BE551391A - - Google Patents
Info
- Publication number
- BE551391A BE551391A BE551391DA BE551391A BE 551391 A BE551391 A BE 551391A BE 551391D A BE551391D A BE 551391DA BE 551391 A BE551391 A BE 551391A
- 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
- C03C3/04—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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
-
- 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
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2762956A GB804106A (en) | 1956-09-10 | 1956-09-10 | Improvements in or relating to glass compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE551391A true BE551391A (xx) |
Family
ID=10262718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE551391D BE551391A (xx) | 1956-09-10 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE551391A (xx) |
| CH (1) | CH353135A (xx) |
| DE (1) | DE1050965B (xx) |
| GB (1) | GB804106A (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4894303A (en) * | 1983-06-24 | 1990-01-16 | Canyon Materials Research & Engineering | High energy beam-sensitive glasses |
| DE69200011T2 (de) * | 1992-02-19 | 1994-03-03 | Baccarat Cristalleries | Bleifreie Kristallglaszusammensetzung. |
| DE19609735C2 (de) * | 1996-03-13 | 1998-01-29 | Schott Glaswerke | Bleifreie Kronflintgläser |
| US20020019305A1 (en) | 1996-10-31 | 2002-02-14 | Che-Kuang Wu | Gray scale all-glass photomasks |
| US6562523B1 (en) | 1996-10-31 | 2003-05-13 | Canyon Materials, Inc. | Direct write all-glass photomask blanks |
| DE19650692C2 (de) * | 1996-12-06 | 1999-01-14 | Schott Glas | Bleifreie Krongläser |
-
0
- BE BE551391D patent/BE551391A/xx unknown
- DE DENDAT1050965D patent/DE1050965B/de active Pending
-
1956
- 1956-09-10 GB GB2762956A patent/GB804106A/en not_active Expired
- 1956-09-26 CH CH353135D patent/CH353135A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1050965B (xx) | 1959-02-19 |
| CH353135A (fr) | 1961-03-31 |
| GB804106A (en) | 1958-11-05 |