a visible pattern of characters or graphics appear on a copy disk
US6285764B1 (en) 1995-10-09 2001-09-04 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US7191154B2 (en) 1995-10-09 2007-03-13 Matsushita Electric Industrial Co., Ltd. Apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption
EP1003162A1 (en) * 1995-10-09 2000-05-24 Matsushita Electric Industrial Co., Ltd. An optical disk and an optical disk reproduction apparatus
EP1005035A1 (en) * 1995-10-09 2000-05-31 Matsushita Electric Industrial Co., Ltd. An optical disk and an optical disk reproduction apparatus
EP1005033A1 (en) * 1995-10-09 2000-05-31 Matsushita Electric Industrial Co., Ltd. An optical disk and an optical disk reproduction apparatus
EP1005034A1 (en) * 1995-10-09 2000-05-31 Matsushita Electric Industrial Co., Ltd. An optical disk carrying barcoded information
US7520001B2 (en) 1995-10-09 2009-04-14 Panasonic Corporation Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6298138B1 (en) 1995-10-09 2001-10-02 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
EP1439534A3 (en) * 1995-10-09 2006-11-29 Matsushita Electric Industrial Co., Ltd. Optical disk, optical recorder, optical reproducer, cryptocommunication system and program license system
EP1414034A3 (en) * 1995-10-09 2006-11-22 Matsushita Electric Industrial Co., Ltd. Optical disk, optical recorder, optical reproducer, cryptocommunication system and program license system
US6122373A (en) * 1995-10-09 2000-09-19 Matsushita Electric Industrial Co., Ltd. Optical disk, optical disk barcode forming method, optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6125181A (en) * 1995-10-09 2000-09-26 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6128388A (en) * 1995-10-09 2000-10-03 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6141419A (en) * 1995-10-09 2000-10-31 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US7110544B2 (en) 1995-10-09 2006-09-19 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6160888A (en) * 1995-10-09 2000-12-12 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6285763B1 (en) 1995-10-09 2001-09-04 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6208736B1 (en) 1995-10-09 2001-03-27 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6229896B1 (en) 1995-10-09 2001-05-08 Matsushita Electric Industrial, Co., Ltd. Optical disk, an optical barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6278671B1 (en) 1995-10-09 2001-08-21 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
WO1997014146A1 (fr) * 1995-10-09 1997-04-17 Matsushita Electric Industrial Co., Ltd. Disque optique; procede de formation de codes barres pour disque optique; appareil de reproduction de disque optique, et procede de marquage; procede de marquage au laser pour disque optique, et procede de fabrication de disque optique
US6285762B1 (en) 1995-10-09 2001-09-04 Matsushita Electric Industrial Co., Ltd. Optical disk, optical disk barcode forming method, optical disk reproduction apparatus, marking forming apparatus, method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US7103781B2 (en) 1995-10-09 2006-09-05 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US7827111B2 (en) 1995-10-09 2010-11-02 Panasonic Corporation Recording medium reproducer, cryptocommunication system and program license system
US6175629B1 (en) 1995-10-09 2001-01-16 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6052465A (en) * 1995-10-09 2000-04-18 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6449366B1 (en) 1995-10-09 2002-09-10 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
US6457128B1 (en) 1995-10-09 2002-09-24 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
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US6480960B1 (en) 1995-10-09 2002-11-12 Matsushita Electric Industrial Co., Ltd. Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
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