BE471354A - - Google Patents
Info
- Publication number
- BE471354A BE471354A BE471354DA BE471354A BE 471354 A BE471354 A BE 471354A BE 471354D A BE471354D A BE 471354DA BE 471354 A BE471354 A BE 471354A
- Authority
- BE
- Belgium
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
- C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
- C03C3/247—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron containing fluorine and phosphorus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
- F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
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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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US644178A US2481700A (en) | 1946-01-29 | 1946-01-29 | Fluophosphate glass |
| US689533A US2496824A (en) | 1946-01-29 | 1946-08-09 | Ferric fluophosphate glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471354A true BE471354A (ko) |
Family
ID=27094421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471354D BE471354A (ko) | 1946-01-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2496824A (ko) |
| BE (1) | BE471354A (ko) |
| CH (2) | CH270499A (ko) |
| FR (1) | FR965987A (ko) |
| GB (3) | GB649511A (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE945408C (de) * | 1955-01-29 | 1956-07-05 | Jenaer Glaswerk Schott & Gen | Berylliumfreies, phosphathaltiges Fluoridglas |
| DE1088674B (de) * | 1958-06-13 | 1960-09-08 | Jenaer Glaswerk Schott & Gen | Verfahren zum Herstellen alkali- und berylliumfreier, fluoridhaltiger Phosphatglaeser |
| US4302074A (en) * | 1979-04-02 | 1981-11-24 | Bell Telephone Laboratories, Incorporated | Aluminum metaphosphate optical fibers |
| US4379616A (en) * | 1979-04-02 | 1983-04-12 | Bell Telephone Laboratories, Incorporated | Aluminum metaphosphate optical fibers |
| DE3105664A1 (de) * | 1980-02-26 | 1982-01-21 | Corning Glass Works, 14830 Corning, N.Y. | Fluoraluminiumphosphatglaeser |
| DE3634675A1 (de) * | 1985-10-19 | 1987-04-23 | Leitz Ernst Gmbh | Optisches phosphatglas mit anomaler positiver teildispersion und verfahren zu seiner herstellung |
| JPH02124740A (ja) * | 1988-10-06 | 1990-05-14 | Sumita Kogaku Glass Seizosho:Kk | フツリン酸塩光学ガラス |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2278501A (en) * | 1939-05-12 | 1942-04-07 | American Optical Corp | Glass composition and product thereof |
| BE461041A (ko) * | 1941-09-15 |
-
0
- BE BE471354D patent/BE471354A/xx unknown
-
1946
- 1946-08-09 US US689533A patent/US2496824A/en not_active Expired - Lifetime
-
1947
- 1947-01-28 FR FR965987D patent/FR965987A/fr not_active Expired
- 1947-01-28 GB GB2638/47A patent/GB649511A/en not_active Expired
- 1947-01-29 CH CH270499D patent/CH270499A/fr unknown
- 1947-01-29 GB GB2812/47A patent/GB649513A/en not_active Expired
- 1947-01-29 GB GB2807/47A patent/GB649512A/en not_active Expired
- 1947-02-05 CH CH267079D patent/CH267079A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB649513A (en) | 1951-01-31 |
| FR965987A (fr) | 1950-09-27 |
| US2496824A (en) | 1950-02-07 |
| CH267079A (fr) | 1950-03-15 |
| CH270499A (fr) | 1950-09-15 |
| GB649511A (en) | 1951-01-31 |
| GB649512A (en) | 1951-01-31 |