CN100366559C - High refractivity lanthanum optical glass LaSF010 - Google Patents
High refractivity lanthanum optical glass LaSF010 Download PDFInfo
- Publication number
- CN100366559C CN100366559C CNB03115977XA CN03115977A CN100366559C CN 100366559 C CN100366559 C CN 100366559C CN B03115977X A CNB03115977X A CN B03115977XA CN 03115977 A CN03115977 A CN 03115977A CN 100366559 C CN100366559 C CN 100366559C
- Authority
- CN
- China
- Prior art keywords
- optical glass
- lasf010
- high refractivity
- pbo
- temperature
- 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 - Fee Related
Links
- 239000005304 optical glass Substances 0.000 title claims abstract description 8
- 229910052746 lanthanum Inorganic materials 0.000 title claims description 5
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 title description 2
- 229910052747 lanthanoid Inorganic materials 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 10
- 150000002602 lanthanoids Chemical class 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229910001120 nichrome Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000000137 annealing Methods 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 abstract 1
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000005308 flint glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000010792 warming 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
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
- C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
- C03C3/074—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron containing zinc
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)
Abstract
The present invention discloses high refractivity lanthanide optical glass LaSF010 and a production process thereof. The high refractivity lanthanide optical glass LaSF010 comprises components: 3 to 5 wt% of SiO2, 22 to 26 wt% of B2O3, 29 to 35 wt% of La2O3, 7 to 12% of Nb2O5, 4 to 6.5 wt% of ZrO2, 5 to 6.5 wt% of Y2O3, 1.5 to 3.0 wt% of ZnO, 0 to 5 wt% of Ta2O5, 4.5 to 11 wt% of PbO, 1 to 2 wt% of TiO2, 0 to 8 wt% of Gb2O3 and 0 to 2.5 wt% of WO3, the components are mixed, the mixture is smelted at temperature of 1340 DEG C to 1360 DEG C and is formed, and annealing treatment is carried out about nine days at temperature of 600 DEG C to 650 DEG C. The present invention is the high refractivity and color dispersion lanthanide glass used for manufacturing advanced cameras, advanced precise instruments, etc.
Description
Affiliated technical field
The present invention is trade mark in the big class of heavy-lanthanide flint glass, be to make digital camera, Digital Video, CDROM, scanner and the essential supplementary material of other digital photoelectric product read-write lens, also be widely used in the diffusing group of the lanthanides glass of high refractive index high luminance relay such as Aeronautics and Astronautics simultaneously.
Background technology
At present, LaSF
010It consists of flint optical glass with heavy lanthanum:
SiO
2-B
2O
3-La
2O
3-Nb
2O
5-ZrO
2-Y
2O
3-Ta
2O
5-PbO-TiO
2
Its cost height, crystallization property, processability and refringence.
Summary of the invention
The object of the present invention is to provide a kind of optical constant (nd, vd), bubble, the requirement of striped conformance with standard, the group of the lanthanides glass of crystallization property, the high chromatic dispersion of high refractive index that processability is good.
The present invention is at SiO
2, B
2O
3, La
2O
3, Nb
2O
5, ZrO
2, Ta
2O
5, PbO, TiO
2Use Gd on the system-based
2O
3, PbO replaces Ta
2O
5
High-refractivity lanthanide glass of the present invention, amount is SiO by weight percentage
23-5.5%, B
2O
321-27%, La
2O
326-36%, Nb
2O
55-12%, ZrO
23-6.5%, Y
2O
35-6.5%, ZnO1.5-4.O%, Ta
2O
50-5%, PbO4.5-11%, TiO
21-2%, Gd
2O
30-9%, WO
30-2.5%.
Adopt above-mentioned prescription, make heavy-lanthanide flint glass LaSF
010In time, mix each component earlier, heats in platinum crucible molybdenum filament rod electric furnace in 1340-1360 ℃ and found into glass.Adopt leakage material technology to pull into pole or bulk then, through guipure black annealing, quick-fried one-tenth desired length.Above-mentioned glass is entered annealing furnace be warming up to annealing temperature 600-650 ℃ of guarantor 10-20H gradually, lower the temperature gradually about 8 days to room temperature then.
There is not AS among the present invention
2O
3, Sb
2O
3Finings.
Use Gd among the present invention
2O
3, PbO replaces most of Ta
2O
5, reduce the raw materials cost of filling a prescription, its glass quality performance there is not influence.
Embodiment
Below, the present invention is further illustrated to use embodiment again:
The component of embodiments of the invention 1-3, processing parameter, performance perameter such as following table:
| Component | Technical parameter | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| SiO 2 | (weight part) | 3.45 | 3.33 | 4.70 |
| B 2O 3 | (weight part) | 25.11 | 24.53 | 22.75 |
| La 2O 3 | (weight part) | 35.10 | 36.26 | 31.20 |
| Ta 2O 5 | (weight part) | 4.90 | 4.81 | 0.51 |
| Y 2O 3 | (weight part) | 5.61 | 5.51 | 5.70 |
| ZrO 2 | (weight part) | 5.80 | 5.81 | 4.65 |
| Nb 2O 5 | (weight part) | 10.70 | 9.85 | 7.58 |
| PbO | (weight part) | 5.85 | 6.50 | 9.23 |
| TiO 2 | (weight part) | 1.70 | 1.65 | 2.00 |
| ZnO | (weight part) | 1.70 | 1.75 | 2.50 |
| WO 3 | (weight part) | 1.62 | ||
| Gd 2O 3 | (weight part) | 7.56 | ||
| Add up to | (weight part) | 99.92 | 100 | 100 |
| Glass melting temperature (℃) | 1360 | 1360 | 1360 | |
| Charge temperature (℃) | 1340 | 1340 | 1340 | |
| Tapping temperature (℃) | 1170 | 1170 | 1170 | |
| Annealing temperature (℃) | 630 | 630 | 630 | |
| nd | 1.8329 | 1.8340 | 1.8344 | |
| vd | 37.37 | 37.32 | 37.43 | |
The manufacturing process program of above-mentioned each example of the present invention conforms to substantially, just selects prescription system different.Above example is all in 300CC platinum crucible, molybdenum filament rod electric furnace heating melting.
To add behind the each component uniform mixing in the 300CC platinum crucible, in the melting of molybdenum filament rod electric furnace internal heating, 1360 ℃ of insulations of temperature 4-5 hour, reduce to then in 1170 ℃ of swages that pour into preheating, enter with nichrome wire heating anneal stove and anneal, 630 ℃ are incubated 4 hours, are cooled to 350 ℃ with 10 ℃/H and close electricity, by the time to taking out glass near room temperature.This trade mark can drop into 18 and be raised to 50 liter capacity platinum crucibles at present, at molybdenum bar heating electrosmelting, drops into and produces in batches.
Claims (3)
1. high-refractivity lanthanide optical glass LaSF
010, it is characterized in that the component of measuring by weight percentage is SiO
23-5.5%, B
2O
321-27%, La
2O
326-36%, Nb
2O
55-12%, ZrO
23-6.5%, Y
2O
35-6.5%, ZnO 1.5-4.0%, Ta
2O
50-5%, PbO 4.5-11%, TiO
21-2%, Gd
2O
30-9%, WO
30-2.5%.
2. a kind of high-refractivity lanthanide optical glass LaSF according to claim 1
010, it is characterized in that SiO wherein
23-5.5%, B
2O
321.5-26.5%, La
2O
326.5-36.0%, Nb
2O
55-10.5%, ZrO
23.5-6%, Y
2O
35.0-6.5%, ZnO 1.5-3.5%, Ta
2O
50-1%, WO
31.5-2.5%, Gd
2O
35-8.5%, PbO 6.5-10%, TiO
21-2%.
3. high-refractivity lanthanide optical glass LaSF as claimed in claim 1
010Production technique, it is characterized in that: will add behind the each component uniform mixing in the 300CC platinum crucible, in the melting of molybdenum filament rod electric furnace internal heating, 1360 ℃ of insulations of temperature 4-5 hour, reduce to then in 1170 ℃ of swages that pour into preheating, enter with nichrome wire heating anneal stove and anneal, 630 ℃ of insulations 4 hours, be cooled to 350 ℃ with 10 ℃/H and close electricity, by the time to taking out glass near room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03115977XA CN100366559C (en) | 2003-03-24 | 2003-03-24 | High refractivity lanthanum optical glass LaSF010 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03115977XA CN100366559C (en) | 2003-03-24 | 2003-03-24 | High refractivity lanthanum optical glass LaSF010 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1532161A CN1532161A (en) | 2004-09-29 |
| CN100366559C true CN100366559C (en) | 2008-02-06 |
Family
ID=34284525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03115977XA Expired - Fee Related CN100366559C (en) | 2003-03-24 | 2003-03-24 | High refractivity lanthanum optical glass LaSF010 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100366559C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5594807B2 (en) * | 2007-09-25 | 2014-09-24 | 株式会社オハラ | Optical glass |
| CN102401910A (en) * | 2010-09-17 | 2012-04-04 | 晶炼科技股份有限公司 | Method for preparing optical coating material and optical coating material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565345A (en) * | 1979-06-28 | 1981-01-20 | Nippon Kogaku Kk <Nikon> | Optical glass |
| US4439531A (en) * | 1981-07-30 | 1984-03-27 | Schott Glaswerke | CdO-ThO2 -Free, highly refractive optical glass |
| US4472511A (en) * | 1981-09-25 | 1984-09-18 | Schott Glaswerke | Highly refractive, ThO2 -free optical glasses having refractive indices of 1.86-1.94 and Abbe-index numbers greater than or equal to 30 |
| JPS6046948A (en) * | 1983-08-25 | 1985-03-14 | Nippon Kogaku Kk <Nikon> | High refractive index low dispersion optical glass |
| CN1244851A (en) * | 1997-01-29 | 2000-02-16 | 康宁股份有限公司 | Glasses with very high refractive index |
| CN1377847A (en) * | 2001-03-27 | 2002-11-06 | 保谷株式会社 | Optical glass and optical part |
-
2003
- 2003-03-24 CN CNB03115977XA patent/CN100366559C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565345A (en) * | 1979-06-28 | 1981-01-20 | Nippon Kogaku Kk <Nikon> | Optical glass |
| US4439531A (en) * | 1981-07-30 | 1984-03-27 | Schott Glaswerke | CdO-ThO2 -Free, highly refractive optical glass |
| US4472511A (en) * | 1981-09-25 | 1984-09-18 | Schott Glaswerke | Highly refractive, ThO2 -free optical glasses having refractive indices of 1.86-1.94 and Abbe-index numbers greater than or equal to 30 |
| JPS6046948A (en) * | 1983-08-25 | 1985-03-14 | Nippon Kogaku Kk <Nikon> | High refractive index low dispersion optical glass |
| CN1244851A (en) * | 1997-01-29 | 2000-02-16 | 康宁股份有限公司 | Glasses with very high refractive index |
| CN1377847A (en) * | 2001-03-27 | 2002-11-06 | 保谷株式会社 | Optical glass and optical part |
Non-Patent Citations (2)
| Title |
|---|
| 稀土光学玻璃的研究和探讨. 郑国培.玻璃与搪瓷，第3期. 1973 * |
| 镧玻璃的化学稳定性. 高熙英.吉林大学自然科学学报，第4期. 1995 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1532161A (en) | 2004-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: No. 720, Huan Cheng Road, Shanghai, Jiading District Patentee after: Xinhu Glass Co., Ltd., Shanghai Address before: No. 720, Huan Cheng Road, Shanghai, Jiading District Patentee before: Xinhu Glass Works Shanghai |
|
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI XINHU GLASS CO., LTD. Free format text: FORMER NAME: SHANGHAI XINHU GLASS FACTORY |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Danyang Hongye Electronics Co., Ltd. Assignor: Xinhu Glass Co., Ltd., Shanghai Contract fulfillment period: 2009.7.15 to 2015.7.14 contract change Contract record no.: 2009310000190 Denomination of invention: High refractive index lanthanide optical glass LaSF010 Granted publication date: 20080206 License type: Exclusive license Record date: 2009.9.4 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.15 TO 2015.7.14; CHANGE OF CONTRACT Name of requester: DANYANG HONGYE ELECTRONICS CO., LTD. Effective date: 20090904 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20120324 |