JPWO2024024729A1 - - Google Patents
Info
- Publication number
- JPWO2024024729A1 JPWO2024024729A1 JP2024537709A JP2024537709A JPWO2024024729A1 JP WO2024024729 A1 JPWO2024024729 A1 JP WO2024024729A1 JP 2024537709 A JP2024537709 A JP 2024537709A JP 2024537709 A JP2024537709 A JP 2024537709A JP WO2024024729 A1 JPWO2024024729 A1 JP WO2024024729A1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/412—Index profiling of optical fibres
-
- 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
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
-
- 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
- C03B37/07—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/70—Control measures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022118756 | 2022-07-26 | ||
| PCT/JP2023/027018 WO2024024729A1 (ja) | 2022-07-26 | 2023-07-24 | 光ファイバ用母材、光ファイバ用母材の屈折率分布の測定方法、及び光ファイバ用母材の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2024024729A1 true JPWO2024024729A1 (https=) | 2024-02-01 |
| JPWO2024024729A5 JPWO2024024729A5 (https=) | 2025-05-27 |
Family
ID=89706640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024537709A Pending JPWO2024024729A1 (https=) | 2022-07-26 | 2023-07-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20260029342A1 (https=) |
| EP (1) | EP4563540A1 (https=) |
| JP (1) | JPWO2024024729A1 (https=) |
| CN (1) | CN119212956A (https=) |
| WO (1) | WO2024024729A1 (https=) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62167238A (ja) * | 1986-01-20 | 1987-07-23 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
| JPH11199263A (ja) * | 1998-01-06 | 1999-07-27 | Sumitomo Electric Ind Ltd | 光ファイバ母材製造方法 |
| JP2003277069A (ja) * | 2002-03-22 | 2003-10-02 | Fujikura Ltd | 多孔質母材の製造方法 |
| JP2013047165A (ja) * | 2011-08-29 | 2013-03-07 | Sumitomo Electric Ind Ltd | ガラス微粒子堆積体の製造方法及び光ファイバ用ガラス母材及び光ファイバ |
| JP2013056786A (ja) * | 2011-09-07 | 2013-03-28 | Sumitomo Electric Ind Ltd | 光ファイバ用母材の製造方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013056794A (ja) | 2011-09-07 | 2013-03-28 | Sumitomo Electric Ind Ltd | ガラス微粒子堆積体の製造方法及び光ファイバ用ガラス母材 |
-
2023
- 2023-07-24 EP EP23846459.8A patent/EP4563540A1/en active Pending
- 2023-07-24 CN CN202380043360.7A patent/CN119212956A/zh active Pending
- 2023-07-24 WO PCT/JP2023/027018 patent/WO2024024729A1/ja not_active Ceased
- 2023-07-24 JP JP2024537709A patent/JPWO2024024729A1/ja active Pending
- 2023-07-24 US US18/997,919 patent/US20260029342A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62167238A (ja) * | 1986-01-20 | 1987-07-23 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
| JPH11199263A (ja) * | 1998-01-06 | 1999-07-27 | Sumitomo Electric Ind Ltd | 光ファイバ母材製造方法 |
| JP2003277069A (ja) * | 2002-03-22 | 2003-10-02 | Fujikura Ltd | 多孔質母材の製造方法 |
| JP2013047165A (ja) * | 2011-08-29 | 2013-03-07 | Sumitomo Electric Ind Ltd | ガラス微粒子堆積体の製造方法及び光ファイバ用ガラス母材及び光ファイバ |
| JP2013056786A (ja) * | 2011-09-07 | 2013-03-28 | Sumitomo Electric Ind Ltd | 光ファイバ用母材の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20260029342A1 (en) | 2026-01-29 |
| WO2024024729A1 (ja) | 2024-02-01 |
| CN119212956A (zh) | 2024-12-27 |
| EP4563540A1 (en) | 2025-06-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20250519 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20250519 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20260407 |