JPS5342329B2 - - Google Patents

Info

Publication number
JPS5342329B2
JPS5342329B2 JP9116175A JP9116175A JPS5342329B2 JP S5342329 B2 JPS5342329 B2 JP S5342329B2 JP 9116175 A JP9116175 A JP 9116175A JP 9116175 A JP9116175 A JP 9116175A JP S5342329 B2 JPS5342329 B2 JP S5342329B2
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.)
Expired
Application number
JP9116175A
Other versions
JPS5215510A (en
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 filed Critical
Priority to JP50091161A priority Critical patent/JPS5215510A/ja
Priority to GB30643/76A priority patent/GB1531849A/en
Priority to US05/707,649 priority patent/US4118238A/en
Priority to FR7622870A priority patent/FR2319591A1/fr
Priority to DE2633946A priority patent/DE2633946C3/de
Publication of JPS5215510A publication Critical patent/JPS5215510A/ja
Publication of JPS5342329B2 publication Critical patent/JPS5342329B2/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
    • C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00—Compositions: ceramic
    • Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/901—Optical glass, e.g. silent on refractive index and/or ABBE number having R.I. at least 1.8
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00—Compositions: ceramic
    • Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70

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)
JP50091161A 1975-07-28 1975-07-28 Optical glass Granted JPS5215510A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP50091161A JPS5215510A (en) 1975-07-28 1975-07-28 Optical glass
GB30643/76A GB1531849A (en) 1975-07-28 1976-07-22 Optical glass
US05/707,649 US4118238A (en) 1975-07-28 1976-07-22 Optical glass
FR7622870A FR2319591A1 (fr) 1975-07-28 1976-07-27 Verre d'optique a anions oxygene et fluor
DE2633946A DE2633946C3 (de) 1975-07-28 1976-07-28 Thoriumfreies optisches Glas des Systems B↓2↓O↓3↓-La↓2↓O↓3↓ mit einer Brechung von n↓d↓ gleich 1,71 bis 1,85 bei v↓d↓ gleich 40 bis 57

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50091161A JPS5215510A (en) 1975-07-28 1975-07-28 Optical glass

Publications (2)

Publication Number Publication Date
JPS5215510A JPS5215510A (en) 1977-02-05
JPS5342329B2 true JPS5342329B2 (ja) 1978-11-10

Family

ID=14018757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50091161A Granted JPS5215510A (en) 1975-07-28 1975-07-28 Optical glass

Country Status (5)

Country Link
US (1) US4118238A (ja)
JP (1) JPS5215510A (ja)
DE (1) DE2633946C3 (ja)
FR (1) FR2319591A1 (ja)
GB (1) GB1531849A (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111773A (en) * 1978-02-22 1979-09-01 Hitachi Ltd Semiconductor wafer
US4193687A (en) * 1978-06-05 1980-03-18 Rockwell International Corporation High resolution alignment technique and apparatus
JPS553329A (en) * 1978-06-21 1980-01-11 Ohara Inc Optical glass
JPS5560039A (en) * 1978-10-24 1980-05-06 Nippon Kogaku Kk <Nikon> Optical glass
JPS55151601A (en) * 1979-05-15 1980-11-26 Minolta Camera Co Ltd Pentagonal prism for camera finder
DE3102690C2 (de) * 1981-01-28 1984-02-23 Schott Glaswerke, 6500 Mainz CdO- und ThO&darr;2&darr;-freies optisches Glas mit einem Brechwert von 1,75 - 1,82 und einem Abbe-Wert von 37 - 48 im System B&darr;2&darr;O&darr;3&darr; - La&darr;2&darr;O&darr;3&darr; - Y&darr;2&darr;O&darr;3&darr; - Nb&darr;2&darr;O&darr;5&darr; - ZnO - ZrO&darr;2&darr;
DE3138138C2 (de) * 1981-09-25 1983-10-27 Schott Glaswerke, 6500 Mainz Th0&darr;2&darr;- und Cd0-freies optisches Glas mit Brechwerten 1.73 - 1.88 und Abbezahlen von 35 - 52
FR2540486A1 (fr) * 1983-02-09 1984-08-10 Corning Glass Works Verres d'optique de fluoro-borates moulables
DE3307497C2 (de) 1983-03-03 1985-09-12 Schott Glaswerke, 6500 Mainz Optisches Glas im System Si0&darr;2&darr; - B&darr;2&darr;0&darr;3&darr; - La&darr;2&darr;0&darr;3&darr; - Zr0&darr;2&darr; - Alkalioxid - Erdalkalioxid - Zn0 - F mit Brechwerten &ge; 1,70, Abbezahlen &ge; 48, mit guter Entglasungsstabilität und guter chemischer Beständigkeit
DE3343418A1 (de) * 1983-12-01 1985-06-20 Schott Glaswerke, 6500 Mainz Optisches glas mit brechwerten>= 1.90, abbezahlen>= 25 und mit hoher chemischer bestaendigkeit
DE10122263C2 (de) * 2001-05-08 2003-04-03 Schott Glas Optische Gläser und ihre Verwendung
CN105948483B (zh) * 2010-07-26 2020-05-15 株式会社小原 光学玻璃、预成型坯和光学元件
JP6096409B2 (ja) * 2010-10-29 2017-03-15 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
JP5800766B2 (ja) * 2011-10-28 2015-10-28 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
JP6462245B2 (ja) * 2014-01-07 2019-01-30 日本電気硝子株式会社 光学ガラス
JP6462244B2 (ja) * 2014-01-07 2019-01-30 日本電気硝子株式会社 光学ガラス
JP6028071B1 (ja) * 2015-07-07 2016-11-16 株式会社住田光学ガラス 光学ガラス、ガラスプリフォーム、及び光学部品

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1596985A1 (de) * 1966-12-12 1971-04-15 Saale Glas Gmbh Optisches Boratglas

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US21175A (en) * 1858-08-17 Washing-machine
FR956629A (ja) * 1946-04-06 1950-02-02
DE957338C (de) * 1952-05-10 1957-03-07 Jenaer Glaswerk Schott & Gen Praktisch fluorfreie optische Glaeser
DE947828C (de) * 1952-05-27 1956-08-23 Jenaer Glaswerk Schott & Gen Optisches Glas
US2866712A (en) * 1952-11-22 1958-12-30 Weissenberg Gustav Optical crown glass
DE1054209B (de) * 1957-11-16 1959-04-02 Jenaer Glaswerk Schott & Gen Optisches Glas
US3081178A (en) * 1959-08-10 1963-03-12 Leitz Ernst Gmbh Optical borate glass
US3150990A (en) * 1960-04-04 1964-09-29 Jenaer Glaswerk Schott & Gen Optical glass
FR1317870A (ja) * 1961-03-21 1963-05-08
GB1224169A (en) * 1967-07-26 1971-03-03 Pilkington Brothers Ltd Improvements in or relating to thorium-free optical glass
US3669696A (en) * 1968-09-16 1972-06-13 Ohara Optical Glass Mfg Optical glass
US3650780A (en) * 1969-05-01 1972-03-21 Corning Glass Works Fiber optic core glass
US3672920A (en) * 1969-05-27 1972-06-27 Hoya Glass Works Ltd Optical glass having a high refractive index and a low dispersion

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1596985A1 (de) * 1966-12-12 1971-04-15 Saale Glas Gmbh Optisches Boratglas

Also Published As

Publication number Publication date
GB1531849A (en) 1978-11-08
US4118238A (en) 1978-10-03
DE2633946B2 (de) 1979-09-13
DE2633946C3 (de) 1982-12-09
FR2319591B1 (ja) 1982-03-19
JPS5215510A (en) 1977-02-05
DE2633946A1 (de) 1977-02-17
FR2319591A1 (fr) 1977-02-25

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