JP2017197402A - ガラス母材の製造方法及び製造装置 - Google Patents
ガラス母材の製造方法及び製造装置 Download PDFInfo
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- 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]
- C03B37/01413—Reactant delivery systems
-
- 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]
- C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
- C03B37/01815—Reactant deposition burners or deposition heating means
-
- 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]
- C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/30—For glass precursor of non-standard type, e.g. solid SiH3F
- C03B2207/32—Non-halide
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/70—Control measures
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/80—Feeding the burner or the burner-heated deposition site
- C03B2207/81—Constructional details of the feed line, e.g. heating, insulation, material, manifolds, filters
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/80—Feeding the burner or the burner-heated deposition site
- C03B2207/85—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
- Glass Compositions (AREA)
Abstract
Description
前記ガラス母材の製造方法及び製造装置において、前記ガラス母材として、光ファイバ母材が挙げられる。
図1に、本実施形態によるガラス母材の製造方法及び製造装置を例示する。
図1に示す製造装置10は、概略として、原料化合物11aを送液する送液流路13と、送液流路13により輸送された原料化合物を気化させる気化器16と、気化器16により気化した原料化合物を燃焼させるバーナ20を備える。
この製造装置10を用いた製造方法は、概略として、原料化合物11aを気化器16まで送液する送液工程と、送液された原料化合物を気化させる気化工程と、気化した原料化合物を燃焼させる燃焼工程を備える。
アルキルシランとしては、テトラアルキルシランが挙げられる。
アルコキシシランとしては、例えば、テトラメトキシシラン等のテトラアルコキシシラン、メチルトリメトキシシラン等のアルキルアルコキシシランが挙げられる。
アルキルシロキサンとしては、ヘキサメチルジシロキサンが挙げられる。
アルキルシクロシロキサンとしては、ヘキサメチルシクロトリシロキサン、テトラメチルシクロテトラシロキサン、オクタメチルシクロテトラシロキサン、デカメチルシクロペンタシロキサンが挙げられる。
原料化合物としては、有機ケイ素化合物に限らず、液体として送液が可能で、加熱により気化し、燃焼によりガラスを生成できる各種化合物、例えば有機金属化合物、無機金属化合物等を使用することができる。
図1に示す製造装置10を用いて、バーナ20の酸水素火炎により生成したSiO2を堆積させた。
条件1〜3に示すように、脱気の際、原料化合物の比表面積が0.75mm−1以上、原料化合物の真空暴露時間が18秒以上である場合、流量バラつきが低減された。
条件4〜6に示すように、真空暴露時間が短い、又は比表面積が小さい場合には、流量バラつきが大きくなった。また、流量バラつきの結果、逆火が起こったり、また断続的な不完全燃焼が起こったため、ガラススート製造が不安定化した。
Claims (6)
- 有機ケイ素化合物を含む原料化合物を加圧用ガスにより加圧して送液し、前記加圧後の原料化合物から溶存ガスを脱気し、前記脱気後の原料化合物の流量をマスフローコントローラにより制御し、前記マスフローコントローラを経て送液された原料化合物を気化させ、前記気化後の原料化合物をバーナで燃焼させて、SiO2を生成することを特徴とするガラス母材の製造方法。
- 前記溶存ガスの脱気の際、前記原料化合物の比表面積が0.75mm−1以上、前記原料化合物の真空暴露時間が18秒以上であることを特徴とする請求項1に記載のガラス母材の製造方法。
- 前記ガラス母材が光ファイバ母材であることを特徴とする請求項1又は2に記載のガラス母材の製造方法。
- 有機ケイ素化合物を含む原料化合物を加圧用ガスにより加圧して送液する送液流路と、
前記送液流路の途中で、前記加圧後の原料化合物から溶存ガスを脱気する脱気装置と、
前記送液流路の途中で、前記脱気装置を経た脱気後の原料化合物の流量を制御するマスフローコントローラと、
前記マスフローコントローラを経た原料化合物を気化させる気化器と、
前記気化器を経た気化後の原料化合物を燃焼させてSiO2を生成するバーナと、
を備えるガラス母材の製造装置。 - 前記脱気装置において、前記原料化合物の比表面積が0.75mm−1以上、前記原料化合物の真空暴露時間が18秒以上であることを特徴とする請求項4に記載のガラス母材の製造装置。
- 前記ガラス母材が光ファイバ母材であることを特徴とする請求項4又は5に記載のガラス母材の製造装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016089084A JP6700095B2 (ja) | 2016-04-27 | 2016-04-27 | ガラス母材の製造方法及び製造装置 |
EP17789203.1A EP3450407B1 (en) | 2016-04-27 | 2017-04-05 | Method for manufacturing glass matrix |
US16/081,355 US20190092677A1 (en) | 2016-04-27 | 2017-04-05 | Method and apparatus for manufacturing glass preform |
PCT/JP2017/014234 WO2017187915A1 (ja) | 2016-04-27 | 2017-04-05 | ガラス母材の製造方法及び製造装置 |
CN201780015252.3A CN108779011A (zh) | 2016-04-27 | 2017-04-05 | 玻璃母材的制造方法及制造装置 |
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Cited By (5)
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WO2019073896A1 (ja) | 2017-10-11 | 2019-04-18 | 株式会社Jvcケンウッド | 位相変調装置 |
JP2020029389A (ja) * | 2018-08-23 | 2020-02-27 | 信越化学工業株式会社 | 光ファイバ用多孔質ガラス母材の製造方法および製造装置 |
WO2021220747A1 (ja) | 2020-05-01 | 2021-11-04 | 信越化学工業株式会社 | 多孔質ガラス母材製造装置、多孔質ガラス母材の製造方法、および光ファイバ用ガラス母材の製造方法 |
WO2022224804A1 (ja) * | 2021-04-21 | 2022-10-27 | 住友電気工業株式会社 | 光ファイバ用ガラス母材の製造装置および光ファイバ用ガラス母材の製造方法 |
KR102718608B1 (ko) | 2018-08-23 | 2024-10-16 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 광섬유용 다공질 유리 모재의 제조 방법 및 제조 장치 |
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US20220081344A1 (en) * | 2018-12-04 | 2022-03-17 | Sumitomo Electric Industries, Ltd. | Device and method for producing fine glass particle deposited body |
WO2020116522A1 (ja) * | 2018-12-04 | 2020-06-11 | 住友電気工業株式会社 | ガラス微粒子堆積体製造用の原料供給装置および原料供給方法 |
JP7058627B2 (ja) | 2019-06-11 | 2022-04-22 | 信越化学工業株式会社 | 光ファイバ用多孔質ガラス母材の製造装置および製造方法 |
US20220098084A1 (en) * | 2020-05-20 | 2022-03-31 | Corning Incorporated | Methods for increasing deposition in a flame hydrolysis deposition process |
WO2023038124A1 (ja) * | 2021-09-10 | 2023-03-16 | 住友電気工業株式会社 | 光ファイバ用ガラス母材の製造装置および光ファイバ用ガラス母材の製造方法 |
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WO2019073896A1 (ja) | 2017-10-11 | 2019-04-18 | 株式会社Jvcケンウッド | 位相変調装置 |
JP2020029389A (ja) * | 2018-08-23 | 2020-02-27 | 信越化学工業株式会社 | 光ファイバ用多孔質ガラス母材の製造方法および製造装置 |
WO2020039893A1 (ja) | 2018-08-23 | 2020-02-27 | 信越化学工業株式会社 | 光ファイバ用多孔質ガラス母材の製造方法および製造装置 |
KR20210048484A (ko) | 2018-08-23 | 2021-05-03 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 광섬유용 다공질 유리 모재의 제조 방법 및 제조 장치 |
US11999646B2 (en) | 2018-08-23 | 2024-06-04 | Shin-Etsu Chemical Co., Ltd. | Manufacturing method of porous glass base material for optical fiber and manufacturing apparatus |
KR102718608B1 (ko) | 2018-08-23 | 2024-10-16 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 광섬유용 다공질 유리 모재의 제조 방법 및 제조 장치 |
WO2021220747A1 (ja) | 2020-05-01 | 2021-11-04 | 信越化学工業株式会社 | 多孔質ガラス母材製造装置、多孔質ガラス母材の製造方法、および光ファイバ用ガラス母材の製造方法 |
KR20230004461A (ko) | 2020-05-01 | 2023-01-06 | 신에쓰 가가꾸 고교 가부시끼가이샤 | 다공질 유리 모재 제조 장치, 다공질 유리 모재의 제조 방법, 및 광섬유용 유리 모재의 제조 방법 |
WO2022224804A1 (ja) * | 2021-04-21 | 2022-10-27 | 住友電気工業株式会社 | 光ファイバ用ガラス母材の製造装置および光ファイバ用ガラス母材の製造方法 |
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WO2017187915A1 (ja) | 2017-11-02 |
JP6700095B2 (ja) | 2020-05-27 |
EP3450407A1 (en) | 2019-03-06 |
EP3450407A4 (en) | 2019-12-25 |
EP3450407B1 (en) | 2023-08-23 |
CN108779011A (zh) | 2018-11-09 |
US20190092677A1 (en) | 2019-03-28 |
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