ES2076942T3 - Medio optico de registro de informacion. - Google Patents

Medio optico de registro de informacion.

Info

Publication number
ES2076942T3
ES2076942T3 ES89106811T ES89106811T ES2076942T3 ES 2076942 T3 ES2076942 T3 ES 2076942T3 ES 89106811 T ES89106811 T ES 89106811T ES 89106811 T ES89106811 T ES 89106811T ES 2076942 T3 ES2076942 T3 ES 2076942T3
Authority
ES
Spain
Prior art keywords
absorptive layer
light
light absorptive
optical media
information record
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 - Lifetime
Application number
ES89106811T
Other languages
English (en)
Other versions
ES2076942T5 (es
Inventor
Emiko Hamada
Yuji Arai
Yuaki Shin
Takashi Ishiguro
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.)
Taiyo Yuden Co Ltd
Original Assignee
Taiyo Yuden 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27566446&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2076942(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP63238456A external-priority patent/JPH07105071B2/ja
Priority claimed from JP63239166A external-priority patent/JP2547384B2/ja
Priority claimed from JP63239164A external-priority patent/JPH0796337B2/ja
Priority claimed from JP63239167A external-priority patent/JPH0827979B2/ja
Priority claimed from JP63239163A external-priority patent/JPH07105065B2/ja
Application filed by Taiyo Yuden Co Ltd filed Critical Taiyo Yuden Co Ltd
Application granted granted Critical
Publication of ES2076942T3 publication Critical patent/ES2076942T3/es
Publication of ES2076942T5 publication Critical patent/ES2076942T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • G11B7/247—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes
    • G11B7/2472—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes cyanine
    • 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
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00452—Recording involving bubble or bump forming

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Holo Graphy (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

UN MEDIO DE GRABACION DE INFORMACION OPTICA COMPRENDIENDO UN SUBSTRATO TRANSMITIENDO LUZ, UNA CAPA ABSORBEDORA DE LUZ SUPERPUESTA AL SUBSTRATO PARA ABSORBER UN HAZ DE LASER Y UNA CAPA REFLECTORA DE LUZ SUPERPUESTA A LA CAPA DE ABSORCION DE LUZ, EN DONDE UN PARAMETRO OPTICO REPRESENTADO POR DONDE ES LA PARTE REAL DEL INDICE COMPLEJO DE REFRACCION DE LA CAPA DE ABSORCION DE LUZ, ES EL ESPESOR DE LA CAPA DE ABSORCION DE LUZ Y ES LA LONGITUD DE ONDA DE UN RAYO LASER DE LECTURA, ES (MENOR O IGUAL) 0,06 Y (MAYOR O IGUAL) 0,05, Y LA PARTE IMAGINARIA KABS DEL INDICE COMPLEJO DE REFRACCION DE LA CAPA DE ABSORCION DE LUZ ES COMO MAXIMO 0,3.
ES89106811T 1988-07-30 1989-04-17 Medio optico de registro de informacion. Expired - Lifetime ES2076942T5 (es)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP19171488 1988-07-30
JP21447088 1988-08-29
JP63238456A JPH07105071B2 (ja) 1988-09-22 1988-09-22 光情報記録媒体
JP63239166A JP2547384B2 (ja) 1988-09-24 1988-09-24 光情報記録媒体の製造方法
JP63239164A JPH0796337B2 (ja) 1988-09-24 1988-09-24 光情報記録媒体
JP63239167A JPH0827979B2 (ja) 1988-09-24 1988-09-24 光情報記録媒体
JP63239163A JPH07105065B2 (ja) 1988-09-24 1988-09-24 光情報記録媒体

Publications (2)

Publication Number Publication Date
ES2076942T3 true ES2076942T3 (es) 1995-11-16
ES2076942T5 ES2076942T5 (es) 2000-01-16

Family

ID=27566446

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89106811T Expired - Lifetime ES2076942T5 (es) 1988-07-30 1989-04-17 Medio optico de registro de informacion.

Country Status (14)

Country Link
US (1) US5090009A (es)
EP (1) EP0353393B2 (es)
KR (1) KR950005964B1 (es)
AT (1) ATE125381T1 (es)
AU (1) AU608158B2 (es)
CA (1) CA1326710C (es)
DE (1) DE68923494T3 (es)
DK (1) DK174000B1 (es)
ES (1) ES2076942T5 (es)
FI (1) FI893563A (es)
HK (1) HK86796A (es)
MY (1) MY106967A (es)
PH (1) PH26094A (es)
PT (1) PT91309B (es)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449587A (en) * 1988-12-15 1995-09-12 Mitsui Toatsu Chemicals, Incorporated Compact disk-write once type optical recording media
JPH0827983B2 (ja) 1989-05-02 1996-03-21 太陽誘電株式会社 光情報記録媒体
US5270150A (en) * 1990-04-25 1993-12-14 Victor Company Of Japan, Ltd. Optical recording medium and process for producing it
JP3126411B2 (ja) * 1990-06-22 2001-01-22 三井化学株式会社 光記録媒体及び記録方法
US5274623A (en) * 1990-07-19 1993-12-28 Fuji Photo Film Co., Ltd. Information recording medium having high modulation degree
JP3026356B2 (ja) * 1990-10-04 2000-03-27 パイオニア株式会社 光記録媒体
JP3026357B2 (ja) * 1990-10-04 2000-03-27 パイオニア株式会社 光記録媒体
JP3026358B2 (ja) * 1990-10-09 2000-03-27 パイオニア株式会社 光記録媒体
JP3109866B2 (ja) * 1990-11-17 2000-11-20 太陽誘電株式会社 光学式情報記録担体用基板及びその製造方法
JPH04259593A (ja) * 1991-02-13 1992-09-16 Pioneer Electron Corp 光記録媒体
JP3137740B2 (ja) * 1991-06-06 2001-02-26 ティーディーケイ株式会社 光記録再生方法
US5272047A (en) * 1992-06-26 1993-12-21 Eastman Kodak Company Optical information recording medium using azo dyes
US5419939A (en) * 1992-09-24 1995-05-30 Tdk Corporation Optical recording disk
CA2110233C (en) 1992-12-02 1999-01-12 Mitsui Toatsu Chemicals, Incorporated Optical information recording medium and composition for optical information recording film
TW325477B (en) * 1992-12-23 1998-01-21 Ciba Sc Holding Ag Thermochromic compounds, their preparation and the use thereof
US6168901B1 (en) 1993-01-08 2001-01-02 Eastman Kodak Company Recordable optical element using low absorption materials
US5474874A (en) * 1993-02-16 1995-12-12 Sony Corporation Optical recording medium
US5356685A (en) * 1993-02-19 1994-10-18 Eastman Kodak Company Recordable optical element having a leuco dye
US5362536A (en) * 1993-02-19 1994-11-08 Eastman Kodak Company Recordable optical element having a leuco dye
US5326677A (en) * 1993-02-19 1994-07-05 Eastman Kodak Company Optical retrieval apparatus using a tellurium (IV) leuco dye
JPH0765414A (ja) * 1993-08-23 1995-03-10 Hitachi Ltd 情報記録用媒体
US5426015A (en) * 1993-10-18 1995-06-20 Eastman Kodak Company Metallized azo dianion with two cationic dye counter ions for optical information recording medium
KR100313567B1 (ko) * 1994-02-28 2001-12-28 윤종용 유기광기록매체및그의재기록방지방법
US5633106A (en) * 1994-04-08 1997-05-27 Mitsui Toatsu Chemicals, Inc. Optical recording media and a method of recording and reproducing information
US5518789A (en) 1994-05-17 1996-05-21 Eastman Kodak Company Thioether containing photopolymerizable compositions
US5458941A (en) * 1994-06-09 1995-10-17 Minnesota Mining And Manufacturing Company Optical recording medium exhibiting eutectic phase equilbria
US5547728A (en) * 1994-09-23 1996-08-20 Eastman Kodak Company Optical recording elements having recording layers containing mixtures of formazan and cyanine dyes
US5658707A (en) * 1994-10-18 1997-08-19 Mitsui Toatsu Chemicals, Inc. Optical recording media
US5547727A (en) * 1994-12-13 1996-08-20 Eastman Kodak Company Optical recording elements having recording layers containing cationic azo dyes
US5470626A (en) * 1995-02-21 1995-11-28 Eastman Kodak Company Optical recording layers containing sulfur
EP0736865A1 (en) * 1995-04-06 1996-10-09 Eastman Kodak Company Dye solution containing hindered solvent functionality
US5585158A (en) * 1995-06-07 1996-12-17 Eastman Kodak Company Recordable optical element using low absorption materials
US5667860A (en) 1995-11-14 1997-09-16 Eastman Kodak Company Optical recording elements having recording layers exhibiting reduced bubble formation
US5728441A (en) * 1995-12-01 1998-03-17 Samsung Electronics Co., Ltd. Recordable/replayable optical recording medium and optical recording method therefor
US5770293A (en) * 1996-04-12 1998-06-23 Eastman Kodak Company Method of forming recordable optical element using low absorption materials
US5725741A (en) * 1996-04-12 1998-03-10 Eastman Kodak Company Method of forming recordable optical element using low absorption materials
US5695843A (en) * 1996-09-27 1997-12-09 Eastman Kodak Company Mixtures of symmetrical and unsymmetrical nickel formazan dyes
KR100230448B1 (ko) * 1996-10-10 1999-11-15 윤종용 광기록매체
KR100230449B1 (ko) * 1996-10-10 1999-11-15 윤종용 광기록매체
US5952073A (en) * 1996-11-08 1999-09-14 Media Chemical Corp. Dye composition for optical recording media having selected anions
US5817388A (en) * 1996-11-08 1998-10-06 Carl M. Rodia & Associates Multi-component dye compositions for optical recording media
JPH11102538A (ja) 1997-08-01 1999-04-13 Taiyo Yuden Co Ltd 光情報記録媒体
US5882760A (en) * 1997-11-17 1999-03-16 Eastman Kodak Company Recordable optical disks with metallic interlayer
US6020041A (en) * 1997-12-15 2000-02-01 Eastman Kodak Company Performance recording media for recordable element using gold reflector
US6007887A (en) * 1997-12-15 1999-12-28 Eastman Kodak Company Performance recording media for recordable element using silver reflector
JP3697896B2 (ja) 1998-01-23 2005-09-21 株式会社デンソー 光情報記録媒体およびその製造方法
US6144631A (en) * 1998-04-30 2000-11-07 Mitsubishi Chemical Corporation Information recording medium, and readout method and readout apparatus therefor
US7384677B2 (en) 1998-06-22 2008-06-10 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
US7314657B2 (en) * 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6852384B2 (en) * 1998-06-22 2005-02-08 Han H. Nee Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6007889A (en) * 1998-06-22 1999-12-28 Target Technology, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6790503B2 (en) * 1998-06-22 2004-09-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7045187B2 (en) * 1998-06-22 2006-05-16 Nee Han H Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6764735B2 (en) 1998-06-22 2004-07-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6905750B2 (en) * 1998-06-22 2005-06-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6544616B2 (en) 2000-07-21 2003-04-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6451402B1 (en) 1998-06-22 2002-09-17 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6077584A (en) * 1998-07-24 2000-06-20 Media Chemical Corp. Stabilized dye compositions for optical recording media
US6565939B2 (en) 1998-09-24 2003-05-20 Fuji Photo Film Co., Ltd. Optical information-recording medium and method for recording information
DE69922611T2 (de) * 1998-10-21 2005-11-03 Mitsubishi Chemical Corp. Optisches Aufzeichnungsmedium und optisches Aufzeichnungsverfahren
JP2000268402A (ja) * 1999-03-15 2000-09-29 Fuji Photo Film Co Ltd 光情報記録媒体
JP3548929B2 (ja) * 1999-03-23 2004-08-04 太陽誘電株式会社 光情報記録媒体
US6292457B1 (en) 1999-03-31 2001-09-18 Eastman Kodak Company Recordable optical media with a silver-gold reflective layer
DE19932902A1 (de) 1999-07-12 2001-01-25 Beiersdorf Ag Datenspeicher
JP2001155383A (ja) * 1999-11-26 2001-06-08 Sony Corp 光記録媒体
US6242068B1 (en) 1999-12-28 2001-06-05 Eastman Kodak Company Recordable optical media with a silver-palladium reflective layer
DE10008328A1 (de) * 2000-02-23 2002-01-31 Tesa Ag Datenspeicher
DE10028113A1 (de) * 2000-06-07 2001-12-20 Beiersdorf Ag Datenspeicher
US7314659B2 (en) * 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
US7374805B2 (en) * 2000-07-21 2008-05-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7316837B2 (en) * 2000-07-21 2008-01-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
DE10039372C2 (de) * 2000-08-11 2003-05-15 Tesa Scribos Gmbh Holographischer Datenspeicher
DE10039370A1 (de) * 2000-08-11 2002-02-28 Eml Europ Media Lab Gmbh Holographischer Datenspeicher
DE10039374A1 (de) * 2000-08-11 2002-02-21 Eml Europ Media Lab Gmbh Holographischer Datenspeicher
DE10060235A1 (de) * 2000-12-05 2002-06-13 Tesa Ag Verwendung eines Packbands als holographischer Datenträger
DE10128901A1 (de) * 2001-06-15 2002-12-19 Tesa Ag Verfahren zum Eingeben von Information in einen optisch beschreibbaren und auslesbaren Datenspeicher
DE10128902A1 (de) * 2001-06-15 2003-10-16 Tesa Scribos Gmbh Holographischer Datenspeicher
AU2003248890A1 (en) * 2002-07-08 2004-01-23 Academy Corporation Reflective or semi-reflective metal alloy coatings
US7572517B2 (en) * 2002-07-08 2009-08-11 Target Technology Company, Llc Reflective or semi-reflective metal alloy coatings
TWI368819B (en) * 2003-04-18 2012-07-21 Target Technology Co Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
JP2005100600A (ja) * 2003-09-01 2005-04-14 Fuji Photo Film Co Ltd 光記録媒体
DE602004004524T2 (de) 2004-07-29 2007-11-08 Clariant Finance (Bvi) Ltd., Road Town Azoliganden auf der Basis von Aminoantipyrine und ihre Metallkomplexe zur Verwendung als optische Aufzeichnungsmedien
JP2008511472A (ja) 2004-09-02 2008-04-17 クラリアント・インターナシヨナル・リミテツド 光学データ記録のための光学層におけるチアゾリル−ピリジニウムをベースとする染料の使用
DE102005028145A1 (de) * 2005-06-17 2006-12-28 Bayer Materialscience Ag Optischer Datenspeicher, dessen Herstellung und Verwendung
US20070014963A1 (en) * 2005-07-12 2007-01-18 Nee Han H Metal alloys for the reflective layer of an optical storage medium
US8859184B2 (en) * 2005-07-28 2014-10-14 Ricoh Company, Ltd. Write-once-read-many optical disk having low-to-high recording property accommodating short wavelength recording
US20070154674A1 (en) * 2005-12-29 2007-07-05 Imation Corp. Recordable optical media with thermal buffer layer
EP1973111B1 (en) * 2006-01-13 2010-10-27 Mitsubishi Kagaku Media Co., Ltd. Optical recording medium
JP4796443B2 (ja) 2006-06-08 2011-10-19 シスメックス株式会社 試料分析用試薬、試料分析用試薬キット及び試料分析方法
JP4914656B2 (ja) 2006-06-26 2012-04-11 シスメックス株式会社 試料分析用試薬、試料分析用試薬キット及び試料分析方法
US20100035013A1 (en) * 2006-09-06 2010-02-11 Mitsubishi Kagaku Media Co., Ltd. Optical recording medium

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record
FR2368779A1 (fr) * 1976-10-22 1978-05-19 Thomson Brandt Support thermosensible destine a l'enregistrement d'information et procede d'enregistrement d'information sur un tel support
US4270132A (en) * 1977-03-28 1981-05-26 Rca Corporation Information record
US4315269A (en) * 1977-08-29 1982-02-09 Rca Corporation Thick protective overcoat layer for optical video disc
JPS5545166A (en) * 1978-09-25 1980-03-29 Matsushita Electric Ind Co Ltd Recording and reproducing method for optical information
FR2474223A1 (fr) * 1980-01-23 1981-07-24 Thomson Csf Procede d'inscription thermo-optique d'information et support d'information destine a la mise en oeuvre de ce procede
FR2474222A1 (fr) * 1980-01-23 1981-07-24 Thomson Csf Procede d'inscription thermo-optique d'information et support d'information destine a la mise en oeuvre de ce procede
US4577306A (en) * 1980-02-25 1986-03-18 Eastman Kodak Company Method for optically writing and/or reading information on optical recording elements
US4360908A (en) * 1980-02-25 1982-11-23 Eastman Kodak Company Physically optimized optical disc structure, method and apparatus
DE3118058A1 (de) * 1980-05-14 1982-03-11 RCA Corp., 10020 New York, N.Y. Aufzeichnungstraeger und verfahren zum schreiben einer informationsspur sowie zum loeschen einer in dem traeger gespeicherten information
FR2488711B1 (fr) * 1980-08-13 1985-06-28 Thomson Csf Procede thermo-optique d'inscription d'information et support d'information destine a la mise en oeuvre de ce procede
KR870002142B1 (ko) * 1982-09-20 1987-12-12 디스커비소젼 어시에이츠 광학 기록 매체 및 그의 제조방법
JPS60638A (ja) * 1983-06-16 1985-01-05 Canon Inc 記録媒体
JPS60151850A (ja) * 1984-01-20 1985-08-09 Nec Corp 光記録媒体
JPS62110636A (ja) * 1985-11-08 1987-05-21 Kyodo Printing Co Ltd 光記録媒体及びその製造方法
JPH0724114B2 (ja) * 1985-12-12 1995-03-15 株式会社リコー 光情報記録媒体
JPS62141661A (ja) * 1985-12-16 1987-06-25 Ricoh Co Ltd 光情報記録媒体
US4731755A (en) * 1986-04-10 1988-03-15 International Business Machines Corporation Thermal design for reversible phase change optical storage media
US4860273A (en) * 1986-07-31 1989-08-22 Fuji Photo Film Co., Ltd. Method of recording information and information recording medium employed for the same
JPH0734269B2 (ja) * 1986-10-23 1995-04-12 松下電器産業株式会社 光記録媒体
US4939717A (en) * 1986-10-31 1990-07-03 Matsushita Electric Industrial Co., Ltd. Method and apparatus for erasing and recording information using three power levels

Also Published As

Publication number Publication date
KR950005964B1 (ko) 1995-06-07
ES2076942T5 (es) 2000-01-16
EP0353393B2 (en) 1999-07-21
AU3510789A (en) 1990-02-15
EP0353393B1 (en) 1995-07-19
MY106967A (en) 1995-08-30
PH26094A (en) 1992-02-06
FI893563A0 (fi) 1989-07-25
HK86796A (en) 1996-05-24
ATE125381T1 (de) 1995-08-15
AU608158B2 (en) 1991-03-21
DK254589D0 (da) 1989-05-25
KR910003604A (ko) 1991-02-27
DE68923494T2 (de) 1996-03-28
PT91309A (pt) 1990-02-08
FI893563A (fi) 1990-01-31
EP0353393A2 (en) 1990-02-07
EP0353393A3 (en) 1990-10-03
DE68923494T3 (de) 1999-10-28
US5090009A (en) 1992-02-18
PT91309B (pt) 1995-07-06
DE68923494D1 (de) 1995-08-24
DK174000B1 (da) 2002-04-02
DK254589A (da) 1990-01-31
CA1326710C (en) 1994-02-01

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