CN1018540B - 适用于眼科用途的中等折射率玻璃 - Google Patents

适用于眼科用途的中等折射率玻璃

Info

Publication number
CN1018540B
CN1018540B CN88107629.5A CN88107629A CN1018540B CN 1018540 B CN1018540 B CN 1018540B CN 88107629 A CN88107629 A CN 88107629A CN 1018540 B CN1018540 B CN 1018540B
Authority
CN
China
Prior art keywords
glass
birefringence
degree
cao
ophthalmic applications
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
CN88107629.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN1032928A (zh
Inventor
琼·爱米勒·布多
琼-比尔歇·马治安
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 Inc
Original Assignee
Corning Inc
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 Inc filed Critical Corning Inc
Publication of CN1032928A publication Critical patent/CN1032928A/zh
Publication of CN1018540B publication Critical patent/CN1018540B/zh
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
    • 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)
CN88107629.5A 1987-11-04 1988-11-02 适用于眼科用途的中等折射率玻璃 Expired CN1018540B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8715278 1987-11-04
FR8715278A FR2622569B1 (fr) 1987-11-04 1987-11-04 Verre a indice de refraction moyen pour application ophtalmiques

Publications (2)

Publication Number Publication Date
CN1032928A CN1032928A (zh) 1989-05-17
CN1018540B true CN1018540B (zh) 1992-10-07

Family

ID=9356471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN88107629.5A Expired CN1018540B (zh) 1987-11-04 1988-11-02 适用于眼科用途的中等折射率玻璃

Country Status (4)

Country Link
US (1) US4822758A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
CN (1) CN1018540B (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR2622569B1 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
IN (1) IN172070B (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

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 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * 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
DE3139212C2 (de) * 1981-10-02 1987-02-12 Schott Glaswerke, 6500 Mainz Verwendung eines Glases mit Brechwerten nd ≥ 1,58, Abbezahlen ≥ 45 und Dichten ≦ 2,75 g/cm↑3↑ als Brillenglas
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
US4822758A (en) 1989-04-18
IN172070B (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1993-03-27
FR2622569A1 (fr) 1989-05-05
FR2622569B1 (fr) 1992-07-17
CN1032928A (zh) 1989-05-17

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C13 Decision
GR02 Examined patent application
C14 Grant of patent or utility model
GR01 Patent grant
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee