FR1233372A - Verres optiques exempts de thorium - Google Patents

Verres optiques exempts de thorium

Info

Publication number
FR1233372A
FR1233372A FR803309A FR803309A FR1233372A FR 1233372 A FR1233372 A FR 1233372A FR 803309 A FR803309 A FR 803309A FR 803309 A FR803309 A FR 803309A FR 1233372 A FR1233372 A FR 1233372A
Authority
FR
France
Prior art keywords
thorium
optical glasses
free optical
free
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
FR803309A
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.)
Schott AG
Original Assignee
Jenaer Glaswerk Schott and Gen
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 Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Application granted granted Critical
Publication of FR1233372A publication Critical patent/FR1233372A/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
    • C03C3/12—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
    • 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)
FR803309A 1958-08-26 1959-08-21 Verres optiques exempts de thorium Expired FR1233372A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE857182X 1958-08-26

Publications (1)

Publication Number Publication Date
FR1233372A true FR1233372A (fr) 1960-10-12

Family

ID=6789517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR803309A Expired FR1233372A (fr) 1958-08-26 1959-08-21 Verres optiques exempts de thorium

Country Status (4)

Country Link
US (1) US3080240A (fr)
DE (1) DE1070794B (fr)
FR (1) FR1233372A (fr)
GB (1) GB857182A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1317870A (fr) * 1961-03-21 1963-05-08
US3486915A (en) * 1969-04-10 1969-12-30 Leitz Ernst Gmbh Optical glass
US3650780A (en) * 1969-05-01 1972-03-21 Corning Glass Works Fiber optic core glass
DE3138137C2 (de) * 1981-09-25 1985-05-15 Schott Glaswerke, 6500 Mainz ThO↓2↓ - und Ta↓2↓O↓5↓-freie optische Gläser mit Brechwerten von 1.87 - 1.93 und Abbezahlen von 30 - 35

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE957338C (de) * 1952-05-10 1957-03-07 Jenaer Glaswerk Schott & Gen Praktisch fluorfreie optische Glaeser
US2866712A (en) * 1952-11-22 1958-12-30 Weissenberg Gustav Optical crown glass
GB746147A (en) * 1953-07-17 1956-03-07 Zeiss Stiftung Optical glass
US2899322A (en) * 1956-07-07 1959-08-11 Optical glass

Also Published As

Publication number Publication date
US3080240A (en) 1963-03-05
DE1070794B (de) 1959-12-10
GB857182A (en) 1960-12-29

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