GB2321640A8 - Lead-free dense and extra-dense optical barium crown glass - Google Patents
Lead-free dense and extra-dense optical barium crown glassInfo
- Publication number
- GB2321640A8 GB2321640A8 GB9727436A GB9727436A GB2321640A8 GB 2321640 A8 GB2321640 A8 GB 2321640A8 GB 9727436 A GB9727436 A GB 9727436A GB 9727436 A GB9727436 A GB 9727436A GB 2321640 A8 GB2321640 A8 GB 2321640A8
- Authority
- GB
- United Kingdom
- Prior art keywords
- dense
- extra
- lead
- free
- crown glass
- 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.)
- Granted
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
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- 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
-
- 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
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997103391 DE19703391C1 (en) | 1997-01-30 | 1997-01-30 | A lead-free optical crown glass |
Publications (4)
Publication Number | Publication Date |
---|---|
GB9727436D0 GB9727436D0 (en) | 1998-02-25 |
GB2321640A GB2321640A (en) | 1998-08-05 |
GB2321640A8 true GB2321640A8 (en) | 1998-08-10 |
GB2321640B GB2321640B (en) | 2000-10-11 |
Family
ID=7818794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9727436A Expired - Fee Related GB2321640B (en) | 1997-01-30 | 1997-12-31 | Lead-free dense and extra-dense optical barium crown glass |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP3148175B2 (en) |
CN (1) | CN1168682C (en) |
DE (1) | DE19703391C1 (en) |
FR (1) | FR2760234B1 (en) |
GB (1) | GB2321640B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006012116A1 (en) * | 2006-03-14 | 2007-09-20 | Schott Ag | Glaser fiber cable |
DE102009038812A1 (en) * | 2009-08-31 | 2011-03-10 | Uhde Gmbh | High temperature resistant crystallizing glass solders |
JP6547995B2 (en) * | 2013-04-25 | 2019-07-24 | 日本電気硝子株式会社 | High refractive index glass substrate |
CN105884192B (en) * | 2016-04-05 | 2019-06-25 | 湖北戈碧迦光电科技股份有限公司 | A kind of special glass and its preparation method and application |
CN110128007B (en) * | 2017-07-03 | 2022-07-15 | 成都光明光电股份有限公司 | Heavy lanthanum flint optical glass |
CN111333316B (en) * | 2020-03-06 | 2022-04-15 | 成都光明光电股份有限公司 | Optical glass, glass preform, optical element and optical instrument |
CN111204972A (en) * | 2020-03-06 | 2020-05-29 | 成都光明光电股份有限公司 | Optical glass, glass preform, optical element and optical instrument |
CN111320382A (en) * | 2020-03-06 | 2020-06-23 | 成都光明光电股份有限公司 | Optical glass |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3460954A (en) * | 1964-05-21 | 1969-08-12 | Bendix Corp | Bao-nb2o5-sio2 glass compositions for use in fiber-optics |
JPS594390B2 (en) * | 1977-01-27 | 1984-01-30 | 株式会社保谷硝子 | optical glass |
JPS5814376B2 (en) * | 1978-06-06 | 1983-03-18 | 株式会社保谷硝子 | optical glass |
JPS60221338A (en) * | 1984-04-12 | 1985-11-06 | Ohara Inc | Optical glass |
JP2535407B2 (en) * | 1989-05-31 | 1996-09-18 | ホーヤ株式会社 | Optical glass |
JP3195789B2 (en) * | 1990-05-29 | 2001-08-06 | ホーヤ株式会社 | Optical glass and molded products |
JP2795326B2 (en) * | 1991-04-05 | 1998-09-10 | 株式会社オハラ | Optical glass |
JP2565813B2 (en) * | 1991-07-05 | 1996-12-18 | 株式会社オハラ | Optical glass |
JP2714915B2 (en) * | 1992-09-25 | 1998-02-16 | 株式会社オハラ | Optical glass |
JP3797679B2 (en) * | 1994-10-14 | 2006-07-19 | 株式会社オハラ | Optical glass |
DE19631581C1 (en) * | 1996-08-05 | 1997-11-27 | Schott Glaswerke | Barium flint glass used in optical applications |
-
1997
- 1997-01-30 DE DE1997103391 patent/DE19703391C1/en not_active Expired - Lifetime
- 1997-12-31 GB GB9727436A patent/GB2321640B/en not_active Expired - Fee Related
-
1998
- 1998-01-27 CN CNB981059457A patent/CN1168682C/en not_active Expired - Lifetime
- 1998-01-29 JP JP03034598A patent/JP3148175B2/en not_active Expired - Lifetime
- 1998-01-29 FR FR9800963A patent/FR2760234B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH10212133A (en) | 1998-08-11 |
GB2321640B (en) | 2000-10-11 |
JP3148175B2 (en) | 2001-03-19 |
GB2321640A (en) | 1998-08-05 |
CN1168682C (en) | 2004-09-29 |
FR2760234A1 (en) | 1998-09-04 |
CN1197042A (en) | 1998-10-28 |
DE19703391C1 (en) | 1998-02-26 |
GB9727436D0 (en) | 1998-02-25 |
FR2760234B1 (en) | 2000-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20051231 |