GB319337A - Improvements in and relating to substances transparent to ultra-violet light - Google Patents
Improvements in and relating to substances transparent to ultra-violet lightInfo
- Publication number
- GB319337A GB319337A GB32123/28A GB3212328A GB319337A GB 319337 A GB319337 A GB 319337A GB 32123/28 A GB32123/28 A GB 32123/28A GB 3212328 A GB3212328 A GB 3212328A GB 319337 A GB319337 A GB 319337A
- Authority
- GB
- United Kingdom
- Prior art keywords
- batch
- iron
- silica
- glass
- present
- 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
- 239000000126 substance Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract 4
- 229910052742 iron Inorganic materials 0.000 abstract 4
- 239000000377 silicon dioxide Substances 0.000 abstract 4
- 239000011521 glass Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- 229910011255 B2O3 Inorganic materials 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 abstract 2
- 239000011787 zinc oxide Substances 0.000 abstract 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 150000001639 boron compounds Chemical class 0.000 abstract 1
- 239000005388 borosilicate glass Substances 0.000 abstract 1
- 239000011449 brick Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000002737 fuel gas Substances 0.000 abstract 1
- 239000005350 fused silica glass Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 210000003462 vein Anatomy 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
- C03C3/04—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
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
-
- 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
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
-
- 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
- C03C3/16—Silica-free oxide glass compositions containing phosphorus
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)
- Silicon Compounds (AREA)
- Glass Compositions (AREA)
Abstract
319,337. Corning Glass Works, (Assignees of Hood, H. P.). Sept. 21, 1928, [Convention date]. Production of metal.-Relates to the method of producing glasses which transmit a high proportion of ultraviolet rays by using batch material which are free from iron and titanium, as described in Specification 263,410. The present invention deals with the selection and treatment of the batch materials. The silica preferably consists of vein quartz which has been crushed and then treated to remove any iron introduced during crushing. In making a borosilicate glass, a boron compound is added to the batch in such a quantity that, in the resulting gases, the sum of the percentages of silica and boric oxide is from 10 to 22 times the sum of the percentages of alkalies, and the percentage of silica is at least five times that of the boric oxide. When iron is present, a reducing material is necessary and carbon, or a carbonaceous compound, is convenient for this purpose. Carbon imparts a yellow or amber colour to the glass, but the addition of zinc oxide neutralizes the yellow colour and the resulting glass has a bluish green tinge. The zinc oxide should be specially purified to remove any traces of lead that may be present. The batch is melted in pots made of fused quartz, or in small tanks constructed of good quality silica bricks. The air and fuel gases used for heating the furnace are preferably filtered, and burners with nickel tips are used to prevent the introduction of iron scale.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US319337XA | 1928-09-21 | 1928-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB319337A true GB319337A (en) | 1930-02-03 |
Family
ID=21862189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32123/28A Expired GB319337A (en) | 1928-09-21 | 1928-11-03 | Improvements in and relating to substances transparent to ultra-violet light |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB319337A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0757021A1 (en) * | 1995-02-10 | 1997-02-05 | Asahi Glass Company Ltd. | Scratch-resistant glass |
| US6510264B2 (en) | 2000-07-31 | 2003-01-21 | Corning Incorporated | Bulk internal bragg gratings and optical devices |
| US6632759B2 (en) | 2000-07-31 | 2003-10-14 | Corning Incorporated | UV photosensitive melted germano-silicate glasses |
| US6731839B2 (en) | 2000-07-31 | 2004-05-04 | Corning Incorporated | Bulk internal Bragg gratings and optical devices |
| US6828262B2 (en) | 2000-07-31 | 2004-12-07 | Corning Incorporated | UV photosensitive melted glasses |
-
1928
- 1928-11-03 GB GB32123/28A patent/GB319337A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0757021A1 (en) * | 1995-02-10 | 1997-02-05 | Asahi Glass Company Ltd. | Scratch-resistant glass |
| EP0757021A4 (en) * | 1995-02-10 | 1998-11-25 | Asahi Glass Co Ltd | Scratch-resistant glass |
| US6510264B2 (en) | 2000-07-31 | 2003-01-21 | Corning Incorporated | Bulk internal bragg gratings and optical devices |
| US6632759B2 (en) | 2000-07-31 | 2003-10-14 | Corning Incorporated | UV photosensitive melted germano-silicate glasses |
| US6731839B2 (en) | 2000-07-31 | 2004-05-04 | Corning Incorporated | Bulk internal Bragg gratings and optical devices |
| US6828262B2 (en) | 2000-07-31 | 2004-12-07 | Corning Incorporated | UV photosensitive melted glasses |
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