DK0398564T3 - Coatede optiske transmissionsmedier - Google Patents

Coatede optiske transmissionsmedier

Info

Publication number
DK0398564T3
DK0398564T3 DK90304893.2T DK90304893T DK0398564T3 DK 0398564 T3 DK0398564 T3 DK 0398564T3 DK 90304893 T DK90304893 T DK 90304893T DK 0398564 T3 DK0398564 T3 DK 0398564T3
Authority
DK
Denmark
Prior art keywords
optical transmission
transmission media
coated optical
coated
media
Prior art date
Application number
DK90304893.2T
Other languages
English (en)
Inventor
John W Shea
Thomas J Chapin
Addison Guy Hardee Jr
Lisa M Larsen-Moss
Charles M Leshe
Bob J Overton
Carl R Taylor
John Michael Turnipseed
Original Assignee
At & T Corp
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 At & T Corp filed Critical At & T Corp
Application granted granted Critical
Publication of DK0398564T3 publication Critical patent/DK0398564T3/da

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00663Production of light guides
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02395Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/4457Bobbins; Reels
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479Manufacturing methods of optical cables
    • G02B6/4486Protective covering

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
DK90304893.2T 1989-05-15 1990-05-04 Coatede optiske transmissionsmedier DK0398564T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/351,984 US4962992A (en) 1989-05-15 1989-05-15 Optical transmission media and methods of making same

Publications (1)

Publication Number Publication Date
DK0398564T3 true DK0398564T3 (da) 1995-09-18

Family

ID=23383283

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90304893.2T DK0398564T3 (da) 1989-05-15 1990-05-04 Coatede optiske transmissionsmedier

Country Status (10)

Country Link
US (1) US4962992A (da)
EP (1) EP0398564B1 (da)
JP (1) JP2828733B2 (da)
KR (1) KR0171887B1 (da)
CN (1) CN1026919C (da)
AU (1) AU618478B2 (da)
BR (1) BR9002274A (da)
CA (1) CA2016799C (da)
DE (1) DE69021635T2 (da)
DK (1) DK0398564T3 (da)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5352712A (en) * 1989-05-11 1994-10-04 Borden, Inc. Ultraviolet radiation-curable coatings for optical fibers
CA1321671C (en) * 1989-05-11 1993-08-24 Paul J. Shustack Ultraviolet radiation-curable coatings for optical fibers and optical fibers coated therewith
US5536529A (en) * 1989-05-11 1996-07-16 Borden, Inc. Ultraviolet radiation-curable coatings for optical fibers and optical fibers coated therewith
US5062685A (en) * 1989-10-11 1991-11-05 Corning Incorporated Coated optical fibers and cables and method
US5371181A (en) * 1990-11-28 1994-12-06 Loctite Corporation Thiol-ene compositions with improved cure speed retention
US5459175A (en) * 1990-11-28 1995-10-17 Loctite Corporation Optical fiber primary coatings and fibers coated therewith
CA2082614A1 (en) * 1992-04-24 1993-10-25 Paul J. Shustack Organic solvent and water resistant, thermally, oxidatively and hydrolytically stable radiation-curable coatings for optical fibers, optical fibers coated therewith and processes for making same
US5257339A (en) * 1992-07-29 1993-10-26 At&T Bell Laboratories Package of optical fiber suitable for high speed payout
US6240230B1 (en) 1997-03-06 2001-05-29 Dsm N.V. Protective materials for optical fibers which do not substantially discolor
JPH09243877A (ja) * 1996-03-12 1997-09-19 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ心線
CA2251074A1 (en) * 1996-04-10 1997-10-16 Dsm N.V. A method of increasing the adhesion between radiation-cured, inner primary coatings and optical glass fibers
EP0976692B2 (en) * 1997-01-20 2004-12-29 Sumitomo Electric Industries, Ltd. Optical fiber equipped with cladding and method of manufacturing the same
US6579618B1 (en) * 1997-08-15 2003-06-17 Dsm N.V. Coated optical fiber and radiation curable resin composition
US6215934B1 (en) * 1998-10-01 2001-04-10 Lucent Technologies, Inc. Coated optical fiber with improved strippability
US6215931B1 (en) * 1999-01-26 2001-04-10 Alcatel Flexible thermoplastic polyolefin elastomers for buffering transmission elements in a telecommunications cable
CN1159609C (zh) * 1999-11-05 2004-07-28 住友电气工业株式会社 被覆光纤
EP1268357B1 (en) 1999-12-30 2008-01-09 Corning Incorporated Optical fibers prepared with a primary coating composition including a monomer with a pendant hydroxyl functional group
WO2001049629A1 (en) 1999-12-30 2001-07-12 Corning Incorporated Fast curing primary optical fiber coating
WO2001049793A1 (en) 1999-12-30 2001-07-12 Corning Incorporated Composition containing tackifier and method of modifying time-sensitive rheological properties of optical fiber coating
EP1263823B1 (en) 1999-12-30 2007-01-10 Corning Incorporated Secondary coating composition for optical fibers
US6775451B1 (en) 1999-12-30 2004-08-10 Corning Incorporated Secondary coating composition for optical fibers
JP2003531799A (ja) 2000-05-01 2003-10-28 コーニング インコーポレイテッド 光ファイバ被覆
US6577802B1 (en) 2000-07-13 2003-06-10 Corning Incorporated Application of silane-enhanced adhesion promoters for optical fibers and fiber ribbons
US6579914B1 (en) 2000-07-14 2003-06-17 Alcatel Coating compositions for optical waveguides and optical waveguides coated therewith
US6584263B2 (en) 2000-07-26 2003-06-24 Corning Incorporated Optical fiber coating compositions and coated optical fibers
US6553169B2 (en) 2000-11-29 2003-04-22 Corning Incorporated Optical fiber coating compositions and coated optical fibers
WO2002051763A1 (en) * 2000-12-22 2002-07-04 Sumitomo Electric Industries, Ltd. Coated optical fiber and production method therefor
US6602601B2 (en) 2000-12-22 2003-08-05 Corning Incorporated Optical fiber coating compositions
KR20030066762A (ko) 2000-12-29 2003-08-09 디에스엠 아이피 어셋츠 비.브이. 방사선-경화 가능 섬유 광학 코팅재에 사용하기 위한비결정-형성 올리고머
US20030077059A1 (en) * 2001-03-13 2003-04-24 Ching-Kee Chien Optical fiber coating compositions
US6707977B2 (en) 2001-03-15 2004-03-16 Corning Incorporated All fiber polarization mode dispersion compensator
US6470128B1 (en) 2001-03-30 2002-10-22 Alcatel UV-curable coating composition for optical fiber for a fast cure and with improved adhesion to glass
US6810187B2 (en) * 2001-07-27 2004-10-26 Corning Incorporated Optical waveguide thermoplastic elastomer coating
ES2537295T3 (es) * 2002-04-24 2015-06-05 Prysmian S.P.A. Procedimiento de control de pérdidas de atenuación inducidas por microcurvatura en una fibra óptica
CA2483308C (en) * 2002-04-24 2010-08-24 Pirelli & C. S.P.A. Optical fiber with reduced attenuation loss
US20050226582A1 (en) * 2002-04-24 2005-10-13 Nagelvoort Sandra J Radiation curable coating composition for optical fiber with reduced attenuation loss
US7238386B2 (en) * 2002-05-09 2007-07-03 Hexion Specialty Chemicals, Inc. Methods for making and using point lump-free compositions and products coated with point lump-free compositions
US7207732B2 (en) * 2003-06-04 2007-04-24 Corning Incorporated Coated optical fiber and curable compositions suitable for coating optical fiber
US6862392B2 (en) 2003-06-04 2005-03-01 Corning Incorporated Coated optical fiber and curable compositions suitable for coating optical fiber
US7050688B2 (en) * 2003-07-18 2006-05-23 Corning Cable Systems Llc Fiber optic articles, assemblies, and cables having optical waveguides
US7715675B2 (en) * 2003-07-18 2010-05-11 Corning Incorporated Optical fiber coating system and coated optical fiber
CN100573212C (zh) * 2003-09-30 2009-12-23 普雷斯曼电缆及系统能源有限公司 直径减小的电信松套管型光缆
US20050207716A1 (en) * 2004-03-17 2005-09-22 Kariofilis Konstadinidis Optical fiber cable coatings
US7423105B2 (en) * 2005-09-30 2008-09-09 Corning Incorporated Fast curing primary optical fiber coatings
US8093322B2 (en) * 2005-10-27 2012-01-10 Corning Incorporated Non-reactive additives for fiber coatings
US7289706B2 (en) * 2005-11-30 2007-10-30 Corning Incorporated Optical fiber ribbon with improved stripability
US7257299B2 (en) * 2005-11-30 2007-08-14 Corning Incorporated Optical fiber ribbon with improved stripability
EP2091882B9 (en) * 2006-12-14 2012-09-26 DSM IP Assets B.V. D1365 bj radiation curable primary coating for optical fiber
EP2091883B1 (en) * 2006-12-14 2011-02-16 DSM IP Assets B.V. D1364 bt secondary coating on optical fiber
EP2089332B1 (en) * 2006-12-14 2011-06-29 DSM IP Assets B.V. D1381 supercoatings for optical fiber
ATE498593T1 (de) * 2006-12-14 2011-03-15 Dsm Ip Assets Bv Strahlungshärtbare d1363 bt-grundierbeschichtung für optische fasern
WO2008133668A2 (en) * 2006-12-14 2008-11-06 Dsm Ip Assets B.V. D1369 d radiation curable secondary coating for optical fiber
WO2008076286A1 (en) * 2006-12-14 2008-06-26 Dsm Ip Assets B.V. D1370 r radiation curable secondary coating for optical fiber
JP2010509453A (ja) * 2006-12-14 2010-03-25 ディーエスエム アイピー アセッツ ビー.ブイ. D1368cr光ファイバのための放射線硬化性一次被覆
WO2008076300A1 (en) * 2006-12-14 2008-06-26 Dsm Ip Assets B.V. D1379 p radiation curable primary coating on optical fiber
CN101535199B (zh) * 2006-12-14 2012-08-29 帝斯曼知识产权资产管理有限公司 用于光纤的d1378ca可辐射固化初级涂层
JP2008224744A (ja) * 2007-03-08 2008-09-25 Furukawa Electric Co Ltd:The 光ファイバ心線
CN101952215B (zh) * 2007-11-29 2013-07-10 康宁股份有限公司 用扩展的辐照器进行纤维固化
JP5587323B2 (ja) 2008-09-26 2014-09-10 コーニング インコーポレイテッド 高開口数多モード光ファイバ
US8314408B2 (en) 2008-12-31 2012-11-20 Draka Comteq, B.V. UVLED apparatus for curing glass-fiber coatings
US20100220966A1 (en) 2009-02-27 2010-09-02 Kevin Wallace Bennett Reliability Multimode Optical Fiber
EP2454623A1 (en) 2009-07-17 2012-05-23 Corning Cable Systems LLC Optical fiber ribbons and ribbon matrix materials having low oligomer content
US8406596B2 (en) * 2009-08-12 2013-03-26 Corning Incorporated Optical fiber containing multi-layered coating system
US20110188822A1 (en) * 2010-02-04 2011-08-04 Ofs Fitel, Llc Optical fiber coatings for reducing microbend losses
US8385703B2 (en) 2010-03-02 2013-02-26 Corning Incorporated High numerical aperture multimode optical fiber
DK2388239T3 (da) 2010-05-20 2017-04-24 Draka Comteq Bv Hærdningsapparat, der anvender vinklede UV-LED'er
US8871311B2 (en) 2010-06-03 2014-10-28 Draka Comteq, B.V. Curing method employing UV sources that emit differing ranges of UV radiation
US20110300367A1 (en) 2010-06-07 2011-12-08 Ching-Kee Chien Optical Fiber With Photoacid Coating
EP2418183B1 (en) 2010-08-10 2018-07-25 Draka Comteq B.V. Method for curing coated glass fibres providing increased UVLED intensitiy
JP5533825B2 (ja) * 2011-09-13 2014-06-25 住友電気工業株式会社 光ファイバ製造方法および光ファイバ
WO2013039751A1 (en) 2011-09-16 2013-03-21 Corning Incorporated Few mode optical fibers for mode division multiplexing
JP5255690B2 (ja) * 2011-12-27 2013-08-07 古河電気工業株式会社 光ファイバ着色心線、光ファイバテープ心線および光ファイバケーブル
US8848285B2 (en) 2012-01-12 2014-09-30 Corning Incorporated Few mode optical fibers for Er doped amplifiers, and amplifiers using such
US9678247B2 (en) 2012-05-08 2017-06-13 Corning Incorporated Primary optical fiber coating composition containing non-radiation curable component
US9197030B2 (en) 2012-07-31 2015-11-24 Corning Incorporated Few mode rare earth doped optical fibers for optical amplifiers, and amplifiers using such fibers
US9057814B2 (en) 2013-03-28 2015-06-16 Corning Incorporated Large effective area fiber with low bending losses
US9057817B2 (en) 2013-04-15 2015-06-16 Corning Incorporated Low diameter optical fiber
US9383511B2 (en) 2013-05-02 2016-07-05 Corning Incorporated Optical fiber with large mode field diameter and low microbending losses
US9488774B2 (en) 2014-04-01 2016-11-08 Corning Incorporated Primary optical fiber coating composition containing non-radiation curable component
US9891379B2 (en) 2014-11-14 2018-02-13 Corning Incorporated Optical fiber coating compositions with acrylic polymers
US20160177092A1 (en) 2014-12-18 2016-06-23 Corning Incorporated Optical fiber coating composition with non-reactive reinforcing agent
US10604659B2 (en) 2015-06-08 2020-03-31 Dsm Ip Assets B.V. Liquid, hybrid UV/VIS radiation curable resin compositions for additive fabrication
US9708442B1 (en) 2015-10-01 2017-07-18 Dsm Ip Assets, B.V. Liquid, hybrid UV/vis radiation curable resin compositions for additive fabrication
KR20180095666A (ko) * 2015-12-18 2018-08-27 레오니 카벨 게엠베하 케이블 및 케이블을 제조하기 위한 방법
WO2017173296A1 (en) 2016-04-01 2017-10-05 Dsm Ip Assets B.V. Multi-layered coated colored optical fibers
CN110944957B (zh) 2017-06-02 2022-07-08 科思创(荷兰)有限公司 光纤用耐热性可辐射固化涂料
JP2019129005A (ja) * 2018-01-22 2019-08-01 住友電気工業株式会社 被覆電線および多芯ケーブル
EP3788420A1 (en) 2018-04-30 2021-03-10 Corning Incorporated Small outer diameter low attenuation optical fiber
US11181686B2 (en) 2018-04-30 2021-11-23 Corning Incorporated Small diameter low attenuation optical fiber
US11181687B2 (en) 2018-04-30 2021-11-23 Corning Incorporated Small diameter low attenuation optical fiber
US10689544B2 (en) 2018-05-03 2020-06-23 Corning Incorporated Fiber coatings with low pullout force
US10775557B2 (en) 2018-05-03 2020-09-15 Corning Incorporated Fiber coatings with low pullout force
US20210208333A1 (en) 2018-06-01 2021-07-08 Dsm Ip Assets B.V. Radiation curable compositions for coating optical fiber via alternative oligomers and the coatings produced therefrom
WO2020069053A1 (en) 2018-09-28 2020-04-02 Corning Research & Development Corporation Small diameter fiber optic cables having low-friction cable jackets and optical fibers with reduced cladding and coating diameters
JP2022509797A (ja) 2018-12-03 2022-01-24 コベストロ (ネザーランズ) ビー.ヴィー. 光ファイバーをコーティングするための充填放射線硬化性組成物およびそれから製造されるコーティング
US11036000B2 (en) 2019-01-16 2021-06-15 Corning Incorporated Optical fiber cable with high fiber count
WO2020239563A1 (en) 2019-05-24 2020-12-03 Dsm Ip Assets B.V. Radiation curable compositions for coating optical fiber with enhanced high-speed processability
US10894858B2 (en) 2019-05-24 2021-01-19 Dsm Ip Assets B.V. Radiation curable compositions for coating optical fiber with enhanced high-speed processability
JP7712261B2 (ja) 2019-07-31 2025-07-23 コベストロ (ネザーランズ) ビー.ブイ. 光ファイバーを被覆するための多官能性長アームオリゴマーを含む放射線硬化性組成物
US11194107B2 (en) 2019-08-20 2021-12-07 Corning Incorporated High-density FAUs and optical interconnection devices employing small diameter low attenuation optical fiber
JP7740806B2 (ja) 2020-01-07 2025-09-17 コーニング インコーポレイテッド 高い機械的信頼性を有する半径の減少した光ファイバ
WO2021146077A1 (en) 2020-01-17 2021-07-22 Corning Incorporated Reduced coating diameter chlorine-doped silica optical fibers with low loss and microbend sensitivity
WO2021231083A1 (en) 2020-05-12 2021-11-18 Corning Incorporated Reduced diameter single mode optical fibers with high mechanical reliability
CN111707206B (zh) * 2020-06-04 2022-03-18 哈尔滨工程大学 一种带位置检测功能的量子点光纤微弯传感器
CN115777077A (zh) 2020-06-30 2023-03-10 科思创(荷兰)有限公司 光纤涂料的粘度指数改进剂
JP2023007731A (ja) * 2021-07-02 2023-01-19 住友電気工業株式会社 光ファイバの製造方法および製造装置
US20250251531A1 (en) 2022-04-21 2025-08-07 Covestro (Netherlands) B.V. Low-volatility radiation curable compositions for coating optical fibers
US12428514B2 (en) 2024-01-02 2025-09-30 Covestro Llc Ethylenically unsaturated compounds, methods for their preparation, and the use thereof in coating compositions
US20250215139A1 (en) 2024-01-02 2025-07-03 Covestro Llc Ethylenically unsaturated oligomers, methods for their preparation, and the use thereof in coating compositions
WO2025147343A1 (en) 2024-01-02 2025-07-10 Covestro Llc Ethylenically unsaturated compounds, methods for their preparation, and the use thereof in coating compositions
US12187852B1 (en) 2024-01-02 2025-01-07 Covestro Llc Ethylenically unsaturated oligomers, methods for their preparation, and the use thereof in coating compositions
WO2025147337A1 (en) 2024-01-02 2025-07-10 Covestro Llc Polysilanes, methods for their preparation, and the use thereof in coating compositions

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105284A (en) * 1976-05-10 1978-08-08 Corning Glass Works Buffered optical waveguide fiber
US4324575A (en) * 1980-08-11 1982-04-13 Bell Telephone Laboratories, Incorporated Low TG soft UV-curable coatings
GB2145841B (en) * 1983-09-01 1987-04-01 American Telephone & Telegraph Coated optical fiber
NL8502402A (nl) * 1985-09-03 1987-04-01 Philips Nv Optische vezel voorzien van een kunststofbedekking, en werkwijze en inrichting voor de vervaardiging van een dergelijke optische vezel.
NL8702395A (nl) * 1987-10-08 1989-05-01 Philips Nv Optische vezel voorzien van een kunststofbedekking.
US4900126A (en) * 1988-06-30 1990-02-13 American Telephone & Telegraph Co. Bonded array of transmission media

Also Published As

Publication number Publication date
BR9002274A (pt) 1991-08-06
DE69021635T2 (de) 1996-01-18
AU5487690A (en) 1990-11-15
JPH039311A (ja) 1991-01-17
CN1026919C (zh) 1994-12-07
CN1047394A (zh) 1990-11-28
AU618478B2 (en) 1991-12-19
DE69021635D1 (de) 1995-09-21
KR0171887B1 (ko) 1999-05-01
CA2016799A1 (en) 1990-11-15
JP2828733B2 (ja) 1998-11-25
KR900018709A (ko) 1990-12-22
EP0398564B1 (en) 1995-08-16
EP0398564A3 (en) 1991-07-17
US4962992A (en) 1990-10-16
CA2016799C (en) 1994-12-13
EP0398564A2 (en) 1990-11-22

Similar Documents

Publication Publication Date Title
DK0398564T3 (da) Coatede optiske transmissionsmedier
DE69027378D1 (de) Optisches Übertragungssystem
DE69025481D1 (de) Optischer Modulator
KR0157401B1 (en) Coated optical fibers
DE69121176D1 (de) Optischer Zirkulator
DE69123354D1 (de) Optisches übertragungssystem
FI941037A0 (fi) Pinnoitettu optinen kuituyksikkö
DE69027469D1 (de) Optisches Aufzeichnungssystem
KR960015422A (ko) 광 기록매체
DE69411789D1 (de) Optischer Wellenleiter
DE69126744D1 (de) Optischer Plattenspieler
DE69119314D1 (de) Optischer Plattenspieler
DE69133137D1 (de) Optisches Plattensystem
NO177024C (no) Optisk-fiber dataforbindelse
DK0411310T3 (da) Coatet optisk fiber
DE69022256D1 (de) Optisches Übertragungssystem.
DE69124342D1 (de) Optischer Plattenspieler
DE69014767D1 (de) Optischer Modulator.
DE69128871D1 (de) Optisches Plattensystem
DE69118668D1 (de) Optischer Plattenspieler
NO180788C (no) Optisk fiber
FI890479L (fi) Valoaaltojohdin
FI103236B1 (fi) Valoviestintäjärjestelmä
DE69019846D1 (de) Optisches Übertragungssystem.
DE69532096D1 (de) Optischer Aufzeichnungsträger