CN104341103A - Environment-friendly flint optical glass and optical element - Google Patents
Environment-friendly flint optical glass and optical element Download PDFInfo
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- CN104341103A CN104341103A CN201310311360.9A CN201310311360A CN104341103A CN 104341103 A CN104341103 A CN 104341103A CN 201310311360 A CN201310311360 A CN 201310311360A CN 104341103 A CN104341103 A CN 104341103A
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- 239000005304 optical glass Substances 0.000 title claims abstract description 40
- 230000003287 optical effect Effects 0.000 title claims abstract description 18
- 230000007613 environmental effect Effects 0.000 claims description 32
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 14
- 239000011521 glass Substances 0.000 abstract description 51
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003384 imaging method Methods 0.000 abstract description 3
- 238000002834 transmittance Methods 0.000 abstract description 3
- 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
- 229910000272 alkali metal oxide Inorganic materials 0.000 abstract 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 abstract 1
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 230000005693 optoelectronics Effects 0.000 abstract 1
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-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
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000004031 devitrification Methods 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000003467 diminishing effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000005308 flint glass Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 208000007578 phototoxic dermatitis Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010186 staining 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
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
-
- 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
-
- 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
-
- 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
- C03C3/087—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 containing calcium oxide, e.g. common sheet or container glass
-
- 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
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 invention provides an environment-friendly flint optical glass with a refractive index of 1.55 to 1.85 and abbe number of 23 to 45. The optical glass has an ideal bubble quality and chroma quality. The transmittance of a wave, which is triggered by irradiating UV on the environment-friendly optical glass and has a wave length of 450 nm, is less than 2.1%. The optical glass is composed of the following components in percentage by weight: 20 to 70% of SiO2, 5 to 35% of TiO2, 0 to 20% of RO, 5 to 25% of R2O, wherein the RO represents the total amount of MgO, BaO, CaO, and SrO, and the R2O represents the total amount of K2O, Na2O, and Li2O. The provided optical glass has a qualified optical performance, has an ideal bubble quality and chroma quality, and moreover has an easier glass production difficulty and raw material production difficulty. The provided optical glass can meet the requirements of high-class optoelectronic digital products and high definition (HD) imaging equipment.
Description
Technical field
The present invention relates to glass technology field, particularly relate to environmental protection flint optical glass and optical element.
Background technology
Environmental protection flint optical glass is widely used in glass material used for optical elements needed for digital camera, slr camera, digital camera, smart mobile phone contour shelves photovoltaic.Digitizing and high Qinghua of high-grade photovoltaic need this P series glass to have higher bubble quality and chroma quality simultaneously.The opticglass formula of existing disclosed the type is by introducing Sb
2o
3, impel bubble to overflow, improve bubble quality, but glass chroma quality be undesirable; Opticglass formula is by removing Sb
2o
3, bubble quality is undesirable.
Summary of the invention
Technical problem to be solved by this invention is to provide the environmental protection flint optical glass that a kind of specific refractory power (nd) is 1.55 ~ 1.85, Abbe number (vd) is 23 ~ 45, and this opticglass has desirable bubble quality and chroma quality.
The technical scheme that technical solution problem of the present invention adopts is: environmental protection flint optical glass, and its specific refractory power is 1.55 ~ 1.85, and Abbe number is 23 ~ 45, is less than 2.1% in the transmitance reducing amount of the wavelength containing the 450nm caused after ultraviolet light irradiation.
Further, it forms content by weight percentage and comprises: the SiO of 20 ~ 70%
2, 5 ~ 35% TiO
2, the RO of 0 ~ 20%, the R of 5 ~ 25%
2o, described RO are the total content of MgO, BaO, CaO and SrO, described R
2o is K
2o, Na
2o and Li
2the total content of O.
Environmental protection flint optical glass, it forms content by weight percentage and comprises: the SiO of 20 ~ 70%
2, 5 ~ 35% TiO
2, the RO of 0 ~ 20%, the R of 5 ~ 25%
2o, described RO are the total content of MgO, BaO, CaO and SrO, described R
2o is K
2o, Na
2o and Li
2the total content of O.
