JPH0249258B2 - - Google Patents

Info

Publication number
JPH0249258B2
JPH0249258B2 JP57098382A JP9838282A JPH0249258B2 JP H0249258 B2 JPH0249258 B2 JP H0249258B2 JP 57098382 A JP57098382 A JP 57098382A JP 9838282 A JP9838282 A JP 9838282A JP H0249258 B2 JPH0249258 B2 JP H0249258B2
Authority
JP
Japan
Prior art keywords
glass
refractive index
weight
bao
tio
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
JP57098382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5849643A (ja
Inventor
Emiiru Budo Jan
Pieeru Majuu Jiin
Kurisuchan Misho Andoru
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
Publication of JPS5849643A publication Critical patent/JPS5849643A/ja
Publication of JPH0249258B2 publication Critical patent/JPH0249258B2/ja
Granted 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
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • 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)
  • Eyeglasses (AREA)
JP57098382A 1981-06-24 1982-06-08 高屈折率の眼鏡用ガラス Granted JPS5849643A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8112383A FR2508433A1 (fr) 1981-06-24 1981-06-24 Verres ophtalmiques a indice de refraction eleve
FR8112383 1981-06-24

Publications (2)

Publication Number Publication Date
JPS5849643A JPS5849643A (ja) 1983-03-23
JPH0249258B2 true JPH0249258B2 (en]) 1990-10-29

Family

ID=9259823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57098382A Granted JPS5849643A (ja) 1981-06-24 1982-06-08 高屈折率の眼鏡用ガラス

Country Status (6)

Country Link
US (1) US4351906A (en])
JP (1) JPS5849643A (en])
BR (1) BR8202793A (en])
DE (1) DE3220674A1 (en])
FR (1) FR2508433A1 (en])
GB (1) GB2100715B (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05260196A (ja) * 1992-03-10 1993-10-08 Aiphone Co Ltd 集合住宅用インターホン装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507393A (en) * 1983-08-11 1985-03-26 Schott Glass Technologies, Inc. Highly prefractive, low dispersion optical glass suitable for multifocal corrective lenses
JPS6096542A (ja) * 1983-10-27 1985-05-30 Hoya Corp 多焦点眼鏡レンズ用ガラス
DE3404363A1 (de) * 1984-02-08 1985-08-14 Schott Glaswerke, 6500 Mainz Hoch pbo-haltige glaeser im system sio(pfeil abwaerts)2(pfeil abwaerts)pbo-m(pfeil abwaerts)2(pfeil abwaerts)o mit erhoehter chemischer bestaendigkeit
JP2668049B2 (ja) * 1988-02-26 1997-10-27 株式会社オハラ 光学ガラス
DE4336122C1 (de) * 1993-10-22 1995-04-27 Deutsche Spezialglas Ag Hochbrechendes ophtalmisches Glas und Verwendung des Glases
US6046123A (en) * 1996-04-02 2000-04-04 Corning S.A. Glasses with a high refractive index and their use as segments of multifocal corrective lenses
CN1252041A (zh) 1997-04-30 2000-05-03 康宁股份有限公司 高折射率玻璃以及含有该种玻璃的多焦点校正透镜
FR2769618B1 (fr) * 1997-10-10 2000-01-21 Corning Sa Verres a indice de refraction eleve, lentilles correctrices multifocales les incorporant
BR0108000A (pt) 2001-03-13 2002-12-17 Corning Inc Vidros de segmento oftálmico com alto nd
DE102009027109B4 (de) * 2009-06-23 2012-02-16 Schott Ag Bleihaltiges Weltraumglas, seine Herstellung und Verwendung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE389985A (en]) * 1931-07-29
US3902910A (en) * 1974-02-19 1975-09-02 Corning Glass Works Barium flint ophthalmic glasses
GB1509573A (en) * 1974-06-03 1978-05-04 Corning Glass Works High refractive index ophthalmic glasses
JPS5328448A (en) * 1976-08-30 1978-03-16 Agency Of Ind Science & Technol Tactile sensor
SU716017A1 (ru) * 1978-06-02 1980-02-15 Предприятие П/Я А-1695 Стекло
DE2824982C3 (de) * 1978-06-07 1981-04-30 Jenaer Glaswerk Schott & Gen., 6500 Mainz Hochbrechende optische Gläser des Systems SiO↓2↓-B↓2↓O↓3↓-TiO↓2↓- ZrO↓2↓-BaO-Nb↓2↓O↓5↓-Li↓2↓O mit geringer Dichte von s = 3,4 - 3,7 für Fernteil- und Nahteil-Brillengläser mit Brechwerten n↓D↓ = 1,79 - 1,81 und Dispersionen v↓D↓ = 31 - 29
US4211569A (en) * 1979-03-09 1980-07-08 Corning Glass Works High index ophthalmic glasses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05260196A (ja) * 1992-03-10 1993-10-08 Aiphone Co Ltd 集合住宅用インターホン装置

Also Published As

Publication number Publication date
DE3220674A1 (de) 1983-02-10
JPS5849643A (ja) 1983-03-23
US4351906A (en) 1982-09-28
DE3220674C2 (en]) 1991-04-11
GB2100715A (en) 1983-01-06
FR2508433A1 (fr) 1982-12-31
GB2100715B (en) 1984-11-21
BR8202793A (pt) 1983-04-26
FR2508433B1 (en]) 1984-09-07

Similar Documents

Publication Publication Date Title
US3973976A (en) High index ophthalmic glasses
HK148094A (en) High index photochromic glasses
JPS6236976B2 (en])
JPS6332734B2 (en])
US5424255A (en) High-refractive index phototropic glass
JPS63265840A (ja) 光学ガラス
JPS6341860B2 (en])
JPH0249258B2 (en])
JPS6311292B2 (en])
JPH031246B2 (en])
US4211569A (en) High index ophthalmic glasses
US3997249A (en) Ion exchangeable segment glass
US2762713A (en) Flint glasses for multifocal lenses
US5565389A (en) Ophthalmic glass of high refractive index
US4822758A (en) Medium refractive index glass suitable for ophthalmic applications
US3902910A (en) Barium flint ophthalmic glasses
JPS6319454B2 (en])
EP0315353B1 (en) Medium refractive index glass suitable for ophthalmic applications
JPH04292435A (ja) レンズの製造方法
EP1028921A1 (en) High refractive index glasses, multifocal corrective lenses containing same
JPH01157430A (ja) 耐薬品性のある高屈折率低密度ガラス
JPH0114184B2 (en])
US2699398A (en) Ophthalmic glass
EP0891308B1 (en) Glasses with a high refractive index and their use as segments of multifocal corrective lenses
WO1998049110A1 (en) High refractive index glasses, multifocal corrective lenses containing same