JPS647013B2 - - Google Patents
Info
- Publication number
- JPS647013B2 JPS647013B2 JP22994883A JP22994883A JPS647013B2 JP S647013 B2 JPS647013 B2 JP S647013B2 JP 22994883 A JP22994883 A JP 22994883A JP 22994883 A JP22994883 A JP 22994883A JP S647013 B2 JPS647013 B2 JP S647013B2
- Authority
- JP
- Japan
- Prior art keywords
- specific gravity
- glass
- cao
- sio
- mgo
- 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
- 230000005484 gravity Effects 0.000 claims description 14
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 9
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 239000005304 optical glass Substances 0.000 claims description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 5
- 238000004031 devitrification Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 206010000496 acne Diseases 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 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
- C03C3/14—Silica-free oxide glass compositions containing boron
- C03C3/15—Silica-free oxide glass compositions containing boron containing rare earths
- C03C3/155—Silica-free oxide glass compositions containing boron containing rare earths containing zirconium, titanium, tantalum or niobium
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 |
---|---|---|---|
JP22994883A JPS60122745A (ja) | 1983-12-07 | 1983-12-07 | 光学ガラス |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22994883A JPS60122745A (ja) | 1983-12-07 | 1983-12-07 | 光学ガラス |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60122745A JPS60122745A (ja) | 1985-07-01 |
JPS647013B2 true JPS647013B2 (enrdf_load_stackoverflow) | 1989-02-07 |
Family
ID=16900224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22994883A Granted JPS60122745A (ja) | 1983-12-07 | 1983-12-07 | 光学ガラス |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60122745A (enrdf_load_stackoverflow) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR8605356A (pt) * | 1985-11-29 | 1987-08-04 | Corning Glass Works | Vidro para aplicacoes oticas e/ou oftalmicas |
FR2690436B1 (fr) * | 1992-04-22 | 1995-02-03 | Corning France | Verres à très haut indice de réfraction et faible densité. |
AU3233401A (en) | 2000-02-18 | 2001-08-27 | Nikon Corporation | Optical glass and projection aligner using the same |
JP4522392B2 (ja) * | 2006-06-16 | 2010-08-11 | Hoya株式会社 | 光学ガラス及びそれを用いた光学製品 |
JP2009203155A (ja) | 2008-01-31 | 2009-09-10 | Ohara Inc | 光学ガラス |
JP2011037660A (ja) * | 2009-08-07 | 2011-02-24 | Ohara Inc | 光学ガラス、レンズプリフォーム及び光学素子 |
JP2011246337A (ja) * | 2010-04-30 | 2011-12-08 | Ohara Inc | 光学ガラス、光学素子およびガラス成形体の製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5337887B2 (enrdf_load_stackoverflow) * | 1972-11-13 | 1978-10-12 | ||
JPS5640092B2 (enrdf_load_stackoverflow) * | 1973-10-31 | 1981-09-18 | ||
FR2348163A1 (fr) * | 1976-04-16 | 1977-11-10 | Corning Glass Works | Verre a haut indice de refraction et faible densite |
DE3201344C2 (de) * | 1982-01-18 | 1984-02-16 | Schott Glaswerke, 6500 Mainz | Hochbrechende optische Gläser im System SiO↓2↓-B↓2↓O↓3↓-Alkalioxid-Erdalkalioxid-La↓2↓O↓3↓-ZrO↓2↓-TiO↓2↓-Nb↓2↓O↓5↓ mit Brechwerten von 1,79 - 1,82, Abbezahlen ≥ 32 und Dichten ≦ 4,0 |
DE3201346C2 (de) * | 1982-01-18 | 1986-03-13 | Schott Glaswerke, 6500 Mainz | Hochbrechende optische Gläser mit Brechungsindices von 1,84 - 1,87 und Abbezahlen von 30 - 33 im System SiO↓2↓-B↓2↓O↓3↓-Alkalioxid-Erdalkalioxid/ZnO-PbO-La↓2↓O↓3↓-ZrO↓2↓-TiO↓2↓-Nb↓2↓O↓5↓ |
-
1983
- 1983-12-07 JP JP22994883A patent/JPS60122745A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60122745A (ja) | 1985-07-01 |
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