DE3518142A1 - Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter - Google Patents
Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiterInfo
- Publication number
- DE3518142A1 DE3518142A1 DE19853518142 DE3518142A DE3518142A1 DE 3518142 A1 DE3518142 A1 DE 3518142A1 DE 19853518142 DE19853518142 DE 19853518142 DE 3518142 A DE3518142 A DE 3518142A DE 3518142 A1 DE3518142 A1 DE 3518142A1
- Authority
- DE
- Germany
- Prior art keywords
- mold
- glass
- starting material
- filled
- porous body
- 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.)
- Withdrawn
Links
- 239000011521 glass Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 230000007774 longterm Effects 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 66
- 238000011049 filling Methods 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 32
- 239000007858 starting material Substances 0.000 claims description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 31
- 238000005245 sintering Methods 0.000 claims description 14
- 239000002019 doping agent Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 229910052681 coesite Inorganic materials 0.000 claims description 8
- 229910052906 cristobalite Inorganic materials 0.000 claims description 8
- 229910052682 stishovite Inorganic materials 0.000 claims description 8
- 229910052905 tridymite Inorganic materials 0.000 claims description 8
- 238000005429 filling process Methods 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 38
- 239000007789 gas Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 239000011162 core material Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229940108461 rennet Drugs 0.000 description 1
- 108010058314 rennet Proteins 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 208000000318 vitreous detachment Diseases 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
- C03B37/01282—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by pressing or sintering, e.g. hot-pressing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
-
- 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
- Y10S65/00—Glass manufacturing
- Y10S65/90—Drying, dehydration, minimizing oh groups
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
- Glass Compositions (AREA)
- Optical Integrated Circuits (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853518142 DE3518142A1 (de) | 1985-05-21 | 1985-05-21 | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter |
| DE8686106285T DE3660717D1 (en) | 1985-05-21 | 1986-05-07 | Method for making an elongated glass object, in particular a preform for an optical-wave guide |
| EP86106285A EP0202548B1 (de) | 1985-05-21 | 1986-05-07 | Verfahren zur Herstellung eines länglichen Glaskörpers, insbesondere einer Vorform für Lichtwellenleiter |
| AT86106285T ATE37173T1 (de) | 1985-05-21 | 1986-05-07 | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter. |
| ZA863588A ZA863588B (en) | 1985-05-21 | 1986-05-14 | Optical waveguides |
| CN86103379A CN86103379B (zh) | 1985-05-21 | 1986-05-17 | 细长玻璃体，特别是光波导预制件的制造方法 |
| BR8602252A BR8602252A (pt) | 1985-05-21 | 1986-05-19 | Metodo para produzir um corpo alongado de vidro,particularmente uma pre-forma para guias de ondas oticas |
| JP61117149A JPH0717394B2 (ja) | 1985-05-21 | 1986-05-21 | 細長いガラス体、特に光導波体用プリフオ−ムの製造方法 |
| IN410/MAS/86A IN167701B (https=) | 1985-05-21 | 1986-05-27 | |
| US07/102,294 US4867774A (en) | 1985-05-21 | 1987-09-25 | Method of producing an elongated glass body, particularly a preform for optical waveguides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853518142 DE3518142A1 (de) | 1985-05-21 | 1985-05-21 | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3518142A1 true DE3518142A1 (de) | 1986-11-27 |
Family
ID=6271196
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853518142 Withdrawn DE3518142A1 (de) | 1985-05-21 | 1985-05-21 | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter |
| DE8686106285T Expired DE3660717D1 (en) | 1985-05-21 | 1986-05-07 | Method for making an elongated glass object, in particular a preform for an optical-wave guide |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8686106285T Expired DE3660717D1 (en) | 1985-05-21 | 1986-05-07 | Method for making an elongated glass object, in particular a preform for an optical-wave guide |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4867774A (https=) |
| EP (1) | EP0202548B1 (https=) |
| JP (1) | JPH0717394B2 (https=) |
| CN (1) | CN86103379B (https=) |
| AT (1) | ATE37173T1 (https=) |
| BR (1) | BR8602252A (https=) |
| DE (2) | DE3518142A1 (https=) |
| IN (1) | IN167701B (https=) |
| ZA (1) | ZA863588B (https=) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3624918A1 (de) * | 1986-07-23 | 1988-01-28 | Standard Elektrik Lorenz Ag | Verfahren zum herstellen von lichtwellenleitern, ausgehend von pulverfoermigem glasausgangsmaterial |
| JP2737191B2 (ja) * | 1987-12-28 | 1998-04-08 | 東ソー株式会社 | 均質な石英ガラス塊の製造方法 |
| DE3911745A1 (de) * | 1989-04-11 | 1990-10-25 | Philips Patentverwaltung | Verfahren zur herstellung von glaskoerpern mit bereichen unterschiedlicher optischer brechung |
| US5169421A (en) * | 1990-09-15 | 1992-12-08 | The Furukawa Electric Co., Ltd. | Method of manufacturing silica glass optical waveguide preform |
| DE59102740D1 (de) * | 1990-12-21 | 1994-10-06 | Kabelmetal Electro Gmbh | Verfahren zum Herstellen einer Lichtwellenleiter Vorform. |
| JPH05193975A (ja) * | 1991-08-29 | 1993-08-03 | Furukawa Electric Co Ltd:The | 押出し成形式多孔質光ファイバ母材製造装置 |
| AU2172199A (en) * | 1998-01-26 | 1999-08-09 | British Nuclear Fuels Plc | Improvements in and relating to the handling, treatment and storage of waste |
| US6128926A (en) | 1999-03-15 | 2000-10-10 | Dicon Fiberoptics, Inc. | Graded index lens for fiber optic applications and technique of fabrication |
| US6711918B1 (en) * | 2001-02-06 | 2004-03-30 | Sandia National Laboratories | Method of bundling rods so as to form an optical fiber preform |
| US20070240454A1 (en) * | 2006-01-30 | 2007-10-18 | Brown David P | Method and apparatus for continuous or batch optical fiber preform and optical fiber production |
| JP4798185B2 (ja) * | 2008-08-05 | 2011-10-19 | パナソニック電工株式会社 | 積層造形装置 |
| US8578736B2 (en) * | 2008-09-23 | 2013-11-12 | Corning Incorporated | Soot radial pressing for optical fiber overcladding |
| US8904828B2 (en) * | 2008-10-30 | 2014-12-09 | Corning Incorporated | Methods for forming cladding portions of optical fiber preform assemblies |
| US9108876B2 (en) * | 2011-11-30 | 2015-08-18 | Corning Incorporated | Pressed, multilayered silica soot preforms for the manufacture of single sinter step, complex refractive index profile optical fiber |
| US10494291B2 (en) | 2014-10-23 | 2019-12-03 | Corning Incorporated | Hygroscopic additives for silica soot compacts and methods for forming optical quality glass |
| US10793466B2 (en) | 2015-02-27 | 2020-10-06 | Corning Incorporated | Nanoparticle additives for silica soot compacts and methods for strengthening silica soot compacts |
| CN107284708A (zh) * | 2016-03-30 | 2017-10-24 | 广东科达洁能股份有限公司 | 一种坩埚粉料填实装置 |
| US11345606B2 (en) | 2017-02-17 | 2022-05-31 | David Brown | Deposition particles and a method and apparatus for producing the same |
| EP3702333B1 (de) * | 2019-03-01 | 2025-01-22 | Heraeus Quarzglas GmbH & Co. KG | Verfahren und vorrichtung zur herstellung eines glasbauteils |
| JP2024146061A (ja) * | 2023-03-31 | 2024-10-15 | 古河電気工業株式会社 | 光ファイバ母材の製造方法および光ファイバの製造方法 |
| CN116924676A (zh) * | 2023-07-28 | 2023-10-24 | 中国建筑材料科学研究总院有限公司 | 一种多功能玻璃纤维及其制备方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1599084A (en) * | 1923-02-17 | 1926-09-07 | Dentists Supply Co | Method for forming molded objects |
| GB454071A (en) * | 1935-02-18 | 1936-09-23 | Heraeus Gmbh W C | Method of manufacturing articles from refractory or sinterable materials |
| US2637890A (en) * | 1950-09-11 | 1953-05-12 | Stark Ceramics Inc | Method of making metallic and clay articles |
| US2696652A (en) * | 1951-07-25 | 1954-12-14 | Raytheon Mfg Co | Quartz article and method for fabricating it |
| US2960723A (en) * | 1953-07-15 | 1960-11-22 | Stark Howard John | Glass fiber forming machine |
| US3402226A (en) * | 1961-10-02 | 1968-09-17 | Eastman Kodak Co | Process of hot pressing magnesium oxide infrared transmitting optical elements |
| US4081564A (en) * | 1975-03-11 | 1978-03-28 | Oscar Mayer & Co. Inc. | Method and apparatus for continuously making loaf meat |
| JPS5335577A (en) * | 1976-09-14 | 1978-04-03 | Tamura Electric Works Ltd | Shutter type digital clock |
| SE7802873L (sv) * | 1978-03-14 | 1979-09-15 | Joenkoeping Vulcan Ab | Forfarande och anordning for astadkommande av hal i kroppar av formspan eller liknande |
| US4230473A (en) * | 1979-03-16 | 1980-10-28 | Bell Telephone Laboratories, Incorporated | Method of fabricating optical fibers |
| US4251251A (en) * | 1979-05-31 | 1981-02-17 | Corning Glass Works | Method of making optical devices |
| JPS5632344A (en) * | 1979-08-25 | 1981-04-01 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of optical fiber base material |
| JPS5844619B2 (ja) * | 1979-09-26 | 1983-10-04 | 日本電信電話株式会社 | 光フアイバ母材の製造法 |
| US4473526A (en) * | 1980-01-23 | 1984-09-25 | Eugen Buhler | Method of manufacturing dry-pressed molded articles |
| DE3217965A1 (de) * | 1982-05-13 | 1983-11-17 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zur herstellung von glasfaser-lichtwellenleitern |
| JPS58208146A (ja) * | 1982-05-27 | 1983-12-03 | Fujikura Ltd | 耐放射線用光フアイバ母材の製造方法 |
| JPS58215299A (ja) * | 1982-06-09 | 1983-12-14 | Nippon Piston Ring Co Ltd | 複合バルブシ−トの製造方法 |
| EP0127956A1 (en) * | 1983-05-10 | 1984-12-12 | Aetna Telecommunications Laboratories | Method for manufacturing sinterable glass bodies |
| DE3563529D1 (en) * | 1984-02-23 | 1988-08-04 | Alcatel Nv | Method of making a long glass body, particularly a preform for optical light guides |
| DE3406475A1 (de) * | 1984-02-23 | 1985-08-29 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter |
| DE3430265A1 (de) * | 1984-08-17 | 1986-02-27 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter |
-
1985
- 1985-05-21 DE DE19853518142 patent/DE3518142A1/de not_active Withdrawn
-
1986
- 1986-05-07 DE DE8686106285T patent/DE3660717D1/de not_active Expired
- 1986-05-07 EP EP86106285A patent/EP0202548B1/de not_active Expired
- 1986-05-07 AT AT86106285T patent/ATE37173T1/de not_active IP Right Cessation
- 1986-05-14 ZA ZA863588A patent/ZA863588B/xx unknown
- 1986-05-17 CN CN86103379A patent/CN86103379B/zh not_active Expired
- 1986-05-19 BR BR8602252A patent/BR8602252A/pt not_active IP Right Cessation
- 1986-05-21 JP JP61117149A patent/JPH0717394B2/ja not_active Expired - Lifetime
- 1986-05-27 IN IN410/MAS/86A patent/IN167701B/en unknown
-
1987
- 1987-09-25 US US07/102,294 patent/US4867774A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN86103379A (zh) | 1986-11-19 |
| JPS61266325A (ja) | 1986-11-26 |
| ZA863588B (en) | 1986-12-30 |
| CN86103379B (zh) | 1988-08-17 |
| US4867774A (en) | 1989-09-19 |
| DE3660717D1 (en) | 1988-10-20 |
| ATE37173T1 (de) | 1988-09-15 |
| EP0202548A1 (de) | 1986-11-26 |
| BR8602252A (pt) | 1987-01-13 |
| IN167701B (https=) | 1990-12-08 |
| JPH0717394B2 (ja) | 1995-03-01 |
| EP0202548B1 (de) | 1988-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |