FR2622569B1 - Verre a indice de refraction moyen pour application ophtalmiques - Google Patents

Verre a indice de refraction moyen pour application ophtalmiques

Info

Publication number
FR2622569B1
FR2622569B1 FR8715278A FR8715278A FR2622569B1 FR 2622569 B1 FR2622569 B1 FR 2622569B1 FR 8715278 A FR8715278 A FR 8715278A FR 8715278 A FR8715278 A FR 8715278A FR 2622569 B1 FR2622569 B1 FR 2622569B1
Authority
FR
France
Prior art keywords
refraction index
index glass
ophthalmic applications
medium refraction
medium
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 - Lifetime
Application number
FR8715278A
Other languages
English (en)
Other versions
FR2622569A1 (fr
Inventor
Jean Emile Boudot
Jean-Pierre Mazeau
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.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Priority to FR8715278A priority Critical patent/FR2622569B1/fr
Priority to US07/210,427 priority patent/US4822758A/en
Priority to CA000580592A priority patent/CA1320505C/fr
Priority to ES88310007T priority patent/ES2041808T3/es
Priority to EP19880310007 priority patent/EP0315353B1/fr
Priority to DE19883881827 priority patent/DE3881827T2/de
Priority to JP63278501A priority patent/JP2683778B2/ja
Priority to CN88107629.5A priority patent/CN1018540B/zh
Priority to BR8805703A priority patent/BR8805703A/pt
Priority to AR31238788A priority patent/AR242016A1/es
Priority to IN795/MAS/88A priority patent/IN172070B/en
Publication of FR2622569A1 publication Critical patent/FR2622569A1/fr
Application granted granted Critical
Publication of FR2622569B1 publication Critical patent/FR2622569B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
    • 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)
FR8715278A 1987-11-04 1987-11-04 Verre a indice de refraction moyen pour application ophtalmiques Expired - Lifetime FR2622569B1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR8715278A FR2622569B1 (fr) 1987-11-04 1987-11-04 Verre a indice de refraction moyen pour application ophtalmiques
US07/210,427 US4822758A (en) 1987-11-04 1988-06-23 Medium refractive index glass suitable for ophthalmic applications
CA000580592A CA1320505C (fr) 1987-11-04 1988-10-19 Verre a indice de refraction moyen pour applications ophtalmiques
EP19880310007 EP0315353B1 (fr) 1987-11-04 1988-10-25 Verres d'indice de réfraction moyen convenant à des applications ophtalmologiques
DE19883881827 DE3881827T2 (de) 1987-11-04 1988-10-25 Glas von mittlerem Brechungsindex, anwendbar in ophthalmischen Anwendungen.
ES88310007T ES2041808T3 (es) 1987-11-04 1988-10-25 Vidrio de indice de refraccion medio adecuado para aplicaciones oftalmicas.
JP63278501A JP2683778B2 (ja) 1987-11-04 1988-11-02 小さな複屈折と中程度の屈折率を有する眼鏡用レンズ
CN88107629.5A CN1018540B (zh) 1987-11-04 1988-11-02 适用于眼科用途的中等折射率玻璃
BR8805703A BR8805703A (pt) 1987-11-04 1988-11-03 Vidro para aplicacoes oftalmicas
AR31238788A AR242016A1 (es) 1987-11-04 1988-11-03 Cristal apropiado para aplicaciones oftalmicas.
IN795/MAS/88A IN172070B (fr) 1987-11-04 1988-11-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8715278A FR2622569B1 (fr) 1987-11-04 1987-11-04 Verre a indice de refraction moyen pour application ophtalmiques

Publications (2)

Publication Number Publication Date
FR2622569A1 FR2622569A1 (fr) 1989-05-05
FR2622569B1 true FR2622569B1 (fr) 1992-07-17

Family

ID=9356471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8715278A Expired - Lifetime FR2622569B1 (fr) 1987-11-04 1987-11-04 Verre a indice de refraction moyen pour application ophtalmiques

Country Status (4)

Country Link
US (1) US4822758A (fr)
CN (1) CN1018540B (fr)
FR (1) FR2622569B1 (fr)
IN (1) IN172070B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250098A (en) * 1992-07-27 1993-10-05 Ford Motor Company Thermally durable anti-reflective glass
DE19958517C1 (de) 1999-12-04 2001-06-21 Schott Glas Bleifreie optische Leichtflintgläser
JP2003292338A (ja) * 2002-04-02 2003-10-15 Ohara Inc 光学ガラス
JP2005038956A (ja) * 2003-07-17 2005-02-10 Matsushita Electric Ind Co Ltd 光部品とその製造方法
US7045475B2 (en) * 2004-04-28 2006-05-16 Pq Corporation High refractive index glass beads for high retroreflectivity surfaces
CN106382081A (zh) * 2016-08-31 2017-02-08 夏波 一种建筑玻璃

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523265A (en) * 1947-11-28 1950-09-26 Corning Glass Works Ophthalmic glass
US2699399A (en) * 1952-02-18 1955-01-11 Corning Glass Works Green ophthalmic glass
BE551389A (fr) * 1956-09-10
US2901365A (en) * 1957-11-25 1959-08-25 Pittsburgh Plate Glass Co Glass composition
JPS5953223B2 (ja) * 1979-10-23 1984-12-24 ホ−ヤ株式会社 眼鏡レンズ用ガラス
DE3139212A1 (de) * 1981-10-02 1983-04-21 Schott Glaswerke, 6500 Mainz Optisches und ophthalmisches glas mit brechwerten nd>= 1,58, abbezahlen >= 45 und dichten <= 2,75 g/cm(pfeil hoch)3(pfeil hoch)
GB2115403B (en) * 1982-02-20 1985-11-27 Zeiss Stiftung Optical and opthalmic glass
US4444893A (en) * 1982-06-11 1984-04-24 Schott Glass Technologies, Inc. Highly refractive, low dispersion, low density optical glass suitable for corrective lenses
FR2550187B1 (fr) * 1983-08-02 1986-06-06 Corning Glass Works Verres de faible densite et de haut indice de refraction pour applications ophtalmiques et optiques

Also Published As

Publication number Publication date
FR2622569A1 (fr) 1989-05-05
US4822758A (en) 1989-04-18
CN1032928A (zh) 1989-05-17
IN172070B (fr) 1993-03-27
CN1018540B (zh) 1992-10-07

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Legal Events

Date Code Title Description
ST Notification of lapse