ATE336532T1 - Beschichtete optische fasern - Google Patents

Beschichtete optische fasern

Info

Publication number
ATE336532T1
ATE336532T1 AT98926354T AT98926354T ATE336532T1 AT E336532 T1 ATE336532 T1 AT E336532T1 AT 98926354 T AT98926354 T AT 98926354T AT 98926354 T AT98926354 T AT 98926354T AT E336532 T1 ATE336532 T1 AT E336532T1
Authority
AT
Austria
Prior art keywords
liquid coating
radiation
cured coating
coating composition
cured
Prior art date
Application number
AT98926354T
Other languages
English (en)
Inventor
Paul J Shustack
Daniel A Wilson
Original Assignee
Hexion Specialty Chemicals 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 Hexion Specialty Chemicals Inc filed Critical Hexion Specialty Chemicals Inc
Application granted granted Critical
Publication of ATE336532T1 publication Critical patent/ATE336532T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10Coating
    • C03C25/104Coating to obtain optical fibres
    • C03C25/106Single coatings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06Polymers provided for in subclass C08G
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10Coating
    • C03C25/104Coating to obtain optical fibres
    • C03C25/1065Multiple coatings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/006Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • C09D175/14Polyurethanes having carbon-to-carbon unsaturated bonds
    • C09D175/16Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core
    • Y10T428/2938Coating on discrete and individual rods, strands or filaments
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core
    • Y10T428/294Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2942Plural coatings
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core
    • Y10T428/2962Silane, silicone or siloxane in coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Medicinal Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Paints Or Removers (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
AT98926354T 1997-12-12 1998-06-30 Beschichtete optische fasern ATE336532T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/989,618 US6048911A (en) 1997-12-12 1997-12-12 Coated optical fibers

Publications (1)

Publication Number Publication Date
ATE336532T1 true ATE336532T1 (de) 2006-09-15

Family

ID=25535290

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98926354T ATE336532T1 (de) 1997-12-12 1998-06-30 Beschichtete optische fasern

Country Status (14)

