WO2005124398A1 - 光学材料、光学レンズおよびプリズム - Google Patents
光学材料、光学レンズおよびプリズム Download PDFInfo
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- WO2005124398A1 WO2005124398A1 PCT/JP2005/011433 JP2005011433W WO2005124398A1 WO 2005124398 A1 WO2005124398 A1 WO 2005124398A1 JP 2005011433 W JP2005011433 W JP 2005011433W WO 2005124398 A1 WO2005124398 A1 WO 2005124398A1
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- Prior art keywords
- optical
- refractive index
- force
- crystal material
- wavelength
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/7095—Materials, e.g. materials for housing, stage or other support having particular properties, e.g. weight, strength, conductivity, thermal expansion coefficient
- G03F7/70958—Optical materials or coatings, e.g. with particular transmittance, reflectance or anti-reflection properties
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
- C30B29/30—Niobates; Vanadates; Tantalates
-
- 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
- G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/901—Levitation, reduced gravity, microgravity, space
- Y10S117/902—Specified orientation, shape, crystallography, or size of seed or substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/918—Single-crystal waveguide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
- Y10T117/1032—Seed pulling
- Y10T117/1068—Seed pulling including heating or cooling details [e.g., shield configuration]
Definitions
- the present invention relates to an optical material, an optical lens, and a prism, and more particularly, to an optical material, an optical lens, and a prism having a high refractive index, no anisotropy, and a wide transmission wavelength range.
- optical components such as optical lenses and prisms have been used for optical devices such as cameras, microscopes, and telescopes, electrophotographic recording devices such as printers and copiers, optical recording devices such as DVDs, and optical devices.
- optical devices such as cameras, microscopes, and telescopes
- electrophotographic recording devices such as printers and copiers
- optical recording devices such as DVDs
- optical devices such as DVDs
- optical devices such as DVDs
- a lens or prism that maintains high transmittance even at short wavelengths and has as high a refractive index as possible and has no anisotropy is required. .
- the beam spot diameter of a laser beam is determined by the wavelength ⁇ of the light source and the numerical aperture ⁇ ⁇ ⁇ of the lens, and is known to be 0.8 ⁇ .
- a 4.7-inch disk can be recorded on a 5-inch disk using a semiconductor laser having a wavelength of 650 nm and a lens having an NA of 0.6.
- a-field recording method in which a recording density is increased by evanescent light at a total reflection part of light using a microlens having a high refractive index.
- the minute lens is a hemispherical lens called a solid immersion lens (SIL), and is disposed between the optical recording medium and the objective lens.
- the spot diameter of the beam transmitted through the objective lens is equivalently ⁇ Z (nXNA) (n is the refractive index of SIL), and is narrowed down to lZn compared to the case where SIL is not used.
- the distance between the recording surface of the optical recording medium and the bottom surface of the SIL should be less than 1Z4 of the optical wavelength. Therefore, the laser beam power transmitted through the SIL is emitted with the same properties as inside the SIL, and the beam's spot diameter is reduced to lZn, the diffraction limit.
- optical components such as cameras, microscopes, and steppers require a small lens with a high light-gathering property that has a high refractive index as much as possible due to mounting restrictions.
- Known glasses include high refractive index glass containing a large amount of La and Pb, and glass mainly containing TeO.
- Patent Document 1 discloses that the isotropic material in which many crystals are disclosed is limited to SrNbO, SrTaO, BiSiO, BiGeO, BiGeO, and GaP. This
- the refractive index in the visible light region remains in the range of 2.06-2.22.
- a prism for a polarizing optical system using a material having excellent transmittance in the visible light region, having no refractive index anisotropy and having a high refractive index is required.
- borosilicate glass has been used, but has a disadvantage that the photoelastic effect is large. Therefore, the use of high-refractive-index glasses such as lead-containing glass is being studied.However, these glasses can cover the wavelength range used in liquid crystal projectors, which are short and have poor light transmission characteristics in the wavelength range. There was a problem that could not be done.
- an optical material having a high refractive index capable of absorbing light over a long wavelength range up to a wavelength of about 5 ⁇ m is required.
- the light transmission characteristics in the long wavelength region of the optical materials known so far are as follows.
- the light transmission range of quartz glass is up to a wavelength of about 2 m, and the refractive index is small.
- Fluoride glass such as F-A1F-NaF has excellent light transmission characteristics.
- Chalcogenite glasses such as Ge—Sb—Se have excellent light transmission properties, but have toxicity problems. Therefore, there is a need for an optical material which has excellent light transmission characteristics in a long wavelength region, a high refractive index, and a high refractive index.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-19301
- Non-patent Document 1 Sharp Technical Report, "Trends in Large Capacity Optical Discs", No. 72, December 1998, pp. 9-12
- An object of the present invention is to provide an optical material, an optical lens, and a prism having a high refractive index and having no anisotropy and a wide transmission wavelength range.
- the optical material of the present invention comprises ⁇ , wherein a is K,
- At least one of Ba, Sr, and Ca, and ⁇ is made of a cubic crystal material that is at least one of Ta and Ti.
- ⁇ is ⁇ and ⁇ is Ta
- a high refractive index of 2.2 to 2.4 can be obtained in the visible light region where there is no birefringence over a wide temperature range.
- oxygen deficiency d is cubic crystalline material is 0 ⁇ d ⁇ 10_ 7
- the present invention is characterized in that a cubic crystal material having a composition x force of 0 ⁇ 0.35 is also formed of KTaNbO. According to this configuration, the refractive index can be further increased while the phase transition temperature is equal to or lower than room temperature. It also consists of K Li TaO,
- a cubic crystal material in which y is 0 ⁇ y ⁇ 0.02 can also be used.
- the KLiTaNbO force comprises a composition x force S0 ⁇ x ⁇ 0.35.
- the phase transition of the crystal can be a second-order phase transition without latent heat, and problems such as cracks can be solved.
- FIG. 1 is a diagram showing the wavelength dependence of the refractive index of KT
- FIG. 2 is a diagram showing light transmission characteristics of KT
- FIG. 3 is a diagram showing a relationship between oxygen deficiency of KT and an absorption coefficient at a wavelength of 405 nm.
- FIG. 4 is a diagram showing a configuration of a pickup system of a DVD recording device.
- Fig. 5 is a diagram showing the relationship between the amount X of Nb-added kneaded KTN in KTN and the refractive index and the phase transition temperature. [Fig. Diagram showing relationship with Abbe number
- FIG. 7 is a diagram showing a spectrum on the long wavelength side of KTN
- FIG. 8 is a diagram showing the relationship between the amount X of Sr added and the phase transition temperature
- FIG. 9 is a diagram showing a configuration of a cross dichroic prism according to an embodiment of the present invention.
- K Li Ta Nb O (0 ⁇ x ⁇ l, 0 ⁇ y ⁇ l
- KLTN has the property of changing the crystal system depending on the temperature from cubic to tetragonal. If the Li content is in the range of 0.0 to 0.02 and the Nb addition is in the range of 0 to 0.35, the phase transition temperature from cubic to tetragonal can be kept below room temperature. Therefore, an optical material having no birefringence can be obtained at room temperature, and a lens and a prism made of this crystalline material lose the polarization dependence of transmitted light.
- FIG. 1 shows the wavelength dependence of the refractive index of KT
- FIG. 2 shows the light transmission characteristics of KT.
- KTaO is in the visible light wavelength range (400-800 nm). It has a refractive index of 2.2 or more, and it has a refractive index of around 38 nm at a wavelength of about 400 nm.
- FIG. 1 shows the wavelength dependence of the refractive index of KT
- FIG. 2 shows the light transmission characteristics of KT.
- KTaO is in the visible light wavelength range (400-800 nm). It has a refractive index of 2.2 or more, and it has a refractive index of around 38 nm at a wavelength of about 400 nm.
- FIG. 1 shows the wavelength dependence of the refractive index of KT
- FIG. 2 shows the light transmission characteristics of KT.
- KTaO is in the visible light wavelength range (400-800 nm). It has a refractive index of 2.2 or more, and it has
- the light absorption edge is about 360 nm, and it can be seen that sufficient light transmittance is maintained up to short wavelengths.
- a material having a thickness of 10 mm has a transmittance of 80% or more or a transmittance equivalent thereto.
- FIG. 3 shows the relationship between the oxygen deficiency of KT and the absorption coefficient at a wavelength of 405 nm.
- the phase transition temperature is about 420 ° C.
- the amount of Nb added is limited. Specifically, if the Nb content exceeds 35% of the force Ta, the phase transition temperature becomes higher than room temperature. Furthermore, even if the phase transition temperature is lower than room temperature, if the storage or transport temperature is lower than the phase transition temperature, the crystalline material will repeat the phase transition. In this case, since the structure of the crystal is changed, cracks are generated in the crystal, which is a factor that lowers reliability. This is because, in the composition of KTN, the phase transition is a first-order phase transition with latent heat. [0021] (KLTN)
- the phase transition of the crystal can be changed to a second-order phase transition without latent heat, and problems such as cracks can be solved. Therefore, when the phase transition temperature is sufficiently lower than the storage / transport temperature, KTN can constitute a sufficiently high-performance and highly reliable lens or prism. When the refractive index is further increased and the storage or transport temperature and the phase transition temperature are close to each other, Li-added KLTN becomes effective.
- the KT crystal grown by the TSSG method is sliced in a [100] orientation to a thickness of 1.2 to 1.5 mm using a wire saw. Using a wire saw, the sliced substrate is cut out at intervals of 1.2 to 1.5 mm to produce a cube of 1.2 to 1.5 mm square. This cubic crystal is put in a container together with an abrasive, and the mixture is agitated to obtain a corner, thereby obtaining a roughly spherical coarse abrasive ball. The coarsely polished ball is further sandwiched between an abrasive and two polishing plates and rotated while applying a predetermined load to obtain a ball lens having a diameter of 1.0 mm.
- the hemispherical lens can be obtained by fixing the ball lens to the polishing plate using a box and rotating and polishing it with a constant load to flatten one surface.
- this micro hemispherical lens as the SIL, a pickup for a DVD recording device is constructed.
- FIG. 4 shows a configuration of a pickup system of the DVD recording apparatus.
- the laser light emitted from the semiconductor laser passes through the objective lens 31 and is narrowed to a predetermined beam spot diameter.
- Laser light emitted from the objective lens is condensed by the SIL32 and is focused on the bottom surface of the SIL32.
- the distance between the recording surface of the optical recording medium 33 and the bottom surface of the SIL 32 is set to 1Z4 or less of the light wavelength, and the laser light that has permeated from the SIL 32 reaches the recording surface of the optical recording medium 33 with a predetermined beam spot diameter. .
- the semiconductor laser used in Example 1 has a wavelength of 685 nm.
- NA 0.65 objective lens
- the recording density is evaluated by a DVD recording evaluation device using the size and the SIL of a KT crystal having a refractive index of 2.23, a recording density of 19 GbitZinch 2 can be realized.
- the refractive index at a wavelength of 685 nm is 2.0, and the recording density remains at 16 Gbit / inch 2 .
- a high recording density can be realized by forming a lens using a material having a higher refractive index than a conventional lens material. Further, according to the lens material of Example 1, it is clear that the light-collecting property is excellent and the material does not have birefringence.
- FIG. 5 shows the relationship between the amount X of Nb added to KTN and the refractive index and the phase transition temperature.
- the measurement wavelength was 632.8 nm.
- a recording density of 21 GbitZinch 2 can be achieved.
- a recording capacity of 160 GB can be achieved.
- the amount of Nb added is 0.35 or more, the phase transition temperature of the crystal becomes close to room temperature. Optical homogeneity cannot be maintained. In addition, the light transmission characteristics deteriorate, and the wavelength absorption edge becomes 400 ⁇ m.
- FIG. 6 shows the relationship between the amount X of Nb added to KTN and the short-wavelength absorption edge and Abbe number.
- the refractive index increases and the dispersion increases, and the light absorption edge shifts to longer wavelengths. Further, as the light absorption edge shifts to the longer wavelength side, the refractive index dispersion increases, that is, the Abbe number decreases.
- the KTN material is likely to have a high refractive index and a high dispersion due to the addition of Nb.
- FIG. 7 shows a spectrum on the long wavelength side of KTN.
- the transmittance on the vertical axis is not an internal transmittance because it includes reflection on both surfaces of the crystal.
- the internal transmittance at the wavelength is 100%.
- the KTN crystal has no absorption up to a wavelength of 5 m and has a high refractive index, so that it can be applied to lenses and prisms in the mid-infrared region.
- the crystal growth temperature can be lowered, and the evaporation amount of KO can be reduced in the crystal growth process.
- K O evaporates, the crystal production equipment
- KLT Li CO is added to the KT growing solution, and K Li TaO (0 ⁇ y ⁇ 0.02; hereinafter, KLT
- the amount of 23 is 18mol
- n (@ 405nm) 2.353—0.19y It is expressed.
- the refractive index of the crystal is reduced by the addition of Li.
- the 1S reduction is only about 0.0038 at the maximum Li addition of 0.02, and does not pose a practical problem. Range.
- the yield is improved by 20%.
- FIG. 8 shows the relationship between the amount x of the Sr-added syrup and the phase transition temperature.
- the phase transition temperature from cubic to tetragonal decreases as the amount of Sr added increases. In order to be cubic at room temperature, it is desirable that the phase transition temperature be below room temperature.
- FIG. 9 shows a cross dichroic prism according to an embodiment of the present invention.
- a KT crystal having the same composition as in Example 1 four triangular prism prisms 5 la to 5 Id used in a three-plate color separation / synthesis optical system are produced.
- An ordinary polishing technique is used for fabrication.
- the right-angled surfaces of the triangular prisms 51a to 51d are coated with a dielectric multilayer film, and the right-angled surfaces are joined.
- the right-angled surfaces 52a and 52c which are one diagonal of the cross section of the joined quadrangular prism, have R A multilayer film that reflects the R signal of the GB signal and transmits the G and B signals is attached.
- a multilayer film that reflects the B signal and transmits the R signal and the G signal is provided on the other diagonal perpendicular surfaces 52b and 52d.
- a cross dichroic prism used in a three-plate color separation / synthesis optical system that separates RGB signals, modulates each of the RGB signals, and synthesizes the signals is manufactured.
- the cross dichroic prism is installed in a projector.
- the light source uses an ultra-high pressure mercury lamp, metal halide lamp, or high-power xenon lamp to project an image with a high brightness of 2000 lumens.
- the cross dichroic prism according to the present embodiment has a transmittance deteriorating power of 1% or less when irradiating for 10 minutes at an irradiation intensity of 2.2 WZcm 2 , or has a transmittance deterioration characteristic equivalent thereto. Therefore, the brightness of the projected image of this projector does not change for a long time, and an image with high color rendering can be maintained.
- the KT crystal exhibits high light resistance, high homogeneity, and high light transmission characteristics, a cross dichroic prism using this material can be applied to a video device with high light input such as a projector.
- Example 2 Using the same KTN crystal as in Example 2, a cross dichroic prism similar to that in Example 6 is produced. As in the sixth embodiment, the present invention is applied to a projector constituting a three-plate color separation / synthesis optical system. Even in the prism to which Nb is added, the light transmission characteristics and the light resistance are not deteriorated, and a stable high-luminance image can be projected as in the sixth embodiment. In addition, even when a KTLN crystal to which Li is added is used, sufficient characteristics can be maintained as a cross dichroic prism.
- KTaO powder After mixing the powders in a molar ratio of 1: 1, put them in a platinum container and heat them in a 1000 degree oxygen atmosphere for 10 hours. Heating produces KTaO together with the CO desorption reaction. Generated The KTaO powder is lightly pulverized, mixed with KF powder, and placed in a 700 ° C oxygen atmosphere.
- a powder material containing 2 o may be charged so that the vapor pressure of K o is maintained at or above the equilibrium vapor pressure.
- the pellet is a polycrystal having an average crystal grain of 50 to: L00 m.
- the transmittance and the refractive index of this pellet are almost the same as those of the above-mentioned KT, and the birefringence is below the measurement limit.
- a 1.2 mm square cube is cut out from the pellet, and an SIL is prepared in the same manner as in Example 1.
- the recording density is evaluated by a DVD recording evaluation device, it is found that the same recording density as in Example 1 can be realized.
- the crystal material is cubic, an optically uniform lens can be manufactured using either a single crystal material or a polycrystalline material.
- Example 8 powder production using a solid phase reaction was performed, but a powder production method such as a sol-gel method or a coprecipitation method may be used.
- a powder production method such as a sol-gel method or a coprecipitation method may be used.
- an oxygen atmosphere for sintering or an atmosphere containing oxygen at an equilibrium partial pressure or higher it is preferable to use an oxygen atmosphere for sintering or an atmosphere containing oxygen at an equilibrium partial pressure or higher.
- Polycrystalline materials can be made.
- Polycrystalline KTN also shows optically homogeneous properties, has no defects such as voids, and the density of the sintered body reaches almost 100%.
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Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006514852A JPWO2005124398A1 (ja) | 2004-06-22 | 2005-06-22 | 光学材料、光学レンズおよびプリズム |
US10/599,452 US7674737B2 (en) | 2004-06-22 | 2005-06-22 | Optical medium, an optical lens and a prism |
KR1020067019975A KR100998098B1 (ko) | 2004-06-22 | 2005-06-22 | 광학 재료, 광학 렌즈 및 프리즘 |
EP05753470A EP1760496A4 (en) | 2004-06-22 | 2005-06-22 | OPTICAL MATERIAL, OPTICAL LENS AND PRISM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-183966 | 2004-06-22 | ||
JP2004183966 | 2004-06-22 |
Publications (1)
Publication Number | Publication Date |
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WO2005124398A1 true WO2005124398A1 (ja) | 2005-12-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/011433 WO2005124398A1 (ja) | 2004-06-22 | 2005-06-22 | 光学材料、光学レンズおよびプリズム |
Country Status (6)
Country | Link |
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US (1) | US7674737B2 (ja) |
EP (1) | EP1760496A4 (ja) |
JP (1) | JPWO2005124398A1 (ja) |
KR (1) | KR100998098B1 (ja) |
CN (1) | CN100399058C (ja) |
WO (1) | WO2005124398A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105623653A (zh) * | 2016-03-31 | 2016-06-01 | 深圳市力沣实业有限公司 | 一种光学液体及其制备方法 |
CN109212861A (zh) * | 2018-11-16 | 2019-01-15 | 京东方科技集团股份有限公司 | 透镜组件及其控制方法、显示装置 |
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JPS6148498A (ja) * | 1984-08-17 | 1986-03-10 | Asahi Glass Co Ltd | タンタル酸アルカリ単結晶の製造方法及びそのためのルツボ |
JPS61163189A (ja) * | 1985-01-10 | 1986-07-23 | Asahi Glass Co Ltd | 単結晶製造用ルツボ |
JP2000191398A (ja) * | 1998-12-28 | 2000-07-11 | Kyocera Corp | チタン酸バリウム単結晶及びそれを用いた光学部品並びに光記録再生装置 |
JP3760364B2 (ja) * | 1999-07-21 | 2006-03-29 | Tdk株式会社 | 誘電体磁器組成物および電子部品 |
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2005
- 2005-06-22 US US10/599,452 patent/US7674737B2/en not_active Expired - Fee Related
- 2005-06-22 JP JP2006514852A patent/JPWO2005124398A1/ja active Pending
- 2005-06-22 KR KR1020067019975A patent/KR100998098B1/ko not_active IP Right Cessation
- 2005-06-22 EP EP05753470A patent/EP1760496A4/en not_active Ceased
- 2005-06-22 WO PCT/JP2005/011433 patent/WO2005124398A1/ja not_active Application Discontinuation
- 2005-06-22 CN CNB2005800101675A patent/CN100399058C/zh not_active Expired - Fee Related
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CN105623653A (zh) * | 2016-03-31 | 2016-06-01 | 深圳市力沣实业有限公司 | 一种光学液体及其制备方法 |
CN109212861A (zh) * | 2018-11-16 | 2019-01-15 | 京东方科技集团股份有限公司 | 透镜组件及其控制方法、显示装置 |
Also Published As
Publication number | Publication date |
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CN1938605A (zh) | 2007-03-28 |
US7674737B2 (en) | 2010-03-09 |
EP1760496A1 (en) | 2007-03-07 |
EP1760496A4 (en) | 2008-04-02 |
CN100399058C (zh) | 2008-07-02 |
KR20070022026A (ko) | 2007-02-23 |
US20070199505A1 (en) | 2007-08-30 |
KR100998098B1 (ko) | 2010-12-02 |
JPWO2005124398A1 (ja) | 2008-04-10 |
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