C03B37/01- Manufacture of glass fibres or filaments.C03B37/00- Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags.C03B- MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES.235000012239 silicon dioxide Nutrition 0.000 description 1.125000001153 fluoro group Chemical group F* 0.000 description 1.235000010599 Verbascum thapsus Nutrition 0.000 description 1.YCKRFDGAMUMZLT-UHFFFAOYSA-N fluorine atom Chemical compound YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2. 238000005516 engineering process Methods 0.000 description 2.238000006011 modification reaction Methods 0.000 description 3.229910052731 fluorine Inorganic materials 0.000 description 3.230000005540 biological transmission Effects 0.000 description 6.VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 34.239000002019 doping agent Substances 0.000 claims description 11.238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 13.239000000835 fiber Substances 0.000 claims abstract description 23.238000005229 chemical vapour deposition Methods 0.000 claims abstract description 34.238000005253 cladding Methods 0.000 claims abstract description 87.238000004519 manufacturing process Methods 0.000 title claims abstract description 22.239000003365 glass fiber Substances 0.000 title claims abstract description 80.Publication of EP2418181A1 publication Critical patent/EP2418181A1/en Application granted granted Critical Publication of EP2418181B1 publication Critical patent/EP2418181B1/en Status Active legal-status Critical Current Anticipated expiration legal-status Critical Links 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 Priority claimed from US37262910P external-priority Application filed by Draka Comteq BV filed Critical Draka Comteq BV First worldwide family litigation filed litigation Critical (A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License. Original Assignee Draka Comteq BV 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 or warranty as to the accuracy of the list.) ( en Inventor Louis-Anne De Montmorrilon Frans Gooijer Pierre Sillard Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number EP11174603A Other languages German ( de) Google Patents A method of fabricating an optical fiber preformĭownload PDF Info Publication number EP2418181A1 EP2418181A1 EP11174603A EP11174603A EP2418181A1 EP 2418181 A1 EP2418181 A1 EP 2418181A1 EP 11174603 A EP11174603 A EP 11174603A EP 11174603 A EP11174603 A EP 11174603A EP 2418181 A1 EP2418181 A1 EP 2418181A1 Authority EP European Patent Office Prior art keywords preform rod buried trench optical fiber tube Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents EP2418181A1 - A method of fabricating an optical fiber preform EP2418181A1 - A method of fabricating an optical fiber preform
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