JPS5263211A - Optical glass - Google Patents

Optical glass

Info

Publication number
JPS5263211A
JPS5263211A JP13872575A JP13872575A JPS5263211A JP S5263211 A JPS5263211 A JP S5263211A JP 13872575 A JP13872575 A JP 13872575A JP 13872575 A JP13872575 A JP 13872575A JP S5263211 A JPS5263211 A JP S5263211A
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
JP13872575A
Other languages
Japanese (ja)
Other versions
JPS5342330B2 (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 JP13872575A priority Critical patent/JPS5263211A/en
Priority to DE19762652747 priority patent/DE2652747B2/en
Publication of JPS5263211A publication Critical patent/JPS5263211A/en
Publication of JPS5342330B2 publication Critical patent/JPS5342330B2/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
    • C03C3/12—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
JP13872575A 1975-11-20 1975-11-20 Optical glass Granted JPS5263211A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13872575A JPS5263211A (en) 1975-11-20 1975-11-20 Optical glass
DE19762652747 DE2652747B2 (en) 1975-11-20 1976-11-19 Thorium-free optical borate glass of the system B2 O3 -La 2 O3 -Y2 O3 -TiO 2 with a high refractive index of n * equal to 1.79 to 1.93 and an Abbe number of vd equal to 30 to 41

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13872575A JPS5263211A (en) 1975-11-20 1975-11-20 Optical glass

Publications (2)

Publication Number Publication Date
JPS5263211A true JPS5263211A (en) 1977-05-25
JPS5342330B2 JPS5342330B2 (en) 1978-11-10

Family

ID=15228682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13872575A Granted JPS5263211A (en) 1975-11-20 1975-11-20 Optical glass

Country Status (2)

Country Link
JP (1) JPS5263211A (en)
DE (1) DE2652747B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009930B4 (en) * 2004-02-26 2008-07-24 Schott Ag Lead- and arsenic-free optical lanthanum flint glasses and their use

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3102690C2 (en) * 1981-01-28 1984-02-23 Schott Glaswerke, 6500 Mainz CdO- and ThO? 2? -Free optical glass with a refractive index of 1.75-1.82 and an Abbe value of 37-48 in the system B? 2? O? 3? - La 2 O 3 - Y? 2? O? 3? - Nb 2 O 5 - ZnO - ZrO 2
DE3307497C2 (en) 1983-03-03 1985-09-12 Schott Glaswerke, 6500 Mainz 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
DE3343418A1 (en) * 1983-12-01 1985-06-20 Schott Glaswerke, 6500 Mainz OPTICAL GLASS WITH REFRACTION VALUES> = 1.90, PAYBACK> = 25 AND WITH HIGH CHEMICAL RESISTANCE
US5747397A (en) * 1996-11-04 1998-05-05 Bay Glass Research Optical glass
DE10122263C2 (en) 2001-05-08 2003-04-03 Schott Glas Optical glasses and their use
DE102006024805A1 (en) * 2006-05-27 2007-11-29 Schott Ag Optical glass for optical element, contains oxides of silicon, boron, lanthanum, magnesium, calcium, strontium, barium, zinc, titanium, zirconium and niobium
DE102009010701B4 (en) 2009-02-27 2016-12-15 Schott Ag Optical glass

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1596985A1 (en) * 1966-12-12 1971-04-15 Saale Glas Gmbh Optical borate glass
JPS4837410A (en) * 1971-09-16 1973-06-02
JPS4955705A (en) * 1972-09-30 1974-05-30

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1596985A1 (en) * 1966-12-12 1971-04-15 Saale Glas Gmbh Optical borate glass
JPS4837410A (en) * 1971-09-16 1973-06-02
JPS4955705A (en) * 1972-09-30 1974-05-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009930B4 (en) * 2004-02-26 2008-07-24 Schott Ag Lead- and arsenic-free optical lanthanum flint glasses and their use

Also Published As

Publication number Publication date
JPS5342330B2 (en) 1978-11-10
DE2652747B2 (en) 1979-06-21
DE2652747A1 (en) 1977-06-08

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