FR2184824A1 - - Google Patents

Info

Publication number
FR2184824A1
FR2184824A1 FR7317415A FR7317415A FR2184824A1 FR 2184824 A1 FR2184824 A1 FR 2184824A1 FR 7317415 A FR7317415 A FR 7317415A FR 7317415 A FR7317415 A FR 7317415A FR 2184824 A1 FR2184824 A1 FR 2184824A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7317415A
Other languages
French (fr)
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Ernst Leitz GmbH
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 Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbH filed Critical Ernst Leitz Wetzlar GmbH
Publication of FR2184824A1 publication Critical patent/FR2184824A1/fr
Withdrawn legal-status Critical Current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
    • C03C3/145—Silica-free oxide glass compositions containing boron containing aluminium or beryllium
    • 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)
FR7317415A 1972-05-15 1973-05-14 Withdrawn FR2184824A1 (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722223564 DE2223564A1 (de) 1972-05-15 1972-05-15 Optisches boratglas guter chemischer bestaendigkeit mit negativer anomaler teildispersion und brechzahlen n tief e zwischen 1,65 und 1,79 und abbe-zahlen ny tief e zwischen 40 und 30 sowie ein verfahren zu seiner herstellung

Publications (1)

Publication Number Publication Date
FR2184824A1 true FR2184824A1 (en, 2012) 1973-12-28

Family

ID=5844889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7317415A Withdrawn FR2184824A1 (en, 2012) 1972-05-15 1973-05-14

Country Status (4)

Country Link
US (1) US3929495A (en, 2012)
JP (1) JPS4926313A (en, 2012)
DE (1) DE2223564A1 (en, 2012)
FR (1) FR2184824A1 (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4032567A1 (de) * 1990-01-16 1991-07-18 Schott Glaswerke Optisches glas mit negativer teildispersion im blauen bereich, brechungsindices n(pfeil abwaerts)d(pfeil abwaerts)von 1,69 bis 1,83 und abbezahlen v(pfeil abwaerts)d(pfeil abwaerts)von 29 bis 38,5

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE481433A (en, 2012) * 1947-03-26
US2996392A (en) * 1958-03-31 1961-08-15 Leitz Ernst Gmbh Optical glass
US3149984A (en) * 1960-12-17 1964-09-22 Jenaer Glaswerk Schott & Gen Lead glass for optical use
NL294727A (en, 2012) * 1963-06-28
DE1259027B (de) * 1964-09-23 1968-01-18 Leitz Ernst Gmbh Glas, insbesondere als Werkstoff fuer optische Elemente
GB1121000A (en) * 1965-09-13 1968-07-24 Pilkington Brothers Ltd Improvements in or relating to optical glass
US3486915A (en) * 1969-04-10 1969-12-30 Leitz Ernst Gmbh Optical glass

Also Published As

Publication number Publication date
JPS4926313A (en, 2012) 1974-03-08
US3929495A (en) 1975-12-30
DE2223564A1 (de) 1973-11-29

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Legal Events

Date Code Title Description
ST Notification of lapse