JPS5263920A - Optical glass - Google Patents

Optical glass

Info

Publication number
JPS5263920A
JPS5263920A JP50140944A JP14094475A JPS5263920A JP S5263920 A JPS5263920 A JP S5263920A JP 50140944 A JP50140944 A JP 50140944A JP 14094475 A JP14094475 A JP 14094475A JP S5263920 A JPS5263920 A JP S5263920A
Authority
JP
Japan
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
Application number
JP50140944A
Other languages
Japanese (ja)
Other versions
JPS542646B2 (en
Inventor
Kazushi Ishibashi
Takeo Ichimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co Ltd
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
Application filed by Nippon Chemical Industrial Co Ltd filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP50140944A priority Critical patent/JPS5263920A/en
Priority to DE19762653581 priority patent/DE2653581C3/en
Publication of JPS5263920A publication Critical patent/JPS5263920A/en
Publication of JPS542646B2 publication Critical patent/JPS542646B2/ja
Granted legal-status Critical Current

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
JP50140944A 1975-11-25 1975-11-25 Optical glass Granted JPS5263920A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50140944A JPS5263920A (en) 1975-11-25 1975-11-25 Optical glass
DE19762653581 DE2653581C3 (en) 1975-11-25 1976-11-25 Thorium-free optical glass of the basic system SiO? 2? -B? 2? O? 3? -La? 2? O? 3?

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50140944A JPS5263920A (en) 1975-11-25 1975-11-25 Optical glass

Publications (2)

Publication Number Publication Date
JPS5263920A true JPS5263920A (en) 1977-05-26
JPS542646B2 JPS542646B2 (en) 1979-02-10

Family

ID=15280434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50140944A Granted JPS5263920A (en) 1975-11-25 1975-11-25 Optical glass

Country Status (2)

Country Link
JP (1) JPS5263920A (en)
DE (1) DE2653581C3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7659222B2 (en) 2004-06-02 2010-02-09 Kabushiki Kaisha Ohara Optical glass
JP2010052954A (en) * 2008-08-26 2010-03-11 Nippon Electric Glass Co Ltd TeO2-ZnO-B2O3-BASED OPTICAL GLASS
JP2016079055A (en) * 2014-10-15 2016-05-16 日本電気硝子株式会社 Optical glass and producing method thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5747397A (en) * 1996-11-04 1998-05-05 Bay Glass Research Optical glass
CN110494514A (en) * 2017-04-10 2019-11-22 默克专利有限公司 The preparation of organic functional material
US11802073B2 (en) 2020-09-10 2023-10-31 Corning Incorporated Silicoborate and borosilicate glasses with high refractive index and low density

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029152A (en) * 1957-11-29 1962-04-10 Pilkington Brothers Ltd Optical glass
DE1926959A1 (en) * 1968-05-27 1969-12-04 Pilkington Brothers Ltd Optical glass
US3563773A (en) * 1958-02-19 1971-02-16 Leitz Ernst Gmbh Optical glass
FR2072820A5 (en) * 1969-12-09 1971-09-24 Pilkington Brothers Ltd
JPS4859116A (en) * 1971-11-29 1973-08-18
JPS5053413A (en) * 1973-09-13 1975-05-12
JPS50101414A (en) * 1974-01-14 1975-08-12

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD22365A (en) *
DE1421892B2 (en) * 1962-05-12 1972-01-27 Ernst Leitz Gmbh, 6330 Wetzlar OPTICAL GLASS WITH REFRACTION NUMBERS N DEPTH E BETWEEN 1.75 AND 1.85 AND ABBE NUMBER NY DEEP E BETWEEN 40.3 AND 50.0
FR1386915A (en) * 1964-03-31 1965-01-22 Int Harvester Co Turbo-compressor regulator
FR1441585A (en) * 1965-04-20 1966-06-10 Comp Generale Electricite Pulse synchronization of multiple triggered lasers

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029152A (en) * 1957-11-29 1962-04-10 Pilkington Brothers Ltd Optical glass
US3563773A (en) * 1958-02-19 1971-02-16 Leitz Ernst Gmbh Optical glass
DE1926959A1 (en) * 1968-05-27 1969-12-04 Pilkington Brothers Ltd Optical glass
FR2072820A5 (en) * 1969-12-09 1971-09-24 Pilkington Brothers Ltd
JPS4859116A (en) * 1971-11-29 1973-08-18
JPS5053413A (en) * 1973-09-13 1975-05-12
JPS50101414A (en) * 1974-01-14 1975-08-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7659222B2 (en) 2004-06-02 2010-02-09 Kabushiki Kaisha Ohara Optical glass
JP2010052954A (en) * 2008-08-26 2010-03-11 Nippon Electric Glass Co Ltd TeO2-ZnO-B2O3-BASED OPTICAL GLASS
JP2016079055A (en) * 2014-10-15 2016-05-16 日本電気硝子株式会社 Optical glass and producing method thereof

Also Published As

Publication number Publication date
DE2653581A1 (en) 1977-06-02
JPS542646B2 (en) 1979-02-10
DE2653581B2 (en) 1979-08-23
DE2653581C3 (en) 1982-12-02

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