JPS4926313A - - Google Patents
Info
- Publication number
- JPS4926313A JPS4926313A JP48035869A JP3586973A JPS4926313A JP S4926313 A JPS4926313 A JP S4926313A JP 48035869 A JP48035869 A JP 48035869A JP 3586973 A JP3586973 A JP 3586973A JP S4926313 A JPS4926313 A JP S4926313A
- 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.)
- Pending
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
- C03C3/12—Silica-free oxide glass compositions
- C03C3/14—Silica-free oxide glass compositions containing boron
- C03C3/145—Silica-free oxide glass compositions containing boron containing aluminium or beryllium
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- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722223564 DE2223564A1 (de) | 1972-05-15 | 1972-05-15 | Optisches boratglas guter chemischer bestaendigkeit mit negativer anomaler teildispersion und brechzahlen n tief e zwischen 1,65 und 1,79 und abbe-zahlen ny tief e zwischen 40 und 30 sowie ein verfahren zu seiner herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4926313A true JPS4926313A (en, 2012) | 1974-03-08 |
Family
ID=5844889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48035869A Pending JPS4926313A (en, 2012) | 1972-05-15 | 1973-03-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3929495A (en, 2012) |
| JP (1) | JPS4926313A (en, 2012) |
| DE (1) | DE2223564A1 (en, 2012) |
| FR (1) | FR2184824A1 (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4032567A1 (de) * | 1990-01-16 | 1991-07-18 | Schott Glaswerke | Optisches glas mit negativer teildispersion im blauen bereich, brechungsindices n(pfeil abwaerts)d(pfeil abwaerts)von 1,69 bis 1,83 und abbezahlen v(pfeil abwaerts)d(pfeil abwaerts)von 29 bis 38,5 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE481433A (en, 2012) * | 1947-03-26 | |||
| US2996392A (en) * | 1958-03-31 | 1961-08-15 | Leitz Ernst Gmbh | Optical glass |
| US3149984A (en) * | 1960-12-17 | 1964-09-22 | Jenaer Glaswerk Schott & Gen | Lead glass for optical use |
| NL294727A (en, 2012) * | 1963-06-28 | |||
| DE1259027B (de) * | 1964-09-23 | 1968-01-18 | Leitz Ernst Gmbh | Glas, insbesondere als Werkstoff fuer optische Elemente |
| GB1121000A (en) * | 1965-09-13 | 1968-07-24 | Pilkington Brothers Ltd | Improvements in or relating to optical glass |
| US3486915A (en) * | 1969-04-10 | 1969-12-30 | Leitz Ernst Gmbh | Optical glass |
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1972
- 1972-05-15 DE DE19722223564 patent/DE2223564A1/de active Pending
-
1973
- 1973-03-30 JP JP48035869A patent/JPS4926313A/ja active Pending
- 1973-05-14 FR FR7317415A patent/FR2184824A1/fr not_active Withdrawn
- 1973-05-15 US US360418A patent/US3929495A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2184824A1 (en, 2012) | 1973-12-28 |
| US3929495A (en) | 1975-12-30 |
| DE2223564A1 (de) | 1973-11-29 |