Country Link
US (1) US6048911A (de)
EP (1) EP0964881B1 (de)
JP (1) JP4171792B2 (de)
KR (1) KR100524135B1 (de)
CN (1) CN1121436C (de)
AT (1) ATE336532T1 (de)
BR (1) BR9807340A (de)
CA (1) CA2285370A1 (de)
DE (1) DE69835585D1 (de)
DK (1) DK0964881T3 (de)
IL (1) IL131199A (de)
NO (1) NO993874L (de)
TW (1) TW462954B (de)
WO (1) WO1999031161A1 (de)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6774278B1 (en) * 1995-06-07 2004-08-10 Cook Incorporated Coated implantable medical device
DE69736297T2 (de) 1996-11-08 2007-07-26 Dsm Ip Assets B.V. Strahlungshärtbare optische glasfaserbeschichtungszusammensetzungen, beschichtete optische glasfasern und optische glasfaserzusammenstellungen
US6110593A (en) * 1998-05-21 2000-08-29 Dsm N.V. Radiation-curable optical fiber primary coating system
EP1082633A1 (de) * 1999-04-01 2001-03-14 Borden Chemical, Inc. Faseroptische bandkabel mit stahlungsvernetzten deckmaterialien
US6587628B1 (en) * 1999-11-22 2003-07-01 3M Innovative Properties Company Optical fiber with improved strength in high humidity/high temperature environments
JP4250308B2 (ja) * 2000-05-01 2009-04-08 Jsr株式会社 液状硬化性樹脂組成物
US6852766B1 (en) 2000-06-15 2005-02-08 3M Innovative Properties Company Multiphoton photosensitization system
US7014988B2 (en) * 2000-06-15 2006-03-21 3M Innovative Properties Company Multiphoton curing to provide encapsulated optical elements
EP1292862B1 (de) * 2000-06-15 2009-08-19 3M Innovative Properties Company Methode und gerät zur erzielung wiederholter multiphotonabsorption
ATE440305T1 (de) * 2000-06-15 2009-09-15 3M Innovative Properties Co Erzeugung eines mehrfarbenbildes mittels eines multiphoton photochemischen verfahren
WO2001096915A2 (en) * 2000-06-15 2001-12-20 3M Innovative Properties Company Microfabrication of organic optical elements
WO2001096959A2 (en) * 2000-06-15 2001-12-20 3M Innovative Properties Company Multidirectional photoreactive absorption method
WO2001096958A2 (en) * 2000-06-15 2001-12-20 3M Innovative Properties Company Process for producing microfluidic articles
US6489376B1 (en) 2000-07-31 2002-12-03 Alcatel Formulation of UV-curable coatings for optical fiber for a fast cure
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
US20040012872A1 (en) * 2001-06-14 2004-01-22 Fleming Patrick R Multiphoton absorption method using patterned light
JP2003004995A (ja) * 2001-06-26 2003-01-08 Fujikura Ltd 分散補償光ファイバ及び分散補償光ファイバモジュール
CN1630744A (zh) * 2001-09-07 2005-06-22 博登化学公司 使用粘合促进剂的涂覆光纤及其制备和使用方法
US20030159555A1 (en) * 2002-02-22 2003-08-28 Perry Edward Robert Thin wall singulation saw blade and method
US7495034B2 (en) * 2002-02-22 2009-02-24 Henkel Corporation Deformable soft molding compositions
US6829362B1 (en) 2002-02-22 2004-12-07 Henkel Corporation Soft molding compound
JP2003322775A (ja) * 2002-04-30 2003-11-14 Furukawa Electric Co Ltd:The 光ファイバ素線
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
US7323222B2 (en) * 2002-11-18 2008-01-29 Henkel Corporation Anaerobic adhesive compositions curable on inactive surfaces
US20030155667A1 (en) * 2002-12-12 2003-08-21 Devoe Robert J Method for making or adding structures to an article
FR2854956B1 (fr) * 2003-05-16 2005-11-04 Nexans Composition liquide photoreticulaire pour fibre plastique
FR2867184A1 (fr) * 2004-03-04 2005-09-09 Cit Alcatel Fibre optique a revetement denudable et procede de denudage d'une telle fibre
JP4912146B2 (ja) 2004-12-01 2012-04-11 三洋電機株式会社 有機金属ポリマー材料
CN103232175B (zh) * 2006-12-14 2016-05-11 帝斯曼知识产权资产管理有限公司 光纤上的d1363bt可辐射固化初级涂层
US8034455B2 (en) * 2008-06-06 2011-10-11 Novasolar Holdings Limited Coating composition, substrates coated therewith and methods of making and using same
US20100220966A1 (en) * 2009-02-27 2010-09-02 Kevin Wallace Bennett Reliability Multimode Optical Fiber
CN102495451B (zh) * 2011-11-25 2013-12-25 四川飞普科技有限公司 自动立式分段烤胶固化机及其操作方法
US10737973B2 (en) 2012-02-28 2020-08-11 Corning Incorporated Pharmaceutical glass coating for achieving particle reduction
WO2013130724A2 (en) 2012-02-28 2013-09-06 Corning Incorporated Glass articles with low-friction coatings
US11497681B2 (en) 2012-02-28 2022-11-15 Corning Incorporated Glass articles with low-friction coatings
US10273048B2 (en) 2012-06-07 2019-04-30 Corning Incorporated Delamination resistant glass containers with heat-tolerant coatings
US9034442B2 (en) 2012-11-30 2015-05-19 Corning Incorporated Strengthened borosilicate glass containers with improved damage tolerance
US10117806B2 (en) 2012-11-30 2018-11-06 Corning Incorporated Strengthened glass containers resistant to delamination and damage
US9322986B2 (en) 2013-06-24 2016-04-26 Corning Incorporated Optical fiber coating for short data network
JP6179868B2 (ja) * 2013-11-08 2017-08-16 パナソニックIpマネジメント株式会社 照明装置とそれを用いた天井板
US20150240108A1 (en) * 2014-02-26 2015-08-27 Armstrong World Industries, Inc. Surface coating compositions
JP6066960B2 (ja) * 2014-05-30 2017-01-25 富士フイルム株式会社 成形加工用活性光線硬化型インク組成物、インクセット、インクジェット記録方法、成形加工用加飾シート、加飾シート成形物及びインモールド成形品の製造方法
EP3189017B1 (de) 2014-09-05 2022-11-16 Corning Incorporated Glasartikel und verfahren zur verbesserung der zuverlässigkeit von glasartikeln
CN116282967A (zh) 2014-11-26 2023-06-23 康宁股份有限公司 用于生产强化且耐用玻璃容器的方法
US9658408B2 (en) * 2015-01-13 2017-05-23 Finisar Corporation Reinforced optical fiber cable
WO2017020291A1 (en) 2015-08-06 2017-02-09 Wuxi Biologics (Shanghai) Co. Ltd. Novel anti-pd-l1 antibodies
EP3150564B1 (de) 2015-09-30 2018-12-05 Corning Incorporated Halogenierte chemische polyimidsiloxanzusammensetzungen und glasgegenstände mit halogenierten polylmidsiloxanbeschichtungen mit geringer reibung
TWI734711B (zh) 2015-10-30 2021-08-01 美商康寧公司 具有混合的聚合物及金屬氧化物塗層的藥物包裝
US10677983B2 (en) * 2017-07-31 2020-06-09 Ofs Fitel, Llc Optically uniform fiber, methods of making, and methods of inspecting
WO2020096055A1 (ja) 2018-11-09 2020-05-14 住友電気工業株式会社 光ファイバ
EP4350302A2 (de) * 2019-03-01 2024-04-10 Daryl James Fluoreszenzzeitabfallmessvorrichtung und verfahren zur herstellung davon
US20230279236A1 (en) * 2020-06-23 2023-09-07 Akzo Nobel Coatings International B.V. Radiation-Curable Coating Composition, Method of Coating a Substrate and Coated Substrate

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4472021A (en) * 1982-12-10 1984-09-18 Desoto, Inc. Strippable radiation-cured coatings for optical fiber and method
US5128391A (en) * 1988-02-24 1992-07-07 Borden, Inc. Extensible and pasteurizable radiation curable coating for metal containing organofunctional silane adhesion promoter
US4889901A (en) * 1988-11-16 1989-12-26 Desoto, Inc. Ultraviolet-curable blends of acrylated polyurethanes and silsesquioxane oligomers having improved adhesion to glass
JP2706285B2 (ja) * 1988-12-23 1998-01-28 関西ペイント株式会社 活性エネルギー線硬化型組成物
CA1321671C (en) * 1989-05-11 1993-08-24 Paul J. Shustack Ultraviolet radiation-curable coatings for optical fibers and optical fibers coated therewith
US5352712A (en) * 1989-05-11 1994-10-04 Borden, Inc. Ultraviolet radiation-curable coatings for optical fibers
US5536529A (en) * 1989-05-11 1996-07-16 Borden, Inc. Ultraviolet radiation-curable coatings for optical fibers and optical fibers coated therewith
CA1341128C (en) * 1989-06-27 2000-10-24 Borden Chemical, Inc. Optical fiber array
US5219896A (en) * 1989-09-06 1993-06-15 Stamicarbon, B.V. Primary coatings for optical glass fibers including poly(carbonate-urethane) acrylates
US5336563A (en) * 1989-09-06 1994-08-09 Dsm Desotech, Inc. Primary coatings for optical glass fibers including polyether acrylates
JPH03238410A (ja) * 1990-02-16 1991-10-24 Sumitomo Electric Ind Ltd 通信用線材
JP2836285B2 (ja) * 1991-04-19 1998-12-14 住友電気工業株式会社 被覆光ファイバ
US5181268A (en) * 1991-08-12 1993-01-19 Corning Incorporated Strippable tight buffered optical waveguide fiber
JP3220221B2 (ja) * 1992-04-20 2001-10-22 ジェイエスアール株式会社 液状硬化性樹脂組成物
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
US5371058A (en) * 1992-06-10 1994-12-06 Alfred Doi Ultraviolet protective coatings for application to heat sensitive record materials and other photodegradable printed matter
FR2695394B1 (fr) * 1992-09-07 1994-10-07 Alcatel Cable Résine polymère pour ruban à fibres optiques.
JP3314495B2 (ja) * 1993-01-14 2002-08-12 住友電気工業株式会社 テープ状光ファイバ心線
US5502145A (en) * 1994-03-02 1996-03-26 Dsm Desotech. Inc. Coating system for glass strength retention
US5514727A (en) * 1994-07-13 1996-05-07 Alliedsignal Inc. Stabilizers for vinyl ether-based coating systems
US5491178A (en) * 1994-07-13 1996-02-13 Alliedsignal Inc. Hydrogen stabilizers for vinyl ether-based coating systems
JP3288869B2 (ja) * 1994-10-14 2002-06-04 ジェイエスアール株式会社 液状硬化性樹脂組成物
US5561730A (en) * 1995-02-23 1996-10-01 Siecor Corporation Cable containing fiber ribbons with optimized frictional properties
US5908873A (en) * 1995-12-20 1999-06-01 Borden Chemicals, Inc. Peelable bonded ribbon matrix material; optical fiber bonded ribbon arrays containing same; and process for preparing said optical fiber bonded ribbon arrays
US5744514A (en) * 1996-10-31 1998-04-28 Borden Chemical, Inc. Coated optical fibers having a reduced content of extractable and volatile material

Also Published As

Publication number Publication date
WO1999031161A1 (en) 1999-06-24
CA2285370A1 (en) 1999-06-24
CN1246874A (zh) 2000-03-08
JP2002512587A (ja) 2002-04-23
NO993874D0 (no) 1999-08-11
KR20000070992A (ko) 2000-11-25
DE69835585D1 (de) 2006-09-28
DK0964881T3 (da) 2006-12-27
NO993874L (no) 1999-09-27
KR100524135B1 (ko) 2005-10-26
EP0964881B1 (de) 2006-08-16
IL131199A (en) 2003-07-31
IL131199A0 (en) 2001-01-28
CN1121436C (zh) 2003-09-17
US6048911A (en) 2000-04-11
BR9807340A (pt) 2002-02-05
TW462954B (en) 2001-11-11
JP4171792B2 (ja) 2008-10-29
EP0964881A1 (de) 1999-12-22

Similar Documents

Publication Publication Date Title
DE69835585D1 (de) Beschichtete optische fasern
TW330945B (en) Ultraviolet-curable adhesive composition
US5024507A (en) Photopolymerizable composition for cladding optical fibers
EP0204160A3 (de) Polyacryl-Oligomere in mittels Ultraviolettstrahlung härtbaren Beschichtungen für optische Fasern
DE69736297D1 (de) Strahlungshärtbare beschichtungszusammensetzungen für optische glasfasern, beschichtete optische glasfasern und optische glasfaservorrichtungen
TW326081B (en) Broadband optical fiber, optical fiber core wire and optical fiber wire
ATE228978T1 (de) Strahlungshärtbare beschichtungszusammensetzung, beschichtete optische faser, strahlungshärtbarer matrixbildender stoff und optisches bandkabel
DE69720941D1 (de) Photohärtbare Faserbeschichtungen mit niedrigem Brechungsindex
DE69028051T2 (de) Strahlenhärtbares Matrixmaterial, Glasfaser-Bandkabel aus diesem Material und Verfahren zur Herstellung dieser Glasfaser-Bandkabel
DE69402962T2 (de) Faseroptisches kabel mit optische fasern enthaltende schutzröhren und zugehöriges herstellungsverfahren
AU4436800A (en) Liquid curable resin composition and cured products
DE69633088D1 (de) Härtbare Polysulfidpolymerzusammensetzung für optisches Material
DE60035741D1 (de) Einlagerung von UV transparenten irisierenden Pigmenten in UV härtbare faseroptische Materialien
ATE387473T1 (de) Uv-härtbare harzzusammensetzung zur umhüllung von lichtleitfasern
DE69827807D1 (de) Beschichtete optische faser und strahlungshärtbare harzzusammensetzung
EP1408017A3 (de) Strahlunghärtbare Tintenzusammensetzungen
KR930004777A (ko) 광파이버 클래드용 경화성 조성물 및 그것을 사용한 광파이버
DE69600238T2 (de) Polymerisierbare Zusammensetzungen auf Basis von Thio(meth)acrylatmonomeren, transparente polymere Zusammensetzungen und deren optische Verwendung
WO2002001263A3 (en) Single-channel attenuators
DK0490981T4 (da) Primære belægninger til optiske glasfibre indeholdende polyetheracrylater
DE69502186T2 (de) Flüssige härtbare harzzusammensetzung für optische fasern
JPH07115892B2 (ja) 光フアイバ−用紫外線硬化性樹脂組成物
DE60017357D1 (de) Polymerisierbare zusammensetzung für die herstellung von transparenten polymerbeschichtungen, so hergestellte transparente polymerbeschichtungen und deren optische verwendung
EP0916705A3 (de) Thermoplastische Überzugzusammensetzungen
FI954137A (fi) Optinen kuitu kuituoptisia vahvistimia varten n. 1300 nm:n aallonpituuksille

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties