JPS4921408A - - Google Patents
Info
- Publication number
- JPS4921408A JPS4921408A JP6102272A JP6102272A JPS4921408A JP S4921408 A JPS4921408 A JP S4921408A JP 6102272 A JP6102272 A JP 6102272A JP 6102272 A JP6102272 A JP 6102272A JP S4921408 A JPS4921408 A JP S4921408A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- C03C3/14—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
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6102272A JPS4921408A (zh) | 1972-06-20 | 1972-06-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6102272A JPS4921408A (zh) | 1972-06-20 | 1972-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4921408A true JPS4921408A (zh) | 1974-02-25 |
Family
ID=13159257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6102272A Pending JPS4921408A (zh) | 1972-06-20 | 1972-06-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4921408A (zh) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52104534A (en) * | 1976-03-01 | 1977-09-02 | Sanyo Kokusaku Pulp Co | Dry method of crushing raw materials for cement |
JPS53142423A (en) * | 1977-05-19 | 1978-12-12 | Obara Optical Glass | Optical glass |
DE3217517A1 (de) * | 1981-06-02 | 1982-12-23 | W.R. Grace & Co., 02140 Cambridge, Mass. | Hydraulischer zement mit einem gehalt an mahlhilfsstoffen |
US4472511A (en) * | 1981-09-25 | 1984-09-18 | Schott Glaswerke | Highly refractive, ThO2 -free optical glasses having refractive indices of 1.86-1.94 and Abbe-index numbers greater than or equal to 30 |
EP1245544A3 (en) * | 2001-03-27 | 2002-12-11 | Hoya Corporation | Optical glass and optical part |
EP1264805A1 (en) * | 2001-06-06 | 2002-12-11 | Kabushiki Kaisha Ohara | Optical glass |
EP1433757A1 (en) * | 2002-12-27 | 2004-06-30 | Hoya Corporation | Optical glass, press-molding glass gob and optical element |
JP2006322442A (ja) * | 2005-04-21 | 2006-11-30 | Daikin Ind Ltd | 送風装置 |
JP2007063071A (ja) * | 2005-08-31 | 2007-03-15 | Hoya Corp | 光学ガラス、精密プレス成形用プリフォームとその製造方法および光学素子とその製造方法 |
JP2010116321A (ja) * | 2010-02-15 | 2010-05-27 | Hoya Corp | 光学ガラス、精密プレス成形用プリフォームとその製造方法および光学素子とその製造方法 |
US7827823B2 (en) | 2004-11-15 | 2010-11-09 | Hoya Corporation | Optical glass, precision press-molding preform, process for producing the preform, optical element and process for producing the element |
US8207075B2 (en) | 2008-01-31 | 2012-06-26 | Ohara Inc. | Optical glass |
JP2012229148A (ja) * | 2011-04-27 | 2012-11-22 | Ohara Inc | 光学ガラス及び光学素子 |
CN102849941A (zh) * | 2011-07-27 | 2013-01-02 | 湖北新华光信息材料有限公司 | 一种硼酸盐镧系光学玻璃 |
JP2015024952A (ja) * | 2010-04-30 | 2015-02-05 | 株式会社オハラ | 光学ガラス、光学素子およびガラス成形体の製造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1008455B (de) * | 1951-02-26 | 1957-05-16 | Jenaer Glaswerk Schott & Gen | Praktisch fluorfreie optische Glaeser |
-
1972
- 1972-06-20 JP JP6102272A patent/JPS4921408A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1008455B (de) * | 1951-02-26 | 1957-05-16 | Jenaer Glaswerk Schott & Gen | Praktisch fluorfreie optische Glaeser |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52104534A (en) * | 1976-03-01 | 1977-09-02 | Sanyo Kokusaku Pulp Co | Dry method of crushing raw materials for cement |
JPS53142423A (en) * | 1977-05-19 | 1978-12-12 | Obara Optical Glass | Optical glass |
DE3217517A1 (de) * | 1981-06-02 | 1982-12-23 | W.R. Grace & Co., 02140 Cambridge, Mass. | Hydraulischer zement mit einem gehalt an mahlhilfsstoffen |
US4472511A (en) * | 1981-09-25 | 1984-09-18 | Schott Glaswerke | Highly refractive, ThO2 -free optical glasses having refractive indices of 1.86-1.94 and Abbe-index numbers greater than or equal to 30 |
EP1245544A3 (en) * | 2001-03-27 | 2002-12-11 | Hoya Corporation | Optical glass and optical part |
EP1264805A1 (en) * | 2001-06-06 | 2002-12-11 | Kabushiki Kaisha Ohara | Optical glass |
US6797659B2 (en) * | 2001-06-06 | 2004-09-28 | Kabushiki Kaisha Ohara | Optical glass |
CN1308252C (zh) * | 2002-12-27 | 2007-04-04 | Hoya株式会社 | 光学玻璃、压制成型玻璃料块和光学元件 |
EP1433757A1 (en) * | 2002-12-27 | 2004-06-30 | Hoya Corporation | Optical glass, press-molding glass gob and optical element |
US6912093B2 (en) | 2002-12-27 | 2005-06-28 | Hoya Corporation | Optical glass, press-molding glass gob and optical element |
US7490485B2 (en) | 2002-12-27 | 2009-02-17 | Hoya Corporation | Optical glass, press-molding glass gob and optical element |
US7827823B2 (en) | 2004-11-15 | 2010-11-09 | Hoya Corporation | Optical glass, precision press-molding preform, process for producing the preform, optical element and process for producing the element |
JP2006322442A (ja) * | 2005-04-21 | 2006-11-30 | Daikin Ind Ltd | 送風装置 |
JP2007063071A (ja) * | 2005-08-31 | 2007-03-15 | Hoya Corp | 光学ガラス、精密プレス成形用プリフォームとその製造方法および光学素子とその製造方法 |
US7655585B2 (en) | 2005-08-31 | 2010-02-02 | Hoya Corporation | Optical glass, precision press-molding preform, process for the production thereof, optical element and process for the production of the element |
US8207075B2 (en) | 2008-01-31 | 2012-06-26 | Ohara Inc. | Optical glass |
JP2010116321A (ja) * | 2010-02-15 | 2010-05-27 | Hoya Corp | 光学ガラス、精密プレス成形用プリフォームとその製造方法および光学素子とその製造方法 |
JP2015024952A (ja) * | 2010-04-30 | 2015-02-05 | 株式会社オハラ | 光学ガラス、光学素子およびガラス成形体の製造方法 |
JP2016104695A (ja) * | 2010-04-30 | 2016-06-09 | 株式会社オハラ | 光学ガラス、光学素子およびガラス成形体の製造方法 |
JP2012229148A (ja) * | 2011-04-27 | 2012-11-22 | Ohara Inc | 光学ガラス及び光学素子 |
CN102849941A (zh) * | 2011-07-27 | 2013-01-02 | 湖北新华光信息材料有限公司 | 一种硼酸盐镧系光学玻璃 |