GB621979A - Improvements in and relating to optical glass - Google Patents
Improvements in and relating to optical glassInfo
- Publication number
- GB621979A GB621979A GB2808/47A GB280847A GB621979A GB 621979 A GB621979 A GB 621979A GB 2808/47 A GB2808/47 A GB 2808/47A GB 280847 A GB280847 A GB 280847A GB 621979 A GB621979 A GB 621979A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- geo
- tio
- naf
- optical glass
- 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
- 239000005304 optical glass Substances 0.000 title abstract 3
- 229910005793 GeO 2 Inorganic materials 0.000 abstract 8
- 229910010413 TiO 2 Inorganic materials 0.000 abstract 7
- 239000011521 glass Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract 1
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
- C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
-
- 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
- C03C3/253—Silica-free oxide glass compositions containing germanium
-
- 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 |
|---|---|---|---|
| US644180A US2425403A (en) | 1946-01-29 | 1946-01-29 | Fluogermanate glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB621979A true GB621979A (en) | 1949-04-25 |
Family
ID=24583790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2808/47A Expired GB621979A (en) | 1946-01-29 | 1947-01-29 | Improvements in and relating to optical glass |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2573380A (en) * | 1943-05-07 | 1951-10-30 | Emi Ltd | Sealing cement for vacuum seals |
| US2659271A (en) * | 1950-02-23 | 1953-11-17 | Bell Telephone Labor Inc | Silicon-germanium objective lens |
| US3029152A (en) * | 1957-11-29 | 1962-04-10 | Pilkington Brothers Ltd | Optical glass |
| US3113877A (en) * | 1960-10-06 | 1963-12-10 | Int Resistance Co | Partially devitrified glasses |
-
0
- BE BE471355D patent/BE471355A/xx unknown
-
1946
- 1946-01-29 US US644180A patent/US2425403A/en not_active Expired - Lifetime
-
1947
- 1947-01-28 FR FR940166D patent/FR940166A/fr not_active Expired
- 1947-01-29 CH CH269120D patent/CH269120A/fr unknown
- 1947-01-29 GB GB2808/47A patent/GB621979A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE471355A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR940166A (fr) | 1948-12-06 |
| CH269120A (fr) | 1950-06-30 |
| US2425403A (en) | 1947-08-12 |
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