FR2680779B1 - PHOSPHATE GLASS WITH POSITIVE ABNORMAL PARTIAL DISPERSION IN THE BLUE REGION. - Google Patents

PHOSPHATE GLASS WITH POSITIVE ABNORMAL PARTIAL DISPERSION IN THE BLUE REGION.

Info

Publication number
FR2680779B1
FR2680779B1 FR9209648A FR9209648A FR2680779B1 FR 2680779 B1 FR2680779 B1 FR 2680779B1 FR 9209648 A FR9209648 A FR 9209648A FR 9209648 A FR9209648 A FR 9209648A FR 2680779 B1 FR2680779 B1 FR 2680779B1
Authority
FR
France
Prior art keywords
blue region
phosphate glass
partial dispersion
abnormal partial
positive abnormal
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 - Fee Related
Application number
FR9209648A
Other languages
French (fr)
Other versions
FR2680779A1 (en
Inventor
Marc Clement
Danuta Grabowski
Volkmar Geiler
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
Schott Glaswerke AG
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 Schott Glaswerke AG filed Critical Schott Glaswerke AG
Publication of FR2680779A1 publication Critical patent/FR2680779A1/en
Application granted granted Critical
Publication of FR2680779B1 publication Critical patent/FR2680779B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C03C3/16—Silica-free oxide glass compositions containing phosphorus

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)
FR9209648A 1991-08-29 1992-08-04 PHOSPHATE GLASS WITH POSITIVE ABNORMAL PARTIAL DISPERSION IN THE BLUE REGION. Expired - Fee Related FR2680779B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914128676 DE4128676C1 (en) 1991-08-29 1991-08-29 Optical phosphate glass with high refractive index and Abbe number - comprises oxide(s) of magnesium, calcium, strontium, barium, zinc and phosphorus, and fluoride

Publications (2)

Publication Number Publication Date
FR2680779A1 FR2680779A1 (en) 1993-03-05
FR2680779B1 true FR2680779B1 (en) 1995-03-17

Family

ID=6439395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9209648A Expired - Fee Related FR2680779B1 (en) 1991-08-29 1992-08-04 PHOSPHATE GLASS WITH POSITIVE ABNORMAL PARTIAL DISPERSION IN THE BLUE REGION.

Country Status (3)

Country Link
JP (1) JP2528419B2 (en)
DE (1) DE4128676C1 (en)
FR (1) FR2680779B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3321414B2 (en) * 1997-06-17 2002-09-03 ホーヤ株式会社 Light polarization control element
JP4162532B2 (en) 2003-04-18 2008-10-08 Ｈｏｙａ株式会社 Optical glass, press-molding preform and manufacturing method thereof, optical element and manufacturing method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE634699C (en) * 1933-02-23
FR1074685A (en) * 1952-02-26 1954-10-07 Leitz Ernst Gmbh Optical glass
DE1293400B (en) * 1962-06-05 1969-04-24 Jenaer Glaswerk Schott & Gen Process for making an optical glass
GB1174475A (en) * 1967-06-22 1969-12-17 English Electric Co Ltd Glass-Ceramics.
JPS508447B1 (en) * 1970-03-02 1975-04-04

Also Published As

Publication number Publication date
JP2528419B2 (en) 1996-08-28
JPH07196336A (en) 1995-08-01
FR2680779A1 (en) 1993-03-05
DE4128676C1 (en) 1993-03-04

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20080430