FR1171802A - Optical glass - Google Patents

Optical glass

Info

Publication number
FR1171802A
FR1171802A FR1171802DA FR1171802A FR 1171802 A FR1171802 A FR 1171802A FR 1171802D A FR1171802D A FR 1171802DA FR 1171802 A FR1171802 A FR 1171802A
Authority
FR
France
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.)
Expired
Application number
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
Application granted granted Critical
Publication of FR1171802A publication Critical patent/FR1171802A/en
Expired 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

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)
FR1171802D 1956-04-20 1957-04-19 Optical glass Expired FR1171802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL24671A DE1022764B (en) 1956-04-20 1956-04-20 Optical glass

Publications (1)

Publication Number Publication Date
FR1171802A true FR1171802A (en) 1959-01-30

Family

ID=7263162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1171802D Expired FR1171802A (en) 1956-04-20 1957-04-19 Optical glass

Country Status (2)

Country Link
DE (1) DE1022764B (en)
FR (1) FR1171802A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4218377C1 (en) * 1992-06-04 1993-10-14 Schott Glaswerke Optical crown glass with negative anomalous partial dispersion and high UV transmission
DE19924520C1 (en) * 1999-05-28 2000-06-21 Schott Glas Lead-free optical borosilicate glass, especially for high performance optics, contains aluminum, calcium and tantalum oxides and has a high negative anomalous partial dispersion

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE417297A (en) * 1935-09-03
DE919195C (en) * 1952-11-22 1954-10-14 Leitz Ernst Gmbh Optical crown glass

Also Published As

Publication number Publication date
DE1022764B (en) 1958-01-16

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