DE2940451C2 - - Google Patents
Info
- Publication number
- DE2940451C2 DE2940451C2 DE2940451A DE2940451A DE2940451C2 DE 2940451 C2 DE2940451 C2 DE 2940451C2 DE 2940451 A DE2940451 A DE 2940451A DE 2940451 A DE2940451 A DE 2940451A DE 2940451 C2 DE2940451 C2 DE 2940451C2
- Authority
- DE
- Germany
- Prior art keywords
- glass
- glasses
- light
- water resistance
- weight
- 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
Links
- 239000011521 glass Substances 0.000 claims description 142
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 20
- 229910052593 corundum Inorganic materials 0.000 claims description 20
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910011255 B2O3 Inorganic materials 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 35
- 239000003365 glass fiber Substances 0.000 description 34
- 239000000306 component Substances 0.000 description 30
- 235000012239 silicon dioxide Nutrition 0.000 description 18
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 17
- 229910052681 coesite Inorganic materials 0.000 description 17
- 229910052906 cristobalite Inorganic materials 0.000 description 17
- 239000000377 silicon dioxide Substances 0.000 description 17
- 229910052682 stishovite Inorganic materials 0.000 description 17
- 229910052905 tridymite Inorganic materials 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 238000005253 cladding Methods 0.000 description 14
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 11
- 230000008018 melting Effects 0.000 description 11
- 238000002844 melting Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 9
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 8
- 239000000835 fiber Substances 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 238000004031 devitrification Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000002075 main ingredient Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- GOLCXWYRSKYTSP-UHFFFAOYSA-N Arsenious Acid Chemical compound O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- -1 Na+ Chemical class 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Inorganic materials O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000004447 silicone coating Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- YEAUATLBSVJFOY-UHFFFAOYSA-N tetraantimony hexaoxide Chemical compound O1[Sb](O2)O[Sb]3O[Sb]1O[Sb]2O3 YEAUATLBSVJFOY-UHFFFAOYSA-N 0.000 description 1
- 210000004127 vitreous body Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
- C03C13/046—Multicomponent glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S501/00—Compositions: ceramic
- Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
- Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70
Landscapes
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53123721A JPS5851900B2 (ja) | 1978-10-06 | 1978-10-06 | 高耐水性の光伝送体用ガラス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2940451A1 DE2940451A1 (de) | 1980-04-24 |
| DE2940451C2 true DE2940451C2 (en, 2012) | 1988-12-29 |
Family
ID=14867710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792940451 Granted DE2940451A1 (de) | 1978-10-06 | 1979-10-05 | Lichtuebertragendes glas |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4367012A (en, 2012) |
| JP (1) | JPS5851900B2 (en, 2012) |
| DE (1) | DE2940451A1 (en, 2012) |
| FR (1) | FR2438018A1 (en, 2012) |
| GB (1) | GB2034300B (en, 2012) |
| NL (1) | NL188403C (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1405834A2 (de) | 2002-10-02 | 2004-04-07 | Schott Glas | Optische Fasern aus Mehrkomponentengläsern |
| DE202007018590U1 (de) | 2006-03-14 | 2008-11-27 | Schott Ag | Optisches Glas als Kernglas für einen faseroptischen Lichtleiter sowie faseroptische Stufenindexfaser mit diesem Kernglas |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4452508A (en) * | 1977-06-28 | 1984-06-05 | British Telecommunications | Graded index optical fibres |
| US4249925A (en) * | 1978-05-12 | 1981-02-10 | Fujitsu Limited | Method of manufacturing an optical fiber |
| JPS605538B2 (ja) * | 1979-11-27 | 1985-02-12 | 日本板硝子株式会社 | セシウム含有光学ガラス |
| JPS57200247A (en) * | 1981-05-30 | 1982-12-08 | Toshiba Corp | Glass fiber of multi-component system for optical communication |
| NL8103089A (nl) * | 1981-06-26 | 1983-01-17 | Philips Nv | Optische vezel van het graded index type en werkwijze voor de vervaardiging daarvan. |
| DE3270298D1 (en) * | 1981-12-03 | 1986-05-07 | British Telecomm | Glasses, methods for making them, and optical fibres containing them |
| GB2115403B (en) * | 1982-02-20 | 1985-11-27 | Zeiss Stiftung | Optical and opthalmic glass |
| DE3367585D1 (en) * | 1982-09-10 | 1987-01-02 | British Telecomm | Oxide glass compositions for use in optical fibres |
| JPS59190520U (ja) * | 1983-06-03 | 1984-12-18 | 株式会社 弥刀化工 | 農園芸用支柱等の表面加工装置 |
| US4573762A (en) * | 1983-06-27 | 1986-03-04 | U.S. Philips Corporation | Germanium-free optical fibers having large numerical apertures |
| FR2558152B1 (fr) * | 1984-01-13 | 1992-03-27 | Corning Glass Works | Verres a usage ophtalmique de faible densite, absorbant les radiations ultraviolettes et ayant une haute transmission dans le visible et lentilles correctrices constituees de ces verres |
| JPS60155551A (ja) * | 1984-01-24 | 1985-08-15 | Toshiba Corp | 光フアイバ用被覆ガラス |
| JPS5918131A (ja) * | 1984-01-27 | 1984-01-30 | Nippon Kogaku Kk <Nikon> | 眼鏡レンズ用軽量ガラス |
| DE3524605A1 (de) * | 1985-01-22 | 1987-01-15 | Schott Glaswerke | Lichtwellenleiter, hergestellt aus speziellen hoch-aluminiumhaltigen substratglaesern durch ionenaustausch gegen cs+-ionen |
| US4953938A (en) * | 1985-10-28 | 1990-09-04 | Gte Laboratories Incorporated | Optical fiber expanded beam connector |
| US4814298A (en) * | 1987-10-26 | 1989-03-21 | Corning Glass Works | Lead-free glasses for glaze materials |
| JPH01239036A (ja) * | 1988-03-16 | 1989-09-25 | F G K:Kk | 高強度ガラス |
| US4932752A (en) * | 1989-06-05 | 1990-06-12 | Schott Glass Technologies, Inc. | Fiber optic core glass compositions having a high refractive index |
| DK0564802T3 (da) * | 1992-04-10 | 1997-03-10 | Schott Glaswerke | Bly- og bariumfrit krystalglas med høj lystransmission |
| ATE161523T1 (de) * | 1992-07-01 | 1998-01-15 | Proceram | Bleifreie, durchsichtige, glaskeramische zusammensetzungen und daraus hergestellte gegenstände |
| HU213462B (en) * | 1994-12-22 | 1997-06-30 | Tungsram Reszvenytarsasag | Glass |
| DE19506123C2 (de) * | 1995-02-22 | 1997-01-09 | Cerdec Ag | Bleifreie Glasfritte, Verfahren zu ihrer Herstellung und deren Verwendung |
| HUP9600148A3 (en) * | 1996-01-24 | 1999-01-28 | Gen Electric Company Cleveland | Glass composition |
| US6043170A (en) * | 1996-02-06 | 2000-03-28 | Isover Saint-Gobain | Mineral fiber composition |
| US5843855A (en) * | 1997-01-15 | 1998-12-01 | General Electric Company | Glass |
| DE69816436T2 (de) * | 1997-05-07 | 2004-05-19 | Corning S.A. | Giessformen für organische linsen aus anorganischem glas und neue anorganische gläser |
| DE10057285B4 (de) * | 2000-11-17 | 2004-07-08 | Schott Glas | Einschmelzvorrichtung sowie Verfahren zur Erzeugung hoch-UV-transmittiver Gläser |
| DE10064808B4 (de) * | 2000-12-22 | 2005-09-01 | Schott Ag | Zinkoxidhaltiges Borosilicatglas und dessen Verwendungen |
| DE10130214A1 (de) * | 2001-06-22 | 2003-01-16 | Thueringer Filter Glas Gmbh & | Faserglas und daraus hergestellte Glasfasern, insbesondere Mikroglasfasern |
| DE10133521C1 (de) * | 2001-07-10 | 2002-09-05 | Schott Glas | Bleifreie Optische Gläser |
| DE10309495B4 (de) * | 2003-02-25 | 2006-02-16 | Schott Ag | Aluminosilikatglas und dessen Verwendung |
| DE10311802B4 (de) | 2003-03-12 | 2006-03-02 | Schott Ag | Boroaluminosilikatglas und dessen Verwendung |
| JP2006083019A (ja) * | 2004-09-16 | 2006-03-30 | Canon Inc | 画像表示装置用スペーサと画像表示装置 |
| US7358206B2 (en) * | 2006-05-12 | 2008-04-15 | Corning Incorporated | UV transmitting glasses |
| US8445858B2 (en) * | 2008-11-19 | 2013-05-21 | Nova Scientific, Inc. | Neutron detection and collimation |
| FR2940718A1 (fr) | 2008-12-30 | 2010-07-02 | Areva Nc | Verre alumino-borosilicate pour le confinement d'effluents liquides radioactifs, et procede de traitement d'effluents liquides radioactifs |
| DE102011015161A1 (de) * | 2011-03-26 | 2012-05-24 | Schott Ag | LED-Beleuchtungseinrichtung |
| US8772189B2 (en) * | 2011-05-04 | 2014-07-08 | Ferro Corporation | Glass frit compositions for enamels |
| CN104402235B (zh) * | 2014-11-20 | 2017-08-18 | 重庆国际复合材料有限公司 | 一种玻璃纤维及玻璃纤维复合材料 |
| CN110267923A (zh) * | 2017-02-21 | 2019-09-20 | 株式会社小原 | 光学玻璃、预成形材以及光学元件 |
| US20240190756A1 (en) * | 2021-04-21 | 2024-06-13 | Corning Incorporated | Low-modulus ion-exchangeable glass compositions |
| CN113955937B (zh) * | 2021-11-26 | 2023-11-07 | 中建材光芯科技有限公司 | 可化学强化光纤面板及其制备方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1143732A (en) * | 1914-12-10 | 1915-06-22 | Jenaer Glaswerk Schott & Gen | Glass. |
| US3784386A (en) * | 1971-02-16 | 1974-01-08 | Corning Glass Works | Cladding glasses for photochromic optical fibers |
| JPS4847908A (en, 2012) * | 1971-10-22 | 1973-07-07 | ||
| GB1475500A (en) * | 1973-12-06 | 1977-06-01 | Pilkington Brothers Ltd | Ophthalmic glass compositions |
| US3957342A (en) * | 1974-07-29 | 1976-05-18 | The Post Office | Sodium borosilicate glasses for dielectric optical waveguides |
| JPS5129524A (ja) * | 1974-09-04 | 1976-03-12 | Kanebo Ltd | Sanseisenryokasenseiakuriruseninoseizoho |
| US4210386A (en) * | 1975-04-23 | 1980-07-01 | Corning Glass Works | Fluorine out-diffused optical device and method |
| US4194807A (en) * | 1976-04-09 | 1980-03-25 | Georg Gliemeroth | Optical fiber wave-guides for signal transmission comprising multiple component glass with an adjusted expansion co-efficient between the core and mantle |
| DE2615534C3 (de) * | 1976-04-09 | 1978-10-05 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Für die Nachrichtenübertragung geeignete Lichtleitfaser mit Gradientenprofil aus Mehrkomponentengläsern mit angepaßtem Ausdehnungskoeffizienten zwischen Glaskern und Glasmantel sowie Verfahren zu ihrer Herstellung |
| CA1109083A (en) * | 1977-06-28 | 1981-09-15 | Keith J. Beales | Optical fibres and glasses |
| DE2741314C3 (de) * | 1977-09-14 | 1981-02-12 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Lichtleitfasern zur Nachrichtenübertragung mit hoher Strahlungsstabilität |
| US4277270A (en) * | 1978-04-21 | 1981-07-07 | Eotec Corporation | Method of manufacture of optical fiber |
| US4277271A (en) * | 1978-04-21 | 1981-07-07 | Eotec Corporation | Method of manufacturing graded index optical fibers |
| JPS5812213B2 (ja) * | 1978-05-16 | 1983-03-07 | 株式会社東芝 | 高耐候性光通信用多成分系ガラスファイバ− |
-
1978
- 1978-10-06 JP JP53123721A patent/JPS5851900B2/ja not_active Expired
-
1979
- 1979-10-05 DE DE19792940451 patent/DE2940451A1/de active Granted
- 1979-10-05 GB GB7934665A patent/GB2034300B/en not_active Expired
- 1979-10-05 NL NLAANVRAGE7907421,A patent/NL188403C/xx not_active IP Right Cessation
- 1979-10-08 FR FR7924945A patent/FR2438018A1/fr active Granted
-
1980
- 1980-12-23 US US06/219,535 patent/US4367012A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1405834A2 (de) | 2002-10-02 | 2004-04-07 | Schott Glas | Optische Fasern aus Mehrkomponentengläsern |
| DE202007018590U1 (de) | 2006-03-14 | 2008-11-27 | Schott Ag | Optisches Glas als Kernglas für einen faseroptischen Lichtleiter sowie faseroptische Stufenindexfaser mit diesem Kernglas |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5551733A (en) | 1980-04-15 |
| GB2034300B (en) | 1983-03-23 |
| JPS5851900B2 (ja) | 1983-11-18 |
| DE2940451A1 (de) | 1980-04-24 |
| NL7907421A (nl) | 1980-04-09 |
| US4367012A (en) | 1983-01-04 |
| NL188403C (nl) | 1992-06-16 |
| FR2438018A1 (fr) | 1980-04-30 |
| FR2438018B1 (en, 2012) | 1983-06-03 |
| GB2034300A (en) | 1980-06-04 |
| NL188403B (nl) | 1992-01-16 |
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