Further, it forms content by weight percentage and also comprises: the Nb of 0 ~ 20%
2o
5, 0 ~ 1% ZrO
2, the F of 0 ~ 10%, the B of 0 ~ 2%
2o
3, 0 ~ 6% Al
2o
3, 0 ~ 0.1% Sb
2o
3.
Further, it forms content by weight percentage and is: the SiO of 20 ~ 70%
2, 5 ~ 35% TiO
2, the RO of 0 ~ 20%, the R of 5 ~ 25%
2o, 0 ~ 20% Nb
2o
5, 0 ~ 1% ZrO
2, the F of 0 ~ 10%, the B of 0 ~ 2%
2o
3, 0 ~ 6% Al
2o
3, 0 ~ 0.1% Sb
2o
3, described RO is the total content of MgO, BaO, CaO and SrO, described R
2o is K
2o, Na
2o and Li
2the total content of O.
Further, it forms content by weight percentage and comprises: the BaO of 0 ~ 15%, the MgO of 0 ~ 2%, 0 ~ 2% SrO, the CaO of 0 ~ 2%, the K of 3 ~ 12%
2o, 5 ~ 12% Na
2o, 0 ~ 0.5% Li
2o.
Further, containing 30 ~ 55% SiO
2.
Further, containing 20 ~ 27% TiO
2.
Further, containing the RO of 11 ~ 18%, described RO is the total content of MgO, BaO, CaO and SrO.
Further, containing 11 ~ 18% R
2o, described R
2o is K
2o, Na
2o and Li
2the total content of O.
Further, containing the BaO of 11 ~ 13%, MgO, the SrO of 0.3 ~ 0.5%, the CaO of 0.3 ~ 0.5% of 0.3 ~ 0.5%.
Further, containing 8 ~ 12% K
2o, 5 ~ 8% Na
2o, 0.3 ~ 0.5% Li
2o.
Further, containing 11 ~ 17% Nb
2o
5.
Further, containing 0.5 ~ 0.6% ZrO
2.
Further, containing 5 ~ 9% F.
Further, containing 0.5 ~ 1% B
2o
3.
Further, containing 3 ~ 6% Al
2o
3.
Further, containing 0.001 ~ 0.08% Sb
2o
3.
Further, the λ of described opticglass
80< 440nm, λ
70< 410nm.
Optical precast product, is made up of above-mentioned environmental protection flint optical glass.
Optical element, is made up of above-mentioned environmental protection flint optical glass.
The invention has the beneficial effects as follows: the present invention is by introducing Sb in right amount
2o
3, be conducive to the elimination of bubble, and be of value to the reduction of glass equipment, technology difficulty; The present invention is also by controlling the Fe in glass
2o
3foreign matter content, is conducive to improving glass colourity.The specific refractory power (nd) of opticglass of the present invention is 1.55 ~ 1.85, and Abbe number (vd) is 23 ~ 45, and bubble quality meets A00, and chroma quality meets λ
80< 440nm or λ
70< 415nm, the transmitance reducing amount of the 450nm wavelength caused after sunlight etc. contains ultraviolet light irradiation is less than 2.1%.Opticglass of the present invention not only meets optical property, and has desirable bubble, chroma quality, has more lower glass production difficulty and raw material production difficulty.Opticglass of the present invention meets the needs of high-grade photoelectric figure product and high definition imaging device.
Embodiment
To describe each component of opticglass of the present invention below, except as otherwise noted, the ratio of each component concentration represents with % by weight.
Sb
2o
3there is the effect eliminating environmental protection flint and environmental protection dense flint glass bubble, but also can reduce glass chroma quality simultaneously.Increase the Sb in glass formula
2o
3content, glass chroma quality can reduce; Reduce the Sb in glass formula
2o
3content, glass chroma quality can improve.For ensureing glass blister and colourity simultaneously, need to control to introduce Sb
2o
3content.Research finds, on a small quantity containing Sb
2o
3with not containing Sb
2o
3relatively, glass transmitance is unchanged, therefore, and Sb of the present invention
2o
3content 0.1% is preferably the upper limit, and more preferably 0.08% is the upper limit, and most preferably 0.05% is the upper limit; Preferably 0 is lower limit, and more preferably 0.001% is lower limit, and most preferably 0.005% is lower limit.Sb
2o
3higher limit with TiO
2and Fe
2o
3the increase of content and diminishing, Sb
2o
3lower value with TiO
2and Fe
2o
3diminishing of content and become large.
Fe
2o
3be the impurity component introduced by glass raw materials, be the reason that glass chroma quality reduces, increase the Fe in glass
2o
3foreign matter content, glass chroma quality can reduce.Therefore the Fe in glass raw materials
2o
3impurity component needs to control, by the Fe in fixing quantity glass
2o
3impurity, can make glass chroma quality improve.Fe
2o
3content is preferably greater than zero for lower limit, and more preferably 4PPm is lower limit, and most preferably 6PPm is lower limit; Fe
2o
3the preferred 40PPm of content is the upper limit, and more preferably 30PPm is the upper limit, and most preferably 25PPm is the upper limit.Fe in raw material is carried out before batching
2o
3quantitative test and Fe
2o
3composition introduction volume calculates.Fe
2o
3higher limit with TiO
2and Sb
2o
3the increase of content and diminishing, Fe
2o
3lower value with TiO
2and Sb
2o
3diminishing of content and become large.
SiO
2being important glass-former oxide compound, forming irregular contiguous network with silicon-oxy tetrahedron structural unit, is the skeleton forming opticglass.SiO
2there is the effect maintaining glass devitrification resistance.SiO
2content more than 70% time, the meltability of opticglass reduces, and softening temperature raises.Therefore, SiO
2content be defined as 20 ~ 70%, be preferably 30 ~ 55%.
TiO
2specific refractory power and the chemical stability of opticglass can be improved, and there is the raising chemical resistant properties of glass and the effect of devitrification resistance.TiO in glass
2content is high, and glass chroma quality is low, by control Sb
2o
3and TiO
2content, can make glass chroma quality improve.Therefore, TiO
2content be defined as 5 ~ 35%, be preferably 20 ~ 27%.
BaO can increase the specific refractory power of opticglass, gloss and chemical stability, and the content of BaO of the present invention is defined as 0 ~ 15%, is preferably 11 ~ 13%.
MgO can increase chemical stability and the physical strength of opticglass, reduces the density of opticglass, and MgO fusing is more difficult, and content is too much unsuitable, and therefore its content is 0 ~ 2%, is preferably 0.3 ~ 0.5%.
SrO has the effect of the specific refractory power increasing opticglass, and can improve the devitrification resistance of glass.The content of SrO is 0 ~ 2%, is preferably 0.3 ~ 0.5%.
CaO can increase chemical stability and the physical strength of opticglass, reduces the density of opticglass.CaO fusing is more difficult, and content is too much unsuitable, and therefore its content is 0 ~ 2%, is preferably 0.3 ~ 0.5%.
RO content in the present invention is 0 ~ 20%, and be preferably 11 ~ 18%, wherein, RO is the total content of MgO, BaO, CaO and SrO.
F(F is fluorine, conventional K
2siF
6introduce), can increase melting effect, reduce glass refraction and increase Abbe number, be conducive to eliminating glass blister, but also can reduce the chemical stability of glass simultaneously, therefore, its content is 0 ~ 10%, is preferably 5 ~ 9%.
Al
2o
3glass devitrification, chemical stability can be improved, be conducive to the formation of the special photosensitiveness of flint optical glass, Al
2o
3temperature of fusion is high, and content is greater than can cause melting difficulty, increases production difficulty.Al
2o
3content is 0 ~ 6%, is preferably 3 ~ 6%.
Na
2o is glass fusing assistant, can reduce the transition temperature of glass.Na
2the content of O is 5 ~ 12%, is preferably 5 ~ 8%.
K
2o can reduce the viscosity of glass, makes glass be easy to melt, and can reduce the crystallization tendency of glass, increases transparency and the gloss of glass.K
2the content of O is 3 ~ 12%, is preferably 8 ~ 12%.
Li
2o can make glass be easy to melt, and can reduce the crystallization tendency of glass, reduces glass Tg temperature.Li
2the content of O is 0 ~ 0.5%, is preferably 0.3 ~ 0.5%.
R in the present invention
2the content of O is defined as 5 ~ 25%, is preferably 11 ~ 18%, wherein, and R
2o is K
2o, Na
2o and Li
2the total content of O.
Nb
2o
5the optical constant of glass can be improved, and there is the improvement crystallization property of glass and the effect of devitrification resistance, Nb
2o
5shortwave transmitance also can be caused to decline.Nb
2o
5content be 0 ~ 20%, be preferably 11 ~ 17%.
B
2o
3can change glass melting effect, but chemical stability can be deteriorated with the increase of content.B
2o
3content is 0 ~ 2%, is preferably 0.5 ~ 1%.
ZrO
2can improve increased devitrification resistance and the chemical stability of glass, and can improve glass refraction and reduce Abbe number, its content is 0 ~ 1%, is preferably 0.5 ~ 0.6%.
The present invention also provides a kind of optical precast product of being formed by above-mentioned opticglass and optical element.Optical precast product of the present invention and optical element are formed by above-mentioned opticglass, and therefore, this optical precast product and optical element have the various characteristics of above-mentioned opticglass.
For the preparation method of opticglass provided by the invention, be not particularly limited, be prepared according to method well known to those skilled in the art.Raw material carried out melt, clarify, homogenizing, cooling, the metal pattern injecting preheating is shaping, and annealing obtains opticglass.
For further illustrating technical scheme of the present invention, below in conjunction with specific embodiment, the preferred embodiment of the invention is described, but is to be understood that, these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.The opticglass component that embodiment 1 ~ 8 provides and corresponding performance as shown in table 1.
Table 1
Above-mentioned performance perameter is tested as follows.
Wherein specific refractory power and Abbe number are tested according to " GB/T7962.1-1987 colouless optical glass testing method specific refractory power and abbe number ".
Transition temperature (Tg) is tested according to " GB/T7962.16-1987 colouless optical glass testing method linear expansivity, transition temperature and sag temperature ", that is: sample is in certain temperature range, temperature often raises 1 DEG C, on the expansion curve of sample, low-temperature region and high-temperature area straight line portion are extended and intersects, the temperature corresponding to its intersection point.
Glass is made into the sample of 10mm ± 0.1mm thickness, tested glass reaches the wavelength X corresponding to 80% or 70% in transmittance
80or λ
70.When nd>=1.80, because the reflection loss of glass is comparatively large, degree of staining glass transmittance reaches the wavelength X corresponding to 70%
70replace λ
80.
The schlieren instrument of striped pointolite and lens composition, from the direction of the striped the most easily seen, makes comparisons with standard test specimen and checks, detect striped under prescribed conditions.Bubble more than A0 level, striped is without macroscopic striped.
The testing method that glass blister quality specifies by GB/T7962.8-1987 is measured.
Sunlight etc. containing ultraviolet through time irradiate after the transmitance reducing amount testing method that causes be measure according to Japanese Optical Glass TIA standard JOGIS04-1994 regulation.
As can be seen from above-described embodiment, opticglass provided by the invention and optical element be not containing non-environmental protection component, and specific refractory power (nd) is 1.55 ~ 1.85, and Abbe number (vd) is 23 ~ 45, chroma quality λ
80< 440nm, λ
70< 410nm, the reducing amount of the transmitance of the 450nm wavelength caused after sunlight etc. irradiates for a long time containing ultraviolet is less than 2.1%.Meet the needs of high-grade photovoltaic digitizing and high definition imaging device etc.
Claims (21)
1. environmental protection flint optical glass, is characterized in that, its specific refractory power is 1.55 ~ 1.85, and Abbe number is 23 ~ 45, is less than 2.1% in the transmitance reducing amount of the wavelength containing the 450nm caused after ultraviolet light irradiation.
2. environmental protection flint optical glass as claimed in claim 1, it is characterized in that, it forms content by weight percentage and comprises: the SiO of 20 ~ 70%
2, 5 ~ 35% TiO
2, the RO of 0 ~ 20%, the R of 5 ~ 25%
2o, described RO are the total content of MgO, BaO, CaO and SrO, described R
2o is K
2o, Na
2o and Li
2the total content of O.
3. environmental protection flint optical glass, is characterized in that, it forms content by weight percentage and comprises: the SiO of 20 ~ 70%
2, 5 ~ 35% TiO
2, the RO of 0 ~ 20%, the R of 5 ~ 25%
2o, described RO are the total content of MgO, BaO, CaO and SrO, described R
2o is K
2o, Na
2o and Li
2the total content of O.
4. the environmental protection flint optical glass as described in claim as arbitrary in claim 1-3, is characterized in that, it forms content by weight percentage and also comprises: the Nb of 0 ~ 20%
2o
5, 0 ~ 1% ZrO
2, the F of 0 ~ 10%, the B of 0 ~ 2%
2o
3, 0 ~ 6% Al
2o
3, 0 ~ 0.1% Sb
2o
3.
5. the environmental protection flint optical glass as described in claim as arbitrary in claim 1-3, is characterized in that, it forms content by weight percentage and is: the SiO of 20 ~ 70%
2, 5 ~ 35% TiO
2, the RO of 0 ~ 20%, the R of 5 ~ 25%
2o, 0 ~ 20% Nb
2o
5, 0 ~ 1% ZrO
2, the F of 0 ~ 10%, the B of 0 ~ 2%
2o
3, 0 ~ 6% Al
2o
3, 0 ~ 0.1% Sb
2o
3, described RO is the total content of MgO, BaO, CaO and SrO, described R
2o is K
2o, Na
2o and Li
2the total content of O.
6. the environmental protection flint optical glass as described in claim as arbitrary in claim 1-3, is characterized in that, it forms content by weight percentage and comprises: the BaO of 0 ~ 15%, the MgO of 0 ~ 2%, 0 ~ 2% SrO, the CaO of 0 ~ 2%, the K of 3 ~ 12%
2o, 5 ~ 12% Na
2o, 0 ~ 0.5% Li
2o.
7. the environmental protection flint optical glass as described in claim as arbitrary in claim 1-3, is characterized in that, containing the SiO of 30 ~ 55%
2.
8. the environmental protection flint optical glass as described in claim as arbitrary in claim 1-3, is characterized in that, containing the TiO of 20 ~ 27%
2.
9. the environmental protection flint optical glass as described in claim as arbitrary in claim 1-3, is characterized in that, containing the RO of 11 ~ 18%, described RO is the total content of MgO, BaO, CaO and SrO.
10. the environmental protection flint optical glass as described in claim as arbitrary in claim 1-3, is characterized in that, containing the R of 11 ~ 18%
2o, described R
2o is K
2o, Na
2o and Li
2the total content of O.
Environmental protection flint optical glass as described in 11. claims as arbitrary in claim 1-3, is characterized in that, the BaO containing 11 ~ 13%, the MgO of 0.3 ~ 0.5%, the SrO of 0.3 ~ 0.5%, the CaO of 0.3 ~ 0.5%.
Environmental protection flint optical glass as described in 12. claims as arbitrary in claim 1-3, is characterized in that, containing the K of 8 ~ 12%
2o, 5 ~ 8% Na
2o, 0.3 ~ 0.5% Li
2o.
Environmental protection flint optical glass as described in 13. claims as arbitrary in claim 1-3, is characterized in that, containing the Nb of 11 ~ 17%
2o
5.
Environmental protection flint optical glass as described in 14. claims as arbitrary in claim 1-3, is characterized in that, containing the ZrO of 0.5 ~ 0.6%
2.
Environmental protection flint optical glass as described in 15. claims as arbitrary in claim 1-3, is characterized in that, containing the F of 5 ~ 9%.
Environmental protection flint optical glass as described in 16. claims as arbitrary in claim 1-3, is characterized in that, containing the B of 0.5 ~ 1%
2o
3.
Environmental protection flint optical glass as described in 17. claims as arbitrary in claim 1-3, is characterized in that, containing the Al of 3 ~ 6%
2o
3.
Environmental protection flint optical glass as described in 18. claims as arbitrary in claim 1-3, is characterized in that, containing the Sb of 0.001 ~ 0.08%
2o
3.
Environmental protection flint optical glass as described in 19. claims as arbitrary in claim 1-3, is characterized in that, the λ of described opticglass
80< 440nm, λ
70< 410nm.
20. optical precast products, is characterized in that, are made up of the environmental protection flint optical glass described in claim arbitrary in claim 1 ~ 19.
21. optical elements, is characterized in that, are made up of the environmental protection flint optical glass described in claim arbitrary in claim 1 ~ 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311360.9A CN104341103A (en) | 2013-07-23 | 2013-07-23 | Environment-friendly flint optical glass and optical element |
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| CN104944768A (en) * | 2015-06-12 | 2015-09-30 | 成都光明光电股份有限公司 | Environment-friendly optical glass, fabricated glass part, optical element and optical instrument |
| CN107522397A (en) * | 2017-08-07 | 2017-12-29 | 湖北戈碧迦光电科技股份有限公司 | A kind of environmentally friendly flint class optical glass and its manufacture method |
| CN109867442A (en) * | 2019-04-24 | 2019-06-11 | 成都光明光电股份有限公司 | Optical glass |
| CN109896740A (en) * | 2019-04-24 | 2019-06-18 | 成都光明光电股份有限公司 | Optical glass and optical element |
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| CN110563328A (en) * | 2019-10-11 | 2019-12-13 | 湖北戈碧迦光电科技股份有限公司 | Heavy flint glass and preparation method and application thereof |
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| CN104944768A (en) * | 2015-06-12 | 2015-09-30 | 成都光明光电股份有限公司 | Environment-friendly optical glass, fabricated glass part, optical element and optical instrument |
| CN107522397B (en) * | 2017-08-07 | 2020-04-28 | 湖北戈碧迦光电科技股份有限公司 | Environment-friendly flint optical glass and manufacturing method thereof |
| CN107522397A (en) * | 2017-08-07 | 2017-12-29 | 湖北戈碧迦光电科技股份有限公司 | A kind of environmentally friendly flint class optical glass and its manufacture method |
| CN109867442A (en) * | 2019-04-24 | 2019-06-11 | 成都光明光电股份有限公司 | Optical glass |
| CN109896740A (en) * | 2019-04-24 | 2019-06-18 | 成都光明光电股份有限公司 | Optical glass and optical element |
| CN109912195A (en) * | 2019-04-24 | 2019-06-21 | 成都光明光电股份有限公司 | Optical glass, gas preform, optical element and optical instrument |
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| CN109867442B (en) * | 2019-04-24 | 2021-11-26 | 成都光明光电股份有限公司 | Optical glass |
| CN110240400A (en) * | 2019-07-22 | 2019-09-17 | 成都光明光电股份有限公司 | Optical glass and optical element |
| CN110255893B (en) * | 2019-07-22 | 2021-10-26 | 成都光明光电股份有限公司 | Optical glass, glass preform, optical element and optical instrument |
| CN110240400B (en) * | 2019-07-22 | 2021-10-26 | 成都光明光电股份有限公司 | Optical glass and optical element |
| CN110342814B (en) * | 2019-07-22 | 2021-10-26 | 成都光明光电股份有限公司 | High-refraction high-dispersion optical glass |
| CN110342814A (en) * | 2019-07-22 | 2019-10-18 | 成都光明光电股份有限公司 | High-refractive and high-dispersive optical glass |
| CN110316958A (en) * | 2019-07-22 | 2019-10-11 | 成都光明光电股份有限公司 | Optical glass and optical element |
| CN110316958B (en) * | 2019-07-22 | 2022-02-11 | 成都光明光电股份有限公司 | Optical glass and optical element |
| CN110316960A (en) * | 2019-07-22 | 2019-10-11 | 成都光明光电股份有限公司 | Optical glass, gas preform, optical element and optical instrument |
| CN110255893A (en) * | 2019-07-22 | 2019-09-20 | 成都光明光电股份有限公司 | Optical glass, gas preform, optical element and optical instrument |
| CN110563328A (en) * | 2019-10-11 | 2019-12-13 | 湖北戈碧迦光电科技股份有限公司 | Heavy flint glass and preparation method and application thereof |
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