WO2022052642A1 - Verre optique, préforme optique, élément optique et instrument optique - Google Patents

Verre optique, préforme optique, élément optique et instrument optique Download PDF

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Publication number
WO2022052642A1
WO2022052642A1 PCT/CN2021/107556 CN2021107556W WO2022052642A1 WO 2022052642 A1 WO2022052642 A1 WO 2022052642A1 CN 2021107556 W CN2021107556 W CN 2021107556W WO 2022052642 A1 WO2022052642 A1 WO 2022052642A1
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Prior art keywords
optical
glass
optical glass
present
content
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PCT/CN2021/107556
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English (en)
Chinese (zh)
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匡波
孙伟
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成都光明光电股份有限公司
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Priority to JP2023515261A priority Critical patent/JP2023540574A/ja
Publication of WO2022052642A1 publication Critical patent/WO2022052642A1/fr

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    • 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
    • C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
    • C03C3/247—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron containing fluorine and phosphorus
    • 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
    • C03C4/00—Compositions for glass with special properties
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements

Definitions

  • the present invention relates to an optical glass, in particular to an optical glass, an optical preform, an optical element and an optical instrument made of the optical glass.
  • Fluorophosphate optical glass is a low refractive index and low dispersion optical glass with special relative partial dispersion and negative temperature coefficient of refractive index, which can effectively eliminate the secondary spectrum and improve the imaging quality of optical lenses. With low softening temperature, it can be made into aspherical lens by one or two pressing. It is an excellent optical material for producing advanced digital optical terminal products and high-end instruments. With the development of the miniaturization and high performance of imaging optical products , the demand for fluorophosphate optical glass in optical design continues to increase. Fluorophosphate glass products in the prior art have poor weather resistance.
  • the technical problem to be solved by the present invention is to provide an optical glass with a temperature coefficient of refractive index (60-80°C) below -5.0 ⁇ 10 -6 /°C and excellent weather resistance stability.
  • the cationic component is expressed in weight percentage, containing: P 5+ : 5.0-20.0%; Ba 2+ : 56.0-73.0%; Al 3+ : 7.0-18.0%; Sr 2+ : 0.5-12.0 %; Ca 2+ : 0 ⁇ 5.0%; wherein, the total content of Ca 2+ +Ba 2+ +Al 3+ is 69.0 ⁇ 85.0%,
  • the anion component is expressed in weight percentage, and contains: F - : 35.0-60.0%; O 2- : 40.0-65.0%.
  • the cationic component further contains: Mg 2+ : 0-3.0%; and/or Zn 2+ : 0-3.0%; and/or Ln 3 + : 0.1 to 8.0%; and/or Rn + : 0 to 5.0%; and/or Nb 5+ : 0 to 3.0%; and/or W 6+ : 0 to 3.0%; and/or Ti 4+ : 0 ⁇ 3.0%; and/or Zr 4+ : 0 ⁇ 3.0%; and/or Si 4+ : 0 ⁇ 3.0%; and/or B 3+ : 0 ⁇ 3.0%, wherein Rn + is Li + , Na + , One or more of K + , Ln 3+ is one or more of La 3+ , Gd 3+ , Y 3+ and Yb 3+ .
  • the cationic components are P 5+ : 5.0-20.0%; Ba 2+ : 56.0-73.0%; Al 3+ : 7.0-18.0%; Sr 2+ : 0.5-12.0% ; Mg 2+ : 0-3.0%; Ca 2+ : 0-5.0%; Zn 2+ : 0-3.0%; Si 4+ : 0-3.0%; B 3+ : 0-3.0%; W 6+ : 0 ⁇ 3.0%; Zr 4+ : 0 ⁇ 3.0%; Ti 4+ : 0 ⁇ 3.0%; Ln 3+ : 0.1 ⁇ 8.0%; Rn + : 0 ⁇ 5.0%; Nb 5+ : 0 ⁇ 3.0% composition, The total content of Ca 2+ +Ba 2+ +Al 3+ is 69.0-85.0%, Rn + is one or more of Li + , Na + , K + , Ln 3+ is La 3+ , Gd 3+ One or more of , Y 3+.
  • the anion component is expressed in weight percentage, and consists of F ⁇ : 35.0-60.0%; O 2 ⁇ : 40.0-65.0%.
  • optical glass according to any one of (1) to (3), wherein the optical glass has a refractive index of 1.50 to 1.58, preferably a refractive index of 1.53 to 1.57, and an Abbe number of 70 to 80, preferably Abbe The number is 72 to 78.
  • the optical element is made of the optical glass described in any one of (1) to (13), or made of the glass preform described in (14).
  • the beneficial effects of the present invention are: through reasonable component design, the temperature coefficient of refractive index (60-80°C) of the fluorophosphate optical glass of the present invention is below -5.0 ⁇ 10 -6 /°C, and the weather resistance stability is excellent, Meet the latest application requirements in the field of optoelectronics.
  • the fluorophosphate optical glass of the present invention is not limited to the following embodiments, and can be implemented with appropriate modifications within the scope of the object of the present invention.
  • the description of overlapping parts may be appropriately omitted, the gist of the invention is not limited by this.
  • the fluorophosphate optical glass of the present invention may be simply referred to as optical glass or glass.
  • each component is expressed in ionic form, and its content is expressed as the percentage (wt%) of the cation in the total weight of all cationic components, unless otherwise specified, the anion content
  • the component content is expressed as the percentage (wt%) of the anion to the total weight of all anionic components.
  • the numerical ranges recited herein include upper and lower limits, “above” and “below” include the endpoints, as well as all integers and fractions included within the range, but not limited to the recitation of the defined range specific value.
  • “and/or” is inclusive, eg, "A and/or B” and means only A, or only B, or both.
  • the ion valence of each component described below is a representative value used for convenience, and is not different from other ion valences.
  • the ionic valence of each component in the optical glass may have a possibility other than the representative value.
  • P usually exists in glass in a state of ion valence of +5, so in the present invention, "P 5+ " is used as a representative value, but there is a possibility of existing in other ion valence states, which is also in this invention. within the scope of protection of the invention.
  • P 5+ is the main component of the optical glass of the present invention, and has the functions of inhibiting the devitrification of the glass, increasing the viscosity of the glass, inhibiting the decrease of the Abbe number, and improving the weather resistance of the glass, but when its content is less than 5.0%, the glass's The stability is reduced and the devitrification resistance is reduced; and when the content exceeds 20.0%, the thermal expansion performance of the glass is deteriorated, and the refractive index reduction cannot meet the optical design requirements of the present invention. Therefore, in the present invention, the content of P 5+ is 5.0-20.0%, preferably 8.0-20.0%, more preferably 8.0-18.0%.
  • Al 3+ can participate in the glass network structure, improve the thermal stability and moisture resistance stability of the glass, and proper addition can prevent the glass from separating.
  • the Al 3+ content is 7.0-18.0%, preferably 8.5-16.0%, more preferably 9-16.0%, and the bubble degree of the glass reaches A 0 level or above.
  • Ba 2+ can improve the refractive index and devitrification resistance of glass and adjust the thermal expansion coefficient of glass.
  • the refractive index of the glass can be significantly increased, and the refractive index of the glass during use is not easily affected by temperature changes. Therefore, the lower limit of the content of Ba 2+ is 56.0% , the preferred lower limit is 58.0%, and the more preferred lower limit is 59.6%.
  • the upper limit of the content of Ba 2+ is 73.0%, preferably 72.0%, and more preferably 71.0%.
  • the content of Sr 2+ is 0.5 to 12.0%, preferably 1.0 to 12.0%, and more preferably 2.0 to 11.0%.
  • the content of Ca 2+ in the present invention is 0 to 5.0%, preferably the content of Ca 2+ is 0 to 3.0%.
  • the present invention introduces no more than 3.0% of Mg 2+ , and the control of Mg 2+ below 3.0% can make The glass structure is more stable, and the glass is not easy to generate mechanical stress during use, so the present invention contains 0-3.0% Mg 2+ , preferably 0-2.0% Mg 2+ , more preferably 0-1.2% Mg 2+ .
  • the optical glass glass network can be more stable, and the chemical stability can be improved and thermal stability is improved, and the ideal temperature coefficient of refractive index can be obtained, and the temperature coefficient of refractive index at 60 to 80 °C can reach -5.0 ⁇ 10 -6 / °C or less, more preferably (Ca 2+ +Ba 2+ )/(Sr 2 + +Mg 2+ ) in the range of 5.0 to 15.0, more preferably 6.0 to 12.0, can further ensure that the refractive index can be increased while obtaining a more negative temperature coefficient of refraction, thereby broadening the imaging field of view.
  • Al 3+ /Sr 2+ when Al 3+ /Sr 2+ is controlled between 1.0 and 5.0, the corrosion of the crucible by the molten glass can be reduced, the volatilization of F can also be suppressed to a certain extent, and the glass fringe can be improved.
  • Al 3+ /Sr 2+ when Al 3+ /Sr 2+ is less than 5.0, the thermal expansion coefficient of the glass increases and the glass stability deteriorates.
  • the range of Al 3+ /Sr 2+ is preferably 1.1 to 4.0, more preferably 1.1 to 2.5, and more preferably 1.1 ⁇ 2.0, glass stability is better, and abrasion degree is more ideal.
  • the synergistic effect reaches the best , can significantly improve the chemical stability and weathering stability of the glass, and when it exceeds 85.0%, the difficulty of glass melting increases significantly, the weathering stability becomes worse, the specific gravity of the glass also increases, and the processability becomes worse, preferably Ca 2+ +Ba 2+ +
  • the total content of Al 3+ is 70.0 to 81.0%, more preferably 70.0 to 80.0%.
  • the devitrification resistance of the glass can be improved, further, preferably (Ca 2+ +Ba 2+ +Al 3+ )/Sr 2+ is in the range of 7.0-18.0, more preferably in the range of 9.0-15.0, the hardness of the glass is moderately increased, the grinding performance of the glass is good, and it is beneficial to improve the optical grinding quality of the glass. Rate.
  • Rn + is used to represent alkali metal ions, which are one or more of Li + , Na + , K + .
  • Rn + has the functions of lowering the transition temperature and adjusting the process performance in the present invention, but its content exceeds 5.0 %, the thermal expansion coefficient of the glass is significantly increased, the chemical stability and processing performance of the glass are reduced, and the volatilization of the glass liquid is increased, which is not conducive to the elimination of streaks.
  • Ln 3+ is a component that increases the refractive index of glass and improves the chemical stability of glass, wherein Ln 3+ is one or more of La 3+ , Gd 3+ , Y 3+ and Yb 3+ , and a small amount of Ln is appropriately contained 3+ has a very good effect on the control of synergistic (Ca 2+ +Ba 2+ )/(Sr 2+ +Mg 2+ ) to achieve the desired invention effect of the present invention, so the lower limit of Ln 3+ is designed to be 0.1%; Controlling the content of Ln 3+ to be less than 8.0% can improve the devitrification resistance of the glass, prevent the optical properties from failing to meet the design requirements, and reduce the density of the glass.
  • the upper limit of the Ln 3+ content range is 8.0%, preferably 5.0%, and more preferably 3.0%. Since Gd 3+ and/or Y 3+ show excellent synergy in some embodiments, proper addition is beneficial to improve the chemical stability of the glass while increasing the refractive index, so Ln 3+ is preferably Gd 3+ and /or Y 3+ , the content is controlled at 0.1-5.0%, preferably 0.1-4.5%, more preferably 0.5-4.0%.
  • Si 4+ can improve the stability of the glass and improve the workability of the glass.
  • the content of Si 4+ exceeds 3%, the melting performance of the glass decreases. Therefore, the content of Si 4+ in the optical glass of the present invention is 0-3.0%, preferably 0-3.0%. 1.0%, more preferably not containing Si 4+ .
  • B 3+ can improve the optical constant of glass, but when the content exceeds 3%, the chemical stability of the glass deteriorates. Therefore, the content of B 3+ is limited to 3.0% or less, preferably 1.0% or less, and more preferably no B 3+ is contained.
  • the upper limit of the content of W 6+ in the present invention is 3.0%, preferably 1.0% or less, and more preferably no W 6+ is contained.
  • An appropriate amount of Zr 4+ can suppress the streaks formed by volatilization in the glass. If the content exceeds 3.0%, the optical glass becomes infusible and the optical constant becomes difficult to control. Therefore, its content is limited to 3.0% or less, preferably 3.0% or less. 1.0% or less, and it is more preferable not to contain Zr 4+ .
  • Zn 2+ can reduce the glass transition temperature and improve the moldability of the glass, but when the content of Zn 2+ is higher than 3.0%, the abnormal dispersion performance of the glass is deteriorated, and the glass is easily devitrified because the viscosity is too low. Therefore, in the optical glass of the present invention, the content of Zn 2+ is 0 to 3.0%, preferably 0 to 1.0%. In addition, Zn 2+ will make the glass smaller, and the abrasion degree will increase. Even if the ratio of Al 3+ /Sr 2+ is adjusted within the preferred range, Zn 2+ will still have an adverse effect on the abrasion performance, so it is more preferable not to contain Zn 2+ .
  • Ti 4+ can increase the refractive index of the glass, but at the same time has an adverse effect on the low dispersion and transmittance of the glass. Therefore, the content of Ti 4+ is limited to 0 to 3.0%, more preferably 0 to 1.0%, and further preferably not to contain Ti 4+ .
  • Nb 5+ can adjust the optical constant of the glass and improve the stability and anti-devitrification performance of the glass.
  • the content of Nb 5+ is 0 to 3.0%, preferably 0 to 1.0%, and more preferably no Nb 5+ is contained.
  • F - can improve the Abbe number and devitrification resistance of the glass, so the lower limit of F - in the present invention is 40.0%, preferably 45.0%; when the F - content exceeds 60.0% In this case, the refractive index of the glass decreases, the high-temperature volatilization increases, the quality stability deteriorates, and the abrasion degree decreases. Therefore, in the present invention, the upper limit of the content is 60.0%, preferably 55.0%.
  • O 2- can significantly improve the glass-forming stability and devitrification resistance of glass, preferably the lower limit of O 2- content is 40.0%, more preferably the lower limit of O 2- content is 45.0%; but when the O 2- content exceeds 60.0%, the glass The temperature coefficient of refractive index increases, and the chemical stability and devitrification resistance tend to decrease, so the upper limit of the O 2- content is 60.0%, and the preferred upper limit is 55.0%.
  • a clarifying agent can also be added to promote the discharge of bubbles in the glass, and the clarifying agent is Sb 3+ , Sn 4+ , Ce 4+ , Cl - , Br - and I
  • the content of the clarifying agent is 0-1.0%, preferably 0-0.5%, preferably the clarifying agent is Sb 3+ and/or Cl - ; wherein, the content of Sb 3+ is 0-0.5% , preferably 0 to 0.1%; the content of Cl - is 0 to 1.0%, preferably 0 to 0.5%.
  • the glass of the present invention even if ions of transition metals such as V, Cr, Mn, Fe, Co, Ni, Cu, Ag, and Mo are contained in a small amount alone or in combination, the glass will be colored, and in specific areas of the visible light region Therefore, it is preferable that the optical glass, especially the optical glass that requires the transmittance of the visible light region wavelength, does not actually contain it.
  • the cations of Th, Cd, Tl, Os, Be, and Se tend to be used in a controlled manner as harmful chemical substances in recent years. Measures for environmental protection not only in the glass manufacturing process, but also in the processing process and the disposal after commercialization is compulsory. Therefore, when considering the influence on the environment, it is preferable not to actually contain them except for unavoidable mixing. Thereby, the optical glass becomes practically free of substances that pollute the environment. Therefore, the optical glass of the present invention can be manufactured, processed, and discarded without taking special measures for environmental measures.
  • the optical glass of the present invention preferably does not contain As 3+ and Pb 2+ .
  • As 3+ has the effect of eliminating bubbles and preventing glass coloration.
  • Do not introduce means that the component is not intentionally added as a raw material to the optical glass of the present invention; however, as a raw material and/or equipment for producing optical glass, there may be some Impurities or components that are not intentionally added will be contained in a small or trace amount in the final optical glass, and this situation is also within the protection scope of the patent of the present invention.
  • the refractive index (nd) and Abbe number ( ⁇ d ) of optical glass are tested according to the methods specified in GB/T 7962.1-2010.
  • the refractive index (nd) of the optical glass of the present invention is 1.50-1.58, preferably 1.53-1.57; the Abbe number ( ⁇ d ) is 70-80, preferably 72-78.
  • the bubble degree of optical glass is tested according to the method specified in GB/T7962.8-2010.
  • the bubble degree of the optical glass of the present invention is B grade or more, preferably A grade or more, and more preferably A 0 grade or more.
  • the samples were placed in a test box with a relative humidity of 90% saturated water vapor, and alternately cycled at 40°C to 50°C every 1 h for 15 cycles.
  • the weather resistance category is divided according to the amount of turbidity change before and after the sample is placed, where turbidity refers to the metamorphic layers such as "white spots” or "haze" on the surface of colorless optical glass after being eroded by the atmosphere.
  • the degree of erosion of the glass surface is determined by measuring the difference in turbidity of the sample before and after erosion.
  • the turbidity measurement is carried out with an integrating sphere turbidity meter with a relative error of ⁇ 5% of the haze indication value.
  • Table 1 shows the classification of weather resistance:
  • the weather resistance (CR) of the optical glass of the present invention is two or more types, preferably one type.
  • the temperature coefficient of refractive index (dn/dt) is tested according to the method specified in GB/T 7962.4-2010, and the relative temperature coefficient of refractive index of the d line at 60 ⁇ 80 °C is measured.
  • the temperature coefficient of refractive index (dn/dt) of the present invention is -5.0 ⁇ 10 -6 /°C or lower, preferably -5.5 ⁇ 10 -6 /°C or lower.
  • Abrasion degree refers to the value obtained by multiplying the ratio of the wear amount of the sample to the wear amount (volume) of the standard sample (K9 optical glass) under the exact same conditions by 100, which is expressed by the formula as:
  • V and V 0 represent the volume wear of the tested sample and standard sample, respectively
  • W and W 0 represent The mass attrition of the tested sample and the standard sample
  • ⁇ and ⁇ 0 represent the density of the tested sample and the standard sample, respectively.
  • the abrasion degree of the glass of the present invention is 450 or less, preferably 410 or less.
  • Knoop hardness is measured according to the test method specified in GB/T 7962.18-2010.
  • the Knoop hardness H K of the present invention is 300 ⁇ 10 7 Pa or more, preferably 320 ⁇ 10 7 Pa or more, and more preferably 350 ⁇ 10 7 or more.
  • the manufacturing method of the optical glass of the present invention is as follows: the glass of the present invention is produced by using conventional raw materials and conventional processes, using dry raw materials such as phosphates, metaphosphates, oxides, fluorides, carbonates, nitrates, etc. , put the prepared charge into a smelting furnace at 850-1100 °C for melting, after clarification and full homogenization, pour or leak molding at a temperature below 1000 °C (preferably in a N2 protective atmosphere), that is The optical glass of the present invention can be obtained.
  • dry raw materials such as phosphates, metaphosphates, oxides, fluorides, carbonates, nitrates, etc.
  • An optical preform can be produced from the produced optical glass using means such as grinding, or press forming means such as reheat press forming and precision press forming. That is, an optical preform can be produced by subjecting optical glass to mechanical processing such as grinding and polishing, or by producing a preform for press-molding from optical glass, reheating the preform, and then grinding the preform.
  • An optical preform can be produced by machining, or an optical preform can be produced by precision stamping a preform produced by grinding.
  • the means for preparing the optical preform is not limited to the above-mentioned means.
  • the optical glass of the present invention is useful for various optical elements and optical designs. Among them, it is particularly preferable to form a preform from the optical glass of the present invention, and to perform reheat press molding, precision press molding, etc. using the preform. , making optical components such as lenses and prisms.
  • optical preform and the optical element of the present invention are formed of the above-described optical glass of the present invention.
  • the optical preform of the present invention has the excellent properties of optical glass;
  • the optical element of the present invention has the excellent properties of optical glass, and can provide various optical elements such as lenses and prisms with high optical value.
  • lenses include various lenses such as concave meniscus lenses, convex meniscus lenses, biconvex lenses, biconcave lenses, plano-convex lenses, and plano-concave lenses whose lens surfaces are spherical or aspherical.
  • optical element formed by the optical glass of the present invention can be used to manufacture optical instruments such as photographic equipment, imaging equipment, display equipment and monitoring equipment.
  • the optical glass having the composition shown in Tables 2 to 4 was obtained by using the above-mentioned manufacturing method of the optical glass.
  • the properties of each glass were measured by the test method according to the present invention, and the measurement results are shown in Tables 2 to 4.
  • Concave meniscus lenses, convex meniscus lenses, and biconvex lenses are produced by using the glasses obtained in Examples 1 to 27 of the optical glass, for example, by means of grinding, or by means of press molding such as reheat press molding and precision press molding. , Bi-concave lenses, plano-convex lenses, plano-concave lenses and other lenses, prisms and other prefabricated parts.
  • the preforms obtained in the above-mentioned optical preform examples are annealed, and the refractive index is fine-tuned while reducing the internal stress of the glass, so that the optical properties such as the refractive index reach desired values.
  • each preform is ground and polished to produce various lenses and prisms such as a concave meniscus lens, a convex meniscus lens, a biconvex lens, a biconcave lens, a plano-convex lens, and a plano-concave lens.
  • An antireflection film may also be coated on the surface of the obtained optical element.
  • optical elements produced by the above-mentioned optical element embodiments are optically designed and formed by using one or more optical elements to form optical components or optical assemblies, which can be used for example in imaging equipment, sensors, microscopes, medical technology, digital projection, communication, optical communication Technology/information transmission, optics/lighting in the automotive field, lithography, excimer lasers, wafers, computer chips and integrated circuits and electronic devices including such circuits and chips.

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Abstract

La présente invention concerne un verre optique présentant un coefficient de température d'indice de réfraction inférieur à -5,0 × 10-6/°C et une excellente stabilité aux intempéries. Le verre optique, les constituants cationiques étant représentés en pourcentage en poids, contient : P5+ : 5,0–20,0 % ; Ba2+ : 56,0–73,0 % ; Al3+ : 7,0–18,0 % ; Sr2+ : 0,5–12,0 % ; et Ca2+ : 0–5,0 % ; la teneur totale en Ca2+ + Ba2+ + Al3+ étant de 69,0–85,0% ; et, les constituants anioniques étant représentés en pourcentage en poids, contient : F- : 35,0–60,0 % ; et O2- : 40,0–65,0 %. Le concept de constituant sensible permet à un verre optique à base de fluorophosphate de la présente invention de présenter un coefficient de température d'indice de réfraction (60-80°C) inférieur à -5,0 × 10 -6/°C et une excellente stabilité aux intempéries et satisfait à une exigence d'application la plus récente dans le domaine de l'optoélectronique.
PCT/CN2021/107556 2020-09-08 2021-07-21 Verre optique, préforme optique, élément optique et instrument optique WO2022052642A1 (fr)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003160356A (ja) * 2001-11-26 2003-06-03 Hoya Corp 光学ガラスおよび光学部品
CN105452183A (zh) * 2013-06-04 2016-03-30 Hoya株式会社 光学玻璃、光学元件坯件、压制成型用玻璃材料、光学元件及它们的制造方法
CN109626818A (zh) * 2019-01-07 2019-04-16 成都光明光电股份有限公司 氟磷酸盐光学玻璃、光学预制件、光学元件及光学仪器
CN110606660A (zh) * 2018-06-14 2019-12-24 成都光明光电股份有限公司 光学玻璃、光学预制件及光学元件
CN111423112A (zh) * 2020-05-26 2020-07-17 成都光明光电股份有限公司 氟磷酸盐光学玻璃
CN111995247A (zh) * 2020-09-08 2020-11-27 成都光明光电股份有限公司 光学玻璃、光学预制件、光学元件及光学仪器

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5004202B2 (ja) * 2005-09-14 2012-08-22 Ｈｏｙａ株式会社 光学ガラス、精密プレス成形用プリフォームおよび光学素子
JP5115984B2 (ja) * 2008-03-28 2013-01-09 Ｈｏｙａ株式会社 フツリン酸ガラス、プレス成形用ガラス素材、光学素子ブランク、光学素子とそれぞれの製造方法
JP2009256149A (ja) * 2008-04-18 2009-11-05 Hoya Corp 光学ガラス、その製造方法並びに光学素子および光学素子の製造方法
CN102557437B (zh) * 2010-12-20 2016-08-17 株式会社小原 光学玻璃、光学元件和预成型坯
JP2012153541A (ja) * 2011-01-21 2012-08-16 Ohara Inc 光学ガラス、プリフォーム及び光学素子
TWI637929B (zh) * 2012-06-29 2018-10-11 日商小原股份有限公司 光學玻璃、光學元件及預成形體
JPWO2014065225A1 (ja) * 2012-10-23 2016-09-08 旭硝子株式会社 フツリン酸ガラス、プレス成形用プリフォーム、および光学素子
JP6376337B2 (ja) * 2014-08-18 2018-08-22 日本電気硝子株式会社 光学ガラス
CN105621885B (zh) * 2016-01-21 2018-01-12 上海昕禾光电科技有限公司 一种低色散氟氧化物玻璃
CN106145668B (zh) * 2016-06-24 2019-01-04 成都光明光电股份有限公司 光学玻璃、光学预制件和光学元件
CN107540214B (zh) * 2016-06-24 2020-06-05 成都光明光电股份有限公司 光学玻璃、光学预制件和光学元件
JP2017048108A (ja) * 2016-11-30 2017-03-09 株式会社オハラ 光学ガラス、光学素子及びプリフォーム
JP7178953B2 (ja) * 2018-06-12 2022-11-28 株式会社オハラ 光学ガラス、光学素子及びプリフォーム
CN108751698B (zh) * 2018-06-14 2021-09-28 成都光明光电股份有限公司 光学玻璃、光学预制件及光学元件
CN110963706A (zh) * 2018-09-28 2020-04-07 成都光明光电股份有限公司 氟磷酸盐光学玻璃、光学预制件、元件及仪器
CN109320075A (zh) * 2018-09-28 2019-02-12 成都光明光电股份有限公司 氟磷酸盐光学玻璃、光学预制件、元件及仪器
CN109626815B (zh) * 2019-01-23 2021-10-01 成都光明光电股份有限公司 光学玻璃、玻璃预制件、光学元件及光学仪器
CN109608040B (zh) * 2019-01-25 2021-11-16 成都光明光电股份有限公司 氟磷酸盐玻璃、玻璃预制件、光学元件及具有其的光学仪器
CN110156324B (zh) * 2019-05-31 2022-05-24 成都光明光电股份有限公司 氟磷酸盐玻璃、玻璃预制件、光学元件及具有其的光学仪器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003160356A (ja) * 2001-11-26 2003-06-03 Hoya Corp 光学ガラスおよび光学部品
CN105452183A (zh) * 2013-06-04 2016-03-30 Hoya株式会社 光学玻璃、光学元件坯件、压制成型用玻璃材料、光学元件及它们的制造方法
CN110606660A (zh) * 2018-06-14 2019-12-24 成都光明光电股份有限公司 光学玻璃、光学预制件及光学元件
CN109626818A (zh) * 2019-01-07 2019-04-16 成都光明光电股份有限公司 氟磷酸盐光学玻璃、光学预制件、光学元件及光学仪器
CN111423112A (zh) * 2020-05-26 2020-07-17 成都光明光电股份有限公司 氟磷酸盐光学玻璃
CN111995247A (zh) * 2020-09-08 2020-11-27 成都光明光电股份有限公司 光学玻璃、光学预制件、光学元件及光学仪器

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