JPS549605B2 - - Google Patents
Info
- Publication number
- JPS549605B2 JPS549605B2 JP3793373A JP3793373A JPS549605B2 JP S549605 B2 JPS549605 B2 JP S549605B2 JP 3793373 A JP3793373 A JP 3793373A JP 3793373 A JP3793373 A JP 3793373A JP S549605 B2 JPS549605 B2 JP S549605B2
- Authority
- JP
- Japan
- 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
- C03C4/00—Compositions for glass with special properties
- C03C4/04—Compositions for glass with special properties for photosensitive glass
- C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/23—Photochromic filters
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (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 |
|---|---|---|---|
| DE19722223629 DE2223629C3 (en) | 1972-05-15 | Phototropic glass, suitable as a near-part material for fusing with photochromic far-part glasses based on an optical glass of the system SiO deep 2 -B deep 2 0 deep 3 -Al deep 2 0 deep 3 -La deep 2 0 deep 3 -PbO- (ZnO) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4926314A JPS4926314A (en) | 1974-03-08 |
| JPS549605B2 true JPS549605B2 (en) | 1979-04-26 |
Family
ID=5844917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3793373A Expired JPS549605B2 (en) | 1972-05-15 | 1973-04-04 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS549605B2 (en) |
| AT (1) | AT338451B (en) |
| CA (1) | CA1023187A (en) |
| FR (1) | FR2184805B1 (en) |
| GB (1) | GB1419644A (en) |
| IT (1) | IT985902B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2346296A1 (en) * | 1976-03-31 | 1977-10-28 | Corning Glass Works | Multifocal glass lens mfr. - using photochromic glass fused to another glass and heat treated |
| DE3117000C2 (en) * | 1981-04-29 | 1986-05-28 | Schott Glaswerke, 6500 Mainz | Phototropic glass with a refractive index? 1.59, an Abbe number? 40 and a density ≦ 3.2 g / cm? 3? |
| DE3917614C1 (en) * | 1989-05-31 | 1990-06-07 | Schott Glaswerke, 6500 Mainz, De | |
| JP2711618B2 (en) * | 1992-06-30 | 1998-02-10 | ティーディーケイ株式会社 | Dielectric composition, multilayer wiring board and multilayer ceramic capacitor |
| US8361917B2 (en) | 2010-08-05 | 2013-01-29 | Schott Corporation | Rare earth aluminoborosilicate glass composition |
| CN114728837A (en) * | 2019-11-14 | 2022-07-08 | 日本电气硝子株式会社 | Glass article |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1924493C3 (en) * | 1968-05-17 | 1975-12-18 | Nippon Sheet Glass Co. Ltd., Osaka (Japan) | Fast-reacting, highly stable, phototropic glass based on borate or borosilicate, as well as a process for its manufacture |
| FR2104862A1 (en) * | 1970-08-19 | 1972-04-21 | Corning Glass Works | Heat-darkenable photochromic glass - with lanthanum borate glass-phase contg silver halides and copper oxide |
-
1973
- 1973-03-05 AT AT191173A patent/AT338451B/en not_active IP Right Cessation
- 1973-04-04 JP JP3793373A patent/JPS549605B2/ja not_active Expired
- 1973-05-14 IT IT6836973A patent/IT985902B/en active
- 1973-05-14 FR FR7317342A patent/FR2184805B1/fr not_active Expired
- 1973-05-15 CA CA171,363A patent/CA1023187A/en not_active Expired
- 1973-05-15 GB GB2305973A patent/GB1419644A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2184805B1 (en) | 1978-07-07 |
| FR2184805A1 (en) | 1973-12-28 |
| GB1419644A (en) | 1975-12-31 |
| ATA191173A (en) | 1976-12-15 |
| DE2223629B2 (en) | 1975-12-04 |
| AT338451B (en) | 1977-08-25 |
| IT985902B (en) | 1974-12-30 |
| JPS4926314A (en) | 1974-03-08 |
| DE2223629A1 (en) | 1973-12-06 |
| CA1023187A (en) | 1977-12-27 |