JPH0433740B2 - - Google Patents
Info
- Publication number
- JPH0433740B2 JPH0433740B2 JP24155887A JP24155887A JPH0433740B2 JP H0433740 B2 JPH0433740 B2 JP H0433740B2 JP 24155887 A JP24155887 A JP 24155887A JP 24155887 A JP24155887 A JP 24155887A JP H0433740 B2 JPH0433740 B2 JP H0433740B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- sio
- fluorophosphate
- present
- devitrification
- 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
- 239000005303 fluorophosphate glass Substances 0.000 claims description 17
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 9
- 229910016036 BaF 2 Inorganic materials 0.000 claims description 3
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 3
- 229910001618 alkaline earth metal fluoride Inorganic materials 0.000 claims description 3
- -1 SrF 2 Inorganic materials 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 229910052681 coesite Inorganic materials 0.000 claims 1
- 229910052906 cristobalite Inorganic materials 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 229910052682 stishovite Inorganic materials 0.000 claims 1
- 229910052905 tridymite Inorganic materials 0.000 claims 1
- 239000011521 glass Substances 0.000 description 32
- 238000004031 devitrification Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24155887A JPS6483537A (en) | 1987-09-26 | 1987-09-26 | Fluorophosphate glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24155887A JPS6483537A (en) | 1987-09-26 | 1987-09-26 | Fluorophosphate glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6483537A JPS6483537A (en) | 1989-03-29 |
| JPH0433740B2 true JPH0433740B2 (en, 2012) | 1992-06-03 |
Family
ID=17076135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24155887A Granted JPS6483537A (en) | 1987-09-26 | 1987-09-26 | Fluorophosphate glass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6483537A (en, 2012) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4217032B2 (ja) | 2002-06-17 | 2009-01-28 | オリンパス株式会社 | 光学素子 |
| CN103011588B (zh) * | 2007-03-06 | 2016-08-17 | Hoya株式会社 | 光学玻璃、模压成形用预成形件、光学元件以及它们的制造方法 |
-
1987
- 1987-09-26 JP JP24155887A patent/JPS6483537A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6483537A (en) | 1989-03-29 |
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