JP6215251B2 - モールドプレス成形用光学ガラス - Google Patents
モールドプレス成形用光学ガラス Download PDFInfo
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- JP6215251B2 JP6215251B2 JP2015081429A JP2015081429A JP6215251B2 JP 6215251 B2 JP6215251 B2 JP 6215251B2 JP 2015081429 A JP2015081429 A JP 2015081429A JP 2015081429 A JP2015081429 A JP 2015081429A JP 6215251 B2 JP6215251 B2 JP 6215251B2
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- JP
- Japan
- Prior art keywords
- glass
- press molding
- refractive index
- component
- optical
- 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.)
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Classifications
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- 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
- C03C3/14—Silica-free oxide glass compositions containing boron
- C03C3/15—Silica-free oxide glass compositions containing boron containing rare earths
- C03C3/155—Silica-free oxide glass compositions containing boron containing rare earths containing zirconium, titanium, tantalum or niobium
-
- 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
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/253—Silica-free oxide glass compositions containing germanium
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- 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)
Description
Claims (7)
- 屈折率ndが1.925以上、アッベ数νdが10〜30、ガラスの着色度λ70が500nm以下であり、質量%で、Bi2O3 75〜90%、B2O3 10〜24.9%、Bi2O3+B2O3 85〜99.9%、GeO2 0〜2.8%(ただし、GeO2が1.0%以上である場合を除く)、CaO+SrO+BaO 0〜3%、La2O3+Gd2O3+Ta2O5が0〜3.7%のガラス組成を含有し、かつ、鉛成分、砒素成分、F成分を実質的に含有しないことを特徴とするモールドプレス成形用光学ガラス(ただし、TeO2を含有する場合を除く)。
- 質量%で、ZnO 0〜10%を含有することを特徴とする請求項1に記載のモールドプレス成形用光学ガラス。
- 質量%で、SiO2 0〜3%未満を含有することを特徴とする請求項1または2に記載のモールドプレス成形用光学ガラス。
- 質量比で、Bi2O3/B2O3が5以下であることを特徴とする請求項1〜3のいずれかに記載のモールドプレス成形用光学ガラス。
- Bi2O3+B2O3が99%以上であることを特徴とする請求項1〜4のいずれかに記載のモールドプレス成形用光学ガラス。
- Bi2O3+B2O3+TiO2が99%以上であることを特徴とする請求項1〜5のいずれかに記載のモールドプレス成形用光学ガラス。
- レンズ用であることを特徴とする請求項1〜6のいずれかに記載のモールドプレス成形用光学ガラス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015081429A JP6215251B2 (ja) | 2009-06-15 | 2015-04-13 | モールドプレス成形用光学ガラス |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009142043 | 2009-06-15 | ||
JP2009142043 | 2009-06-15 | ||
JP2009218254 | 2009-09-22 | ||
JP2009218254 | 2009-09-22 | ||
JP2015081429A JP6215251B2 (ja) | 2009-06-15 | 2015-04-13 | モールドプレス成形用光学ガラス |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010106306A Division JP5843125B2 (ja) | 2009-06-15 | 2010-05-06 | モールドプレス成形用光学ガラス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015134719A JP2015134719A (ja) | 2015-07-27 |
JP6215251B2 true JP6215251B2 (ja) | 2017-10-18 |
Family
ID=53766874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015081429A Active JP6215251B2 (ja) | 2009-06-15 | 2015-04-13 | モールドプレス成形用光学ガラス |
Country Status (1)
Country | Link |
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JP (1) | JP6215251B2 (ja) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11317561A (ja) * | 1998-03-03 | 1999-11-16 | Asahi Glass Co Ltd | 光増幅ガラス |
JP4411424B2 (ja) * | 2006-10-23 | 2010-02-10 | 株式会社住田光学ガラス | 高屈折率の精密プレス成形用光学ガラス |
JP2009203135A (ja) * | 2008-02-28 | 2009-09-10 | Ohara Inc | 光学ガラス、光学素子及び精密プレス成形用プリフォーム |
WO2010119557A1 (ja) * | 2009-04-17 | 2010-10-21 | 株式会社オハラ | 光学ガラス |
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2015
- 2015-04-13 JP JP2015081429A patent/JP6215251B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2015134719A (ja) | 2015-07-27 |
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