GB8405441D0 - Optical glass - Google Patents
Optical glassInfo
- Publication number
- GB8405441D0 GB8405441D0 GB848405441A GB8405441A GB8405441D0 GB 8405441 D0 GB8405441 D0 GB 8405441D0 GB 848405441 A GB848405441 A GB 848405441A GB 8405441 A GB8405441 A GB 8405441A GB 8405441 D0 GB8405441 D0 GB 8405441D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical glass
- glass
- 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.)
- 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
- C03C3/062—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
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 |
---|---|---|---|
DE19833307497 DE3307497C2 (en) | 1983-03-03 | 1983-03-03 | Optical glass in the system Si0? 2? - B? 2? 0? 3? - La 2 0 3 - Zr0? 2? - alkali oxide - alkaline earth oxide - Zn0 - F with refractive index? 1.70, Payoff? 48, with good devitrification stability and good chemical resistance |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8405441D0 true GB8405441D0 (en) | 1984-04-04 |
GB2137981A GB2137981A (en) | 1984-10-17 |
GB2137981B GB2137981B (en) | 1986-12-03 |
Family
ID=6192394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08405441A Expired GB2137981B (en) | 1983-03-03 | 1984-03-01 | Optical glass |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS59169952A (en) |
DE (1) | DE3307497C2 (en) |
FR (1) | FR2541988B1 (en) |
GB (1) | GB2137981B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111453988A (en) * | 2019-01-22 | 2020-07-28 | 成都光明光电股份有限公司 | Optical glass and glass prefabricated member, element and instrument thereof |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3500578C2 (en) * | 1985-01-10 | 1987-02-12 | Schott Glaswerke, 6500 Mainz | Optical glass with refractive indices from 1.73 to 1.80 and Abbe numbers ≥ 49 |
TW593195B (en) | 2001-02-05 | 2004-06-21 | Koninkl Philips Electronics Nv | Multicomponent glass, glass fiber, twister and taper |
DE10227494C1 (en) | 2002-06-19 | 2003-12-04 | Schott Glas | Lead-free optical glass with specified refractive index and Abbe number, for optics, laser technology and communications, has specified composition |
JP4739721B2 (en) * | 2003-11-17 | 2011-08-03 | 株式会社オハラ | Optical glass |
DE102004009930B4 (en) * | 2004-02-26 | 2008-07-24 | Schott Ag | Lead- and arsenic-free optical lanthanum flint glasses and their use |
JP4751225B2 (en) | 2006-03-28 | 2011-08-17 | Hoya株式会社 | Optical glass, precision press-molding preform, optical element and manufacturing method thereof |
JP2010083702A (en) * | 2008-09-30 | 2010-04-15 | Hoya Corp | Optical glass, glass gob for press forming and optical element |
US8288299B2 (en) | 2009-02-03 | 2012-10-16 | Hoya Corporation | Optical glass, preform for precision press molding, and optical element |
CN102344248A (en) * | 2010-07-26 | 2012-02-08 | 株式会社小原 | Optical glass, perform, and optical element |
JP6095260B2 (en) * | 2010-07-26 | 2017-03-15 | 株式会社オハラ | Optical glass, preform and optical element |
JP6096409B2 (en) * | 2010-10-29 | 2017-03-15 | 株式会社オハラ | Optical glass, preform and optical element |
JP6076594B2 (en) * | 2010-12-13 | 2017-02-08 | 株式会社オハラ | Optical glass, preform and optical element |
JP5705175B2 (en) * | 2011-08-05 | 2015-04-22 | 株式会社オハラ | Optical glass, preform and optical element |
JP5731358B2 (en) * | 2011-09-01 | 2015-06-10 | 株式会社オハラ | Optical glass, preform and optical element |
JP5800766B2 (en) | 2011-10-28 | 2015-10-28 | 株式会社オハラ | Optical glass, preform and optical element |
CN102311229A (en) * | 2011-09-07 | 2012-01-11 | 成都光明光电股份有限公司 | Optical glass and optical element |
JP5727417B2 (en) * | 2012-06-15 | 2015-06-03 | Hoya株式会社 | Optical glass, optical element and manufacturing method thereof |
JP6049591B2 (en) * | 2013-07-31 | 2016-12-21 | 株式会社オハラ | Optical glass, preform material and optical element |
JP6462244B2 (en) * | 2014-01-07 | 2019-01-30 | 日本電気硝子株式会社 | Optical glass |
JP6462245B2 (en) * | 2014-01-07 | 2019-01-30 | 日本電気硝子株式会社 | Optical glass |
CN109455925B (en) * | 2019-01-22 | 2022-04-22 | 成都光明光电股份有限公司 | Low-softening-point optical glass and glass prefabricated member, element and instrument thereof |
CN111453989A (en) * | 2019-01-22 | 2020-07-28 | 成都光明光电股份有限公司 | Lanthanide optical glass and glass preform, element and instrument thereof |
CN109553296B (en) * | 2019-01-22 | 2022-08-02 | 成都光明光电股份有限公司 | Optical glass and glass prefabricated member, element and instrument thereof |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3650780A (en) * | 1969-05-01 | 1972-03-21 | Corning Glass Works | Fiber optic core glass |
DE2237259A1 (en) | 1971-07-30 | 1973-02-01 | Hoya Glass Works Ltd | OPTICAL GLASSES |
JPS582074B2 (en) | 1973-05-15 | 1983-01-13 | カブシキガイシヤ シヤケン | Shashinshiyokujiki |
JPS5117570A (en) | 1974-08-02 | 1976-02-12 | Meidensha Electric Mfg Co Ltd | KOIRUSHIKEN SOCHI |
JPS5214607A (en) * | 1975-07-24 | 1977-02-03 | Obara Optical Glass | Optical glass not containing thorium |
JPS5215510A (en) | 1975-07-28 | 1977-02-05 | Nippon Chemical Ind | Optical glass |
JPS5263211A (en) | 1975-11-20 | 1977-05-25 | Nippon Chemical Ind | Optical glass |
GB1562130A (en) * | 1977-12-14 | 1980-03-05 | Ohara Optical Glass Mfg | Optical glass |
DE2756160A1 (en) | 1977-12-16 | 1979-06-21 | Ohara Optical Glass Mfg | Optical glass having high refractive and low dispersive properties - and free of poisonous thorium oxide |
JPS553329A (en) * | 1978-06-21 | 1980-01-11 | Ohara Inc | Optical glass |
JPS5678447A (en) * | 1979-11-29 | 1981-06-27 | Minolta Camera Co Ltd | Optical glass |
JPS5734044A (en) * | 1980-08-07 | 1982-02-24 | Nippon Kogaku Kk <Nikon> | Optical glass |
DE3130066A1 (en) * | 1981-07-30 | 1983-02-17 | Schott Glaswerke, 6500 Mainz | CdO-, ThO2- and Ta2O5-free or low Ta2O5 optical glass having a refractive index of 1.76 - 1.81 and an Abbe number of 51-44 |
DE3138138C2 (en) | 1981-09-25 | 1983-10-27 | Schott Glaswerke, 6500 Mainz | Th0 2 - and Cd0-free optical glass with refractive indices 1.73 - 1.88 and Abbe numbers of 35 - 52 |
JPH0514712A (en) | 1991-07-02 | 1993-01-22 | Ricoh Co Ltd | Picture reader |
-
1983
- 1983-03-03 DE DE19833307497 patent/DE3307497C2/en not_active Expired
-
1984
- 1984-03-01 GB GB08405441A patent/GB2137981B/en not_active Expired
- 1984-03-02 FR FR8403261A patent/FR2541988B1/en not_active Expired - Lifetime
- 1984-03-03 JP JP4121184A patent/JPS59169952A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111453988A (en) * | 2019-01-22 | 2020-07-28 | 成都光明光电股份有限公司 | Optical glass and glass prefabricated member, element and instrument thereof |
Also Published As
Publication number | Publication date |
---|---|
GB2137981A (en) | 1984-10-17 |
GB2137981B (en) | 1986-12-03 |
FR2541988B1 (en) | 1991-07-12 |
JPS59169952A (en) | 1984-09-26 |
DE3307497C2 (en) | 1985-09-12 |
DE3307497A1 (en) | 1984-09-06 |
FR2541988A1 (en) | 1984-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950301 |