DE69313592T2 - Verarbeitung von Compact-Discs - Google Patents

Verarbeitung von Compact-Discs

Info

Publication number
DE69313592T2
DE69313592T2 DE1993613592 DE69313592T DE69313592T2 DE 69313592 T2 DE69313592 T2 DE 69313592T2 DE 1993613592 DE1993613592 DE 1993613592 DE 69313592 T DE69313592 T DE 69313592T DE 69313592 T2 DE69313592 T2 DE 69313592T2
Authority
DE
Germany
Prior art keywords
discs
solution
aluminium
lacquer
polycarbonate
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.)
Expired - Fee Related
Application number
DE1993613592
Other languages
English (en)
Other versions
DE69313592D1 (de
Inventor
Han H Nee
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.)
Sony Music Holdings Inc
Original Assignee
Sony Music Entertainment Inc
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 Sony Music Entertainment Inc filed Critical Sony Music Entertainment Inc
Publication of DE69313592D1 publication Critical patent/DE69313592D1/de
Application granted granted Critical
Publication of DE69313592T2 publication Critical patent/DE69313592T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/0007—Preliminary treatment of ores or scrap or any other metal source
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0293—Dissolving the materials in gases or liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0293—Dissolving the materials in gases or liquids
    • B29B2017/0296—Dissolving the materials in aqueous alkaline solutions, e.g. NaOH or KOH
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • B29K2705/02—Aluminium
    • 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
    • B29L2009/00—Layered products
    • B29L2009/005—Layered products coated
    • 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
    • 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
    • G11B7/254—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
    • G11B7/258—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
    • G11B7/2585—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 aluminium
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling
DE1993613592 1992-11-23 1993-11-15 Verarbeitung von Compact-Discs Expired - Fee Related DE69313592T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/980,582 US5306349A (en) 1992-11-23 1992-11-23 Method for removing coatings from compact discs

Publications (2)

Publication Number Publication Date
DE69313592D1 DE69313592D1 (de) 1997-10-09
DE69313592T2 true DE69313592T2 (de) 1998-01-15

Family

ID=25527682

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993613592 Expired - Fee Related DE69313592T2 (de) 1992-11-23 1993-11-15 Verarbeitung von Compact-Discs

Country Status (12)

Country Link
US (1) US5306349A (de)
EP (1) EP0601719B1 (de)
JP (1) JPH06223416A (de)
AT (1) ATE157682T1 (de)
AU (1) AU655569B2 (de)
BR (1) BR9304782A (de)
CA (1) CA2102688A1 (de)
DE (1) DE69313592T2 (de)
DK (1) DK0601719T3 (de)
ES (1) ES2107629T3 (de)
GR (1) GR3025508T3 (de)
MX (1) MX9307216A (de)

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DE69722932T2 (de) * 1996-04-19 2004-05-13 Teijin Chemicals Ltd. Verfahren zum wiedergewinnen von harzen
US5817183A (en) * 1996-08-12 1998-10-06 General Electric Company Method for removing coatings from thermoplastic substrates
FR2757671A1 (fr) * 1996-12-24 1998-06-26 Messant Gerard Procede et installation de recuperation selective de supports audio et videogrammes voues a la destruction
JP3528897B2 (ja) 1997-03-14 2004-05-24 ソニー株式会社 光ディスクのリサイクル方法
JP3528898B2 (ja) 1997-03-14 2004-05-24 ソニー株式会社 光ディスクのリサイクル方法
US6066229A (en) * 1997-07-10 2000-05-23 Sony Corporation Method of recycling disk recording medium and apparatus for recovering metal reflective film
KR19990013723A (ko) * 1997-07-10 1999-02-25 이데이노부유키 디스크 기록매체의 재생방법 및 금속반사막 재생장치
AUPQ747100A0 (en) * 2000-05-11 2000-06-08 Geo2 Limited Delamination process
NL1015316C1 (nl) * 2000-05-26 2001-11-27 Innocleaning Concepts Holding Reinigingsmiddel voor het verwijderen van kauwgomresten, alsmede werkwijze voor de bereiding daarvan.
US6436197B1 (en) 2000-09-05 2002-08-20 Metss Corporation Optical media demetallization process
DK1344212T3 (da) * 2000-12-14 2008-12-08 Ecd Systems Inc Fremgangsmåde til bestemmelse af autenticiteten af et optisk registreringsmedium og optisk registreringsmedium
US7562396B2 (en) * 2001-08-21 2009-07-14 Ecd Systems, Inc. Systems and methods for media authentication
US7643393B2 (en) 2001-12-12 2010-01-05 Ecd Systems, Inc. Systems and methods for optical media modification
US7716485B2 (en) 2002-02-01 2010-05-11 Sca Ipla Holdings Inc. Systems and methods for media authentication
EP1491310B1 (de) * 2002-05-16 2009-07-01 Panasonic Corporation Verfahren und vorrichtung zum lösen einer metall-harz-verbindung
US6867793B2 (en) 2002-05-31 2005-03-15 Hewlett-Packard Development Company, L.P. Method and materials for entitling compact discs
TW537954B (en) * 2002-06-20 2003-06-21 Far East College Method for separating substrate and film material of optical recording medium by means of ultrasonic waves
AU2003268622A1 (en) * 2002-09-06 2004-03-29 Basf Corporation Method of removing coatings from plastic articles
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CN100400186C (zh) * 2003-04-03 2008-07-09 远东技术学院 解离光记录媒体基板和其薄膜材料的方法
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US8258481B2 (en) * 2005-04-25 2012-09-04 Sony Dadc Us Inc. System and method for selectively enabling or disabling an optical device
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US8185996B2 (en) * 2009-03-13 2012-05-29 Palo Alto Research Center Incorporated System and method of solid ink removal for substrate re-use
CN102416400A (zh) * 2011-10-10 2012-04-18 南昌航空大学 废旧光盘处理装置
CN102585582B (zh) * 2012-02-24 2013-08-14 北京泰合源通生物科技有限公司 一种剥离光盘保护胶层和印刷层的溶液及方法
JP2014047308A (ja) 2012-08-31 2014-03-17 Sony Corp 樹脂組成物及び樹脂成型体
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Also Published As

Publication number Publication date
BR9304782A (pt) 1994-06-14
DE69313592D1 (de) 1997-10-09
AU655569B2 (en) 1994-12-22
MX9307216A (es) 1994-05-31
CA2102688A1 (en) 1994-05-24
ATE157682T1 (de) 1997-09-15
AU5047193A (en) 1994-06-02
EP0601719B1 (de) 1997-09-03
ES2107629T3 (es) 1997-12-01
US5306349A (en) 1994-04-26
EP0601719A1 (de) 1994-06-15
JPH06223416A (ja) 1994-08-12
DK0601719T3 (da) 1998-03-23
GR3025508T3 (en) 1998-02-27

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee