WO2008075546A1 - Verre pour un substrat - Google Patents

Verre pour un substrat Download PDF

Info

Publication number
WO2008075546A1
WO2008075546A1 PCT/JP2007/073157 JP2007073157W WO2008075546A1 WO 2008075546 A1 WO2008075546 A1 WO 2008075546A1 JP 2007073157 W JP2007073157 W JP 2007073157W WO 2008075546 A1 WO2008075546 A1 WO 2008075546A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
less
substrate
wavelength
geo
Prior art date
Application number
PCT/JP2007/073157
Other languages
English (en)
Japanese (ja)
Inventor
Seiki Ohara
Yuki Kondo
Naoki Sugimoto
Original Assignee
Asahi Glass Company, Limited
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 as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007174262A external-priority patent/JP2008174440A/ja
Application filed by Asahi Glass Company, Limited filed Critical Asahi Glass Company, Limited
Publication of WO2008075546A1 publication Critical patent/WO2008075546A1/fr

Links

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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/253—Silica-free oxide glass compositions containing germanium
    • 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
    • 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
    • C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
    • 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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/10—Compositions for glass with special properties for infrared transmitting glass

Definitions

  • the present invention is a sensor for detecting concentration of CO gas, CO gas, NO gas, etc., which transmits infrared rays.
  • the present invention relates to a glass for a substrate suitable for a substrate or the like.
  • Infrared light with a wavelength of 4 ⁇ m is used for CO gas detection and CO gas detection.
  • Infrared rays with a wavelength of 3-5 m are used for temperature detection.
  • An infrared filter in which a multilayer film is formed on a substrate that transmits rays is used.
  • a substrate a germanium substrate or a silicon substrate is widely used. These substrates are expensive and an alternative material is required.
  • Bi O -PbO-ZnO-CdF glass is a thermally stable glass that transmits infrared light.
  • Patent Document 1 Bi 2 O 3 —ZnO—R 2 O glass (R is an alkali metal.
  • Patent Document 2
  • Patent Document 1 Japanese Patent Laid-Open No. 8-188445
  • Patent Document 2 JP-A-8-133779
  • the BiO-PbO-ZnO-CdF-based glass is not preferable in that it contains PbO.
  • the BiO-ZnO-R ⁇ glass has high light transmission up to the infrared region with a wavelength of 7.5 ⁇ m.
  • An object of the present invention is to provide a glass for a substrate that can solve such problems.
  • BiO is 10 to 55%
  • GeO is 20 to 8 in terms of mol% based on the following oxides.
  • Substrate glass (Aspect A glass) containing 50% or more of O + GeO and not containing MgO
  • GaO gallium arsphide
  • “contains 0-19% GaO” means that GaO is not essential, but 19%
  • a glass for substrates is obtained that has a high Tg (glass transition point), is thermally stable, has a high transmittance at a wavelength of 5.5 111, and a low transmittance at a wavelength of 7 am.
  • the glass for a substrate of the present invention (hereinafter, the glass of the present invention and V) is suitable for a glass substrate of a gas analyzer, a radiation thermometer, an infrared sensor or the like.
  • the Tg of the glass of the present invention is preferably 400 ° C or higher. Below 400 ° C, the substrate may be deteriorated when detecting relatively high-temperature infrared rays, or the substrate may be deformed in the vapor deposition process for forming the multilayer film.
  • the glass of the present invention has a light transmittance (T) of 50% or more at a wavelength of 5.5 m at a thickness of lmm.
  • O ⁇ m at a thickness of lmm is preferably 10% or less.
  • T force is less than 3 ⁇ 40%, the necessary amount of light may not be obtained.
  • a substrate made of the glass of the present invention a concentration detection sensor substrate such as NO gas, a high temperature sensor
  • the transmittance (T) of the light of a wavelength of 6.5 m at a thickness lmm of the glass of the present invention is 4% or less! /. If it exceeds 4%, light of unnecessary wavelength is blocked.
  • BiO is an essential component. If its content is less than 10%, the melting temperature becomes high, and
  • GeO is a network former and a component that lowers T and is essential
  • T becomes high or devitrification tends to occur. More preferable
  • T may decrease if the total content of BiO and GeO is less than 50%.
  • Ga 2 O nor Al 2 O is a component that suppresses devitrification, although it is not essential.
  • Ga may be contained in a range of 19% or less and 15% or less, respectively.
  • GaO is 16% or less, and AlO is 12% or less.
  • the total content of GaO and AlO is preferably 2 to 30%.
  • the devitrification suppressing effect of the glass may be insufficient.
  • the glass tends to be devitrified. More preferably, it is 25% or less, particularly preferably 22% or less.
  • the BiO content is 15% or more
  • the GeO content is 80% or less
  • GeO + A10 is preferably 60% or more. T less than 60%, for example 4
  • the glass of the present invention does not impair the object of the present invention, and BiO, GeO, GaO and
  • Components other than 2 3 2 2 3 and Al 2 O may be contained. In the following, such components are illustratively described.
  • the total content of BiO, GeO, GaO and AlO is preferably 70% or more, T
  • MgO, CaO, SrO and BaO are essential, but may be contained in a total content of 25% or less in order to suppress devitrification. If it exceeds 25%, the glass tends to be easily devitrified. Preferably it is 20% or less.
  • MgO + CaO + SrO is typically 0-8%.
  • MgO, CaO, SrO and BaO When MgO, CaO, SrO and BaO are contained, their content is preferably 10% or less, 15% or less, 15% or less, and 20% or less, respectively, typically 7% or less, % Or less, 7% or less, 18% or less.
  • Ga 2 O + MgO When MgO is contained, Ga 2 O + MgO must be 20% or less. 20%
  • ZnO is not essential, but may be contained up to 20% in order to suppress devitrification. If it exceeds 20%, devitrification tends to occur. Typically less than 15%.
  • V which may contain up to 25% of total content. If it exceeds 25%, chemical durability may be reduced. Preferably it is 20% or less, typically 15% or less.
  • CeO is not essential, but Bi O precipitates as metallic bismuth in the glass melt
  • the glass may be contained up to 2%. If it exceeds 2%, the glass tends to be devitrified. Preferably it is 1% or less, More preferably, it is 0.5% or less.
  • the content is preferably 0.05% or more, more preferably 0.1% or more.
  • the oxide may be contained.
  • the total content of these components is 10% The following is preferable. If it exceeds 10%, devitrification tends to occur. Typically less than 5%.
  • O + Y O + Nb O + ZnO is preferably 15% or less. More than 15% is devitrified
  • SiO When SiO is contained, its content is preferably 1% or less. Over 1%
  • the content is preferably 1% or less. Over 1%
  • P o is typically not included.
  • the glass of the aspect A is essentially composed of Bi O and GeO, which are essential components, and any one component.
  • Quasi-essential components that must contain GaO, AlO and optional components CaO, Sr
  • the total content of such components is preferably 15% or less, more preferably 10% or less, typically 5% or less.
  • examples of such components include TiO, ZrO, InO, LaO, YO, and the like described above as examples.
  • NbO is typical, and the above explanation regarding SiO, B 2 O, and P 2 O applies as well.
  • Na 2 O + K 0 is 0-20%.
  • the method for producing the glass of the present invention is not particularly limited.
  • raw materials are prepared and mixed, and then placed in a gold crucible, platinum crucible, alumina crucible, or quartz crucible, and 800 to; air at 1300 ° C.
  • the sol-gel method may be manufactured by a method other than the melting method such as a vapor deposition method.
  • a glass having a composition indicated by% is produced by a melting method.
  • Examples;! -47 are examples, examples 48-5 3 is a comparative example.
  • Tg, T, ⁇ , and ⁇ were estimated by calculation from the force not produced by the melting method, that is, from the composition.
  • the substrate glass of the present invention is a concentration detection sensor for CO gas, CO gas, NO gas, etc.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

L'invention concerne un verre pour un substrat, dont la transmittance pour une lumière d'une longueur d'onde de 5,5 µm est de 50 % ou plus, et la transmittance pour une lumière d'une longueur d'onde de 7,0 µm est de 10 % ou moins, quand il est préparé à une épaisseur de 1 mm. L'invention concerne spécifiquement un verre pour un substrat, qui comprend (en moles, en terme d'oxyde) : 10 à 55 % de Bi2O3 ; 20 à 85 % de GeO2 ; 0 à 19 % de Ga2O3 ; et 0 à 15 % de Al2O3, la somme totale de Bi2O3 et GeO2 représentant 50 % ou plus et, si du MgO est présent, la somme totale de Ga2O3 et MgO représentant 20 % ou moins. Dans le verre, la teneur en Bi2O3 peut être de 15 % ou plus, la teneur en GeO2 peut être de 80 % ou moins, et la somme totale de Ga2O3 et Al2O3 peut représenter 2 à 30 %. Dans le verre, la somme totale de GeO2 et Al2O3 peut représenter 60 % ou plus. Le verre peut avoir une température de transition vitreuse de 400˚C ou plus.
PCT/JP2007/073157 2006-12-19 2007-11-30 Verre pour un substrat WO2008075546A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006340941 2006-12-19
JP2006-340941 2006-12-19
JP2007174262A JP2008174440A (ja) 2006-12-19 2007-07-02 基板用ガラス
JP2007-174262 2007-07-02

Publications (1)

Publication Number Publication Date
WO2008075546A1 true WO2008075546A1 (fr) 2008-06-26

Family

ID=39536180

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/073157 WO2008075546A1 (fr) 2006-12-19 2007-11-30 Verre pour un substrat

Country Status (1)

Country Link
WO (1) WO2008075546A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102432174A (zh) * 2011-09-08 2012-05-02 中国科学院上海光学精密机械研究所 红外窗口玻璃
CN102674690A (zh) * 2012-05-31 2012-09-19 中国科学院上海光学精密机械研究所 3μm掺稀土离子的铋锗酸盐激光玻璃及其制备方法
FR3002530A1 (fr) * 2013-02-28 2014-08-29 Centre Nat Rech Scient Verres et vitroceramiques nanostructures transparents dans le visible et l'infrarouge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05201745A (ja) * 1990-11-28 1993-08-10 Corning Inc 優れた放射線透過特性および光学的非直線性を有するガラス
JP2005239476A (ja) * 2004-02-26 2005-09-08 Sumita Optical Glass Inc 精密プレス成形用光学ガラス
JP2006518325A (ja) * 2003-02-20 2006-08-10 ショット アクチエンゲゼルシャフト 酸化ビスマスガラスおよびそれを製造するプロセス

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05201745A (ja) * 1990-11-28 1993-08-10 Corning Inc 優れた放射線透過特性および光学的非直線性を有するガラス
JP2006518325A (ja) * 2003-02-20 2006-08-10 ショット アクチエンゲゼルシャフト 酸化ビスマスガラスおよびそれを製造するプロセス
JP2005239476A (ja) * 2004-02-26 2005-09-08 Sumita Optical Glass Inc 精密プレス成形用光学ガラス

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102432174A (zh) * 2011-09-08 2012-05-02 中国科学院上海光学精密机械研究所 红外窗口玻璃
CN102674690A (zh) * 2012-05-31 2012-09-19 中国科学院上海光学精密机械研究所 3μm掺稀土离子的铋锗酸盐激光玻璃及其制备方法
FR3002530A1 (fr) * 2013-02-28 2014-08-29 Centre Nat Rech Scient Verres et vitroceramiques nanostructures transparents dans le visible et l'infrarouge
WO2014131881A1 (fr) * 2013-02-28 2014-09-04 Centre National De La Recherche Scientifique (Cnrs) Verres et vitroceramiques nanostructures transparents dans le visible et l'infrarouge
CN105102389A (zh) * 2013-02-28 2015-11-25 国家科学研究中心 在可见和红外范围内透明的纳米结构的透镜和玻璃陶瓷
JP2016508480A (ja) * 2013-02-28 2016-03-22 サントル ナスィオナル ド ラ ルシェルシュ スィアンティフィク（セ．エン．エル．エス．） 可視範囲及び赤外範囲で透明なナノ構造化されたガラス及びガラスセラミック
US9593039B2 (en) 2013-02-28 2017-03-14 Centre National De La Recherche Scientifique (Cnrs) Nanostructured glasses and vitroceramics that are transparent in visible and infra-red ranges

Similar Documents

Publication Publication Date Title
US10689288B2 (en) Ultraviolet transmitting glass
KR102128490B1 (ko) 3-D 형성을 위한 이온 교환가능한 Li-함유 유리 조성물
CN105452182B (zh) 无碱玻璃
CN104024170A (zh) 玻璃
JP2023528338A (ja) ガラス材料
KR19990029681A (ko) 알칼리 금속이 없는 알루미노보로실리케이트 유리와 그의 이용
JP2008542164A (ja) フラットスクリーン用ガラス基板
JP2022510686A (ja) 高屈折率のリン酸塩ガラス
JP2022538415A (ja) ガラスセラミックおよびその製造方法
WO2013154035A1 (fr) Plaque de verre
WO2002096818A1 (fr) Verre cristallise pour substrat de filtre optique et filtre optique
US20200172426A1 (en) High index glasses
US20220081348A1 (en) Li2O-Al2O3-SiO2-BASED CRYSTALLIZED GLASS
JPS61236631A (ja) 耐火・耐熱性ガラス
WO2008075546A1 (fr) Verre pour un substrat
US20220073414A1 (en) Silicoborate and borosilicate glasses with high refractive index and low density
TWI232209B (en) Lead-free and arsenic-free special short flint glass
JP2008174440A (ja) 基板用ガラス
JP5181861B2 (ja) 赤外線透過ガラス
JP7113827B2 (ja) 耐ソラリゼーション性の希土類ドープガラス
TW202311183A (zh) 具高折射率及低液相溫度之硼酸鹽及矽硼酸鹽光學玻璃
US20200172425A1 (en) High index low density glass
JP2021510671A (ja) 光学ホウアルミン酸塩ガラス
JP7429655B2 (ja) 歪み点が高く、ヤング率が高いガラス
JP7329521B2 (ja) 高屈折率光学ホウ酸塩ガラス

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07832851

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07832851

Country of ref document: EP

Kind code of ref document: A1