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FR1228382A - Verres au boro-silicate - Google Patents

Verres au boro-silicate

Info

Publication number
FR1228382A
FR1228382A FR478A FR1228382DA FR1228382A FR 1228382 A FR1228382 A FR 1228382A FR 478 A FR478 A FR 478A FR 1228382D A FR1228382D A FR 1228382DA FR 1228382 A FR1228382 A FR 1228382A
Authority
FR
France
Prior art keywords
borosilicate glasses
borosilicate
glasses
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
FR478A
Other languages
English (en)
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 FR1228382A publication Critical patent/FR1228382A/fr
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
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing 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
    • Y10S501/903—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)
FR478A 1959-01-09 1959-03-20 Verres au boro-silicate Expired FR1228382A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL32164A DE1093521B (de) 1959-01-09 1959-01-09 Optisches Glas

Publications (1)

Publication Number Publication Date
FR1228382A true FR1228382A (fr) 1960-08-29

Family

ID=7265824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR478A Expired FR1228382A (fr) 1959-01-09 1959-03-20 Verres au boro-silicate

Country Status (3)

Country Link
US (1) US3143432A (fr)
DE (1) DE1093521B (fr)
FR (1) FR1228382A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1303171B (fr) * 1966-05-03 1971-11-25 Ernst Leitz Gmbh
US3486915A (en) * 1969-04-10 1969-12-30 Leitz Ernst Gmbh Optical glass
US9206074B2 (en) * 2010-12-08 2015-12-08 Nippon Electric Glass Co., Ltd. High-refractive-index glass

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB727305A (en) * 1952-08-08 1955-03-30 Carl Beiss Shiftung Optical glass
GB746147A (en) * 1953-07-17 1956-03-07 Zeiss Stiftung Optical glass
US2805166A (en) * 1954-01-18 1957-09-03 Loffler Johannes Glasses containing oxides of rare earth metals
US2899322A (en) * 1956-07-07 1959-08-11 Optical glass

Also Published As

Publication number Publication date
US3143432A (en) 1964-08-04
DE1093521B (de) 1960-11-24

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