JPH0425222B2 - - Google Patents
Info
- Publication number
- JPH0425222B2 JPH0425222B2 JP20874384A JP20874384A JPH0425222B2 JP H0425222 B2 JPH0425222 B2 JP H0425222B2 JP 20874384 A JP20874384 A JP 20874384A JP 20874384 A JP20874384 A JP 20874384A JP H0425222 B2 JPH0425222 B2 JP H0425222B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- weight
- refractive index
- tendency
- less
- 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 claims description 13
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 claims description 8
- 229910005793 GeO 2 Inorganic materials 0.000 claims description 5
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 5
- 239000011521 glass Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004031 devitrification Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005352 clarification Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- SITVSCPRJNYAGV-UHFFFAOYSA-L tellurite Chemical compound [O-][Te]([O-])=O SITVSCPRJNYAGV-UHFFFAOYSA-L 0.000 description 1
- 230000004580 weight loss Effects 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
- C03C3/12—Silica-free oxide glass compositions
- C03C3/253—Silica-free oxide glass compositions containing germanium
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 |
|---|---|---|---|
| JP20874384A JPS6186447A (ja) | 1984-10-04 | 1984-10-04 | 高屈折光学ガラス |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20874384A JPS6186447A (ja) | 1984-10-04 | 1984-10-04 | 高屈折光学ガラス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6186447A JPS6186447A (ja) | 1986-05-01 |
| JPH0425222B2 true JPH0425222B2 (enrdf_load_stackoverflow) | 1992-04-30 |
Family
ID=16561343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20874384A Granted JPS6186447A (ja) | 1984-10-04 | 1984-10-04 | 高屈折光学ガラス |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6186447A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016088761A (ja) * | 2014-10-29 | 2016-05-23 | 株式会社オハラ | 赤外線透過ガラス、光学素子及びプリフォーム |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5283211A (en) * | 1990-11-28 | 1994-02-01 | Corning Incorporated | Thallium germanate, tellurite, and antimonite glasses |
| US5093288A (en) * | 1990-11-28 | 1992-03-03 | Corning Incorporated | Thallium germanate, tellurite, and antimonite glasses |
| JP5271483B2 (ja) * | 2005-04-28 | 2013-08-21 | 株式会社オハラ | 光学ガラス |
| JP6537806B2 (ja) * | 2014-10-29 | 2019-07-03 | 株式会社オハラ | 赤外線透過ガラス、光学素子及びプリフォーム |
-
1984
- 1984-10-04 JP JP20874384A patent/JPS6186447A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016088761A (ja) * | 2014-10-29 | 2016-05-23 | 株式会社オハラ | 赤外線透過ガラス、光学素子及びプリフォーム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6186447A (ja) | 1986-05-01 |
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