GB2121783B - Highly refractive low dispersion low density optical glass suitable for corrective lenses - Google Patents
Highly refractive low dispersion low density optical glass suitable for corrective lensesInfo
- Publication number
- GB2121783B GB2121783B GB08314439A GB8314439A GB2121783B GB 2121783 B GB2121783 B GB 2121783B GB 08314439 A GB08314439 A GB 08314439A GB 8314439 A GB8314439 A GB 8314439A GB 2121783 B GB2121783 B GB 2121783B
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical glass
- density optical
- corrective lenses
- highly refractive
- glass suitable
- 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
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
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
-
- 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
- C03C4/00—Compositions for glass with special properties
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/387,635 US4444893A (en) | 1982-06-11 | 1982-06-11 | Highly refractive, low dispersion, low density optical glass suitable for corrective lenses |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8314439D0 GB8314439D0 (en) | 1983-06-29 |
GB2121783A GB2121783A (en) | 1984-01-04 |
GB2121783B true GB2121783B (en) | 1986-12-10 |
Family
ID=23530740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08314439A Expired GB2121783B (en) | 1982-06-11 | 1983-05-25 | Highly refractive low dispersion low density optical glass suitable for corrective lenses |
Country Status (5)
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2622569B1 (fr) * | 1987-11-04 | 1992-07-17 | Corning Glass Works | Verre a indice de refraction moyen pour application ophtalmiques |
DE69307936D1 (de) * | 1992-03-11 | 1997-03-20 | British Glass Mfg Confederatio | Glaszusammensetzungen |
DE69303374T3 (de) * | 1993-09-29 | 2003-09-11 | Ohara Sagamihara Kk | Optisches Glas |
DE4336122C1 (de) * | 1993-10-22 | 1995-04-27 | Deutsche Spezialglas Ag | Hochbrechendes ophtalmisches Glas und Verwendung des Glases |
JP3739529B2 (ja) * | 1996-12-06 | 2006-01-25 | オリンパス株式会社 | ズームレンズ |
US7005187B2 (en) * | 1999-08-30 | 2006-02-28 | Kabushiki Kaisha Ohara | Glass for a light filter and a light filter |
JP3399883B2 (ja) | 1999-08-30 | 2003-04-21 | 株式会社オハラ | 光フィルター用ガラス及び光フィルター |
DE10392962T5 (de) * | 2002-07-24 | 2005-08-18 | Nippon Sheet Glass Co., Ltd. | Glas zur Laser-Behandlung |
JP4405761B2 (ja) * | 2002-07-24 | 2010-01-27 | 日本板硝子株式会社 | レーザ加工用ガラス |
DE112004000123T5 (de) * | 2003-01-10 | 2005-11-10 | Nippon Sheet Glass Co., Ltd. | Glas für die Laserbearbeitung |
US7045475B2 (en) * | 2004-04-28 | 2006-05-16 | Pq Corporation | High refractive index glass beads for high retroreflectivity surfaces |
WO2007034896A1 (ja) | 2005-09-21 | 2007-03-29 | Honda Motor Co., Ltd. | ダイナミックダンパ |
RU2640220C1 (ru) * | 2016-10-31 | 2017-12-27 | Юлия Алексеевна Щепочкина | Стекло |
CN109867442B (zh) * | 2019-04-24 | 2021-11-26 | 成都光明光电股份有限公司 | 光学玻璃 |
CN109912195B (zh) * | 2019-04-24 | 2021-12-07 | 成都光明光电股份有限公司 | 光学玻璃、玻璃预制件、光学元件和光学仪器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2566134A (en) * | 1946-09-21 | 1951-08-28 | Holophane Co Inc | Zirconia-containing silicate glass |
US2554952A (en) * | 1946-09-21 | 1951-05-29 | Holophane Co Inc | Titania-containing silicate glass |
BE551389A (US06373033-20020416-M00071.png) * | 1956-09-10 | |||
US2901365A (en) * | 1957-11-25 | 1959-08-25 | Pittsburgh Plate Glass Co | Glass composition |
DE1596864B1 (de) * | 1967-11-14 | 1971-11-11 | Jenaer Glaswerk Schott & Gen | Fluoridfreies optisches flintglas mit relativ niedrigen brechwerten und relativ hoher dispersion und verfahren zu seiner herstellung |
US4001019A (en) * | 1972-03-08 | 1977-01-04 | Hoya Glass Works, Ltd. | Reversible light sensitive glass |
AR202803A1 (es) * | 1972-12-02 | 1975-07-24 | Jenaer Glaswerk Schott & Gen | Cristales para gafas |
GB1545208A (en) * | 1975-09-27 | 1979-05-02 | Plessey Co Ltd | Electrical solid state devices |
FR2395961A1 (fr) * | 1977-07-01 | 1979-01-26 | Corning Glass Works | Verre d'indice de refraction eleve et de faible densite |
GB2029401B (en) * | 1979-08-16 | 1983-01-06 | Sumita Optical Glass Mfg Co Lt | Optical glass for optical paths |
JPS5953223B2 (ja) * | 1979-10-23 | 1984-12-24 | ホ−ヤ株式会社 | 眼鏡レンズ用ガラス |
-
1982
- 1982-06-11 US US06/387,635 patent/US4444893A/en not_active Expired - Lifetime
-
1983
- 1983-05-25 GB GB08314439A patent/GB2121783B/en not_active Expired
- 1983-05-28 DE DE19833319442 patent/DE3319442A1/de active Granted
- 1983-06-09 JP JP58103504A patent/JPS593041A/ja active Granted
- 1983-06-10 FR FR8309637A patent/FR2528414B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6341860B2 (US06373033-20020416-M00071.png) | 1988-08-19 |
GB8314439D0 (en) | 1983-06-29 |
FR2528414A1 (fr) | 1983-12-16 |
GB2121783A (en) | 1984-01-04 |
DE3319442A1 (de) | 1983-12-15 |
US4444893A (en) | 1984-04-24 |
DE3319442C2 (US06373033-20020416-M00071.png) | 1988-01-14 |
FR2528414B1 (fr) | 1986-07-11 |
JPS593041A (ja) | 1984-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |