WO2004071988A1 - 光学装置用部品 - Google Patents
光学装置用部品 Download PDFInfo
- Publication number
- WO2004071988A1 WO2004071988A1 PCT/JP2004/001502 JP2004001502W WO2004071988A1 WO 2004071988 A1 WO2004071988 A1 WO 2004071988A1 JP 2004001502 W JP2004001502 W JP 2004001502W WO 2004071988 A1 WO2004071988 A1 WO 2004071988A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical
- powder
- component
- optical device
- molding
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00137—Injection moldable mixtures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00844—Uses not provided for elsewhere in C04B2111/00 for electronic applications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Definitions
- the present invention relates to components for optical devices used in various optical devices, such as housings for segment display devices and projection display devices, reflectors, optical recording media, optical component support members for optical head devices, and the like. It is about. book
- the housings of the segment display device and the projection display device have been manufactured from resin moldings, while the housings of the light source lamps have been formed of metal.
- resins of various shapes can be easily and inexpensively manufactured by molding techniques, but have the problem of low heat resistance.
- metal there is a problem that thermal expansion is large. Such a problem is not preferable in the case of an optical device, in particular, because it causes a decrease in display performance, a decrease in light use efficiency, reproduction of information using light, and a decrease in recording accuracy.
- an object of the present invention is to propose a component for an optical device that can solve problems such as heat resistance and deformation that have been conventionally encountered in resin molded products and metal products.
- the present invention provides a ceramic molding method in which a molding material including a cement material having hydration activity is molded into a predetermined shape for optical device parts used in various optical devices, and then cured. It is characterized by using products.
- a cement material having hydration activity means that Therefore, it is not limited to a hardening cement material, but also refers to a cement material which can be hardened by its own hydration activity by surface treatment of the cement material without adding water.
- the cement material in order to construct a cement material that can harden with its own hydration activity without adding water, for example, the cement material is allowed to undergo a hydration reaction in advance and a crosslinking reaction is performed. There is a cement material to which resin is added.
- the cement material is molded in a mold or the like, the material can be manufactured at high productivity and at low cost without wasting the material.
- parts for optical devices such as housings for segment display devices and projection type display devices, reflectors for light source lamp units, optical recording media, and optical component support members for optical head devices are manufactured from such molded products, Good performance can be maintained because it is not deformed by changes in environmental temperature or heat generated by the light source.
- a reflector for a light source lamp unit there is no deformation, which improves light use efficiency.
- an optical recording medium, an optical component support member of an optical head device, etc. the accuracy of information recording and reproduction is improved.
- thermoplastic resin such as polypropylene, polystyrene, polyamide, polyethylene terephthalate, or polyphenylene sulfide
- the heat softens or melts the thermoplastic resin so that the fluidity of the material from the molding machine into the mold is improved.
- polypropylene or polystyrene it is preferable to use polypropylene or polystyrene as the thermoplastic resin.
- an inorganic fiber such as a glass fiber or a carbon fiber is added to the cement material or the molding material.
- the strength of the ceramic molded product can be improved.
- the optical device part according to the present invention is characterized in that the ceramic formed in a housing shape is It can be used as a housing for a display device in which an optical component is held by a molded product.
- the optical device component according to the present invention can be used as a reflector having a reflecting surface formed on the front side of a reflector main body made of the ceramic molded product formed so as to cover the light source on the back side.
- the optical device component according to the present invention can be used as an optical recording medium in which an optical recording material layer is formed on one surface of the optical device component formed in a substrate shape.
- the component for an optical device according to the present invention can be used as an optical element support member on which various optical components used in an optical head device are mounted.
- FIG. 1 is an explanatory diagram of a segment display device as an optical device to which the present invention is applied.
- FIG. 2 is an explanatory diagram of a liquid crystal projector as an optical device to which the present invention is applied.
- FIG. 3 is an explanatory diagram of an optical recording medium to which the present invention is applied.
- FIG. 4 is an explanatory diagram of an optical head device to which the present invention is applied.
- a cement-based material having hydration activity a molding material obtained by adding water to the following cement material, or a hydrothermal synthesis ceramic of Sumitomo Osaka Cement Co., Ltd., trade name “ Using a “Z-ma” or the like, a ceramic molded product described later, that is, a housing for a segment display device or a projection display device, a reflector for a light source lamp unit, an optical recording medium, and an optical head.
- Manufacture parts for optical devices such as components for optical devices.
- one example of the above molding material is
- Hydraulic powder (Pol Trang Doseme emissions g) 4 0-8 0 weight 0/0 non-hydraulic powder (silicon Kafuyumu) 1 0-5 0% by weight the moldability modifier (talc) 1 0-3 0% Processability improver (acrylic resin) 2 to 9 parts by weight
- Thickener (carboxymethylcellulose) 0.5 to 5 parts by weight
- a non-hydraulic powder, a moldability improver, a processability improver, a thickener, a bulking agent, etc. are added to the cement material as required.
- the cement material is, for example, a mixed powder composed of 40 to 80% by weight of a hydraulic powder, 10 to 50% by weight of a non-hydraulic powder, and 0 to 30% by weight of a moldability improver. And a processability improver blended in a proportion of 2 to 9 parts by weight with respect to 100 parts by weight of the mixed powder, and a thickener blended in a proportion of 0.5 to 5 parts by weight.
- Hydraulic powders include, for example, calcium silicate compound powder, calcium aluminate compound powder, calcium fluoroaluminate compound powder, potassium sulfoaluminate compound, calcium aluminoferrite compound powder, It is a calcium phosphate compound powder, hemihydrate or anhydrous gypsum powder, and quicklime powder having a self-hardening property, and can be hardened by water.
- a typical example of hydraulic powder is Portland cement.
- Non-hydraulic powders are powders that do not harden when contacted with water when used alone. Typical examples are calcium hydroxide powder, gypsum powder, calcium carbonate powder, slag powder, and fly. Ash powder, silica powder, clay powder, silica fume powder and the like. By adding such a non-hydraulic powder, it is possible to increase the filling rate during molding of the molded article and reduce the porosity of the obtained molded article. Thereby, the dimensional stability of the molded product can be improved.
- a moldability improver is a material that improves the slipperiness with the mold during injection molding, further reduces the anisotropy of moldability, and stabilizes the quality.
- examples of the moldability improver include inorganic materials such as talc (hydrated magnesium silicate) and my strength. Such an inorganic material has excellent orientation, imparts slipperiness to the surface of a molded product, and can stabilize quality by reducing resistance to a mold.
- the processability improver contributes to the improvement of the moldability, mold release, cutting / grindability, grinding accuracy, etc. of the ceramic molded product. That is, the composition obtained by adding the workability improver improves the formability since the workability improver functions as a molding aid during pressure molding. In addition, since the fragility of the ceramic molded product is improved by the workability improver, Demolded without any damage. Therefore, yield and workability are improved. If a workability improver is added, the occurrence of cracks, chips, etc. can be prevented. Therefore, even in the case of a hydraulic composition, a cutting process or a grinding process using a lathe or the like can be performed as in the case of the metal material.
- Examples of such a processability improver include a vinyl acetate resin, a copolymer resin with butyl acetate, an acrylic resin, a copolymer resin with acryl, a styrene resin, a copolymer resin with styrene, and an epoxy resin. and so on.
- a thickener is a material that develops tackiness when dissolved in water, increases the bonding force between hydraulic and non-hydraulic powder, and forms a ceramic molded product immediately after molding. It is effective for maintaining the shape of the fabric, ensuring water retention, and forming a solid cured product. ⁇
- Examples of the thickener include methylcellulose, hydroxyshethyl cellulose, carboxymethylcellulose and the like.
- water is added to 100 parts by weight of a cement material composed of a hydraulic powder, a non-hydraulic powder, and a moldability improver in addition to the above components. Is added in an amount of 30 parts by weight or less, preferably 25 parts by weight or less. In order to reduce drying shrinkage, it is better to reduce the amount of water.
- the molded article is molded into a predetermined shape by an injection molding machine or the like, and then the ceramic molded article is cured.
- the ceramic molded product thus obtained is used as it is or after being machined as various components.
- a member made of an inorganic material is manufactured by molding using a cement material. Therefore, material is not wasted and productivity is high as compared with cutting. Therefore, various parts can be manufactured at low cost.
- polypropylene, polystyrene, and polyamide are used for the cement material described in Production Method 1 or the molding material added with water.
- Thermoplastic resin such as polyethylene terephthalate, polyethylene sulfide, etc., for example, in the form of several 0 / o to several tens percent, pellets, flakes, or powders, and then a ceramic molded product described later, that is, a segment.
- optical device components such as housings for display devices and projection display devices, reflectors for light source lamps, optical recording media, and components for optical head devices.
- inorganic fibers such as glass fiber and bonbon fiber prepared to a predetermined size are added, for example, by several percent. Addition of several tens of percent to ceramic molded products to be described later, that is, optical devices such as segment display devices and projection display device housings, reflectors for light source lamps, optical recording media, and parts for optical head devices. Manufacture parts.
- the strength of the molded article using the cement material can be improved, so that cracks, chips, and the like can be prevented.
- a metal or a metal compound powder is added in an amount of several to several tens% to the cement material described in the manufacturing methods 1, 2, and 3 or the molding material to which water is added.
- the molded product is cured and, if necessary, machined to obtain a ceramic molded product, which will be described later, ie, a segment display device, a housing for a projection display device, and a light source lamp.
- a ceramic molded product which will be described later, ie, a segment display device, a housing for a projection display device, and a light source lamp.
- the powder of the metal or metal compound to be added here is a powder of iron and iron compounds such as iron powder, stainless powder, permalloy powder, sendast powder, iron oxide powder, and magnetic powder. .
- metal or metal compound powder copper powder such as copper powder, brass powder, nickel silver powder, phosphor bronze powder, and copper titanium powder may be added.
- powder of the metal or the metal compound in addition to the above-mentioned iron-based powder ⁇ ⁇ -based powder, aluminum powder, magnesium powder, nickel powder, tantalum powder, molybdenum powder, tin powder, lead powder, zinc powder Metal powder such as titanium powder, chromium powder, zirconium powder, and cobalt powder may be added. Further, silicon powder may be added.
- Hydraulic powder (Portland cement) 4,080% by weight Non-hydraulic powder (silica fume) 1,500% by weight Moldability improver (talc) 1,030% by weight Processability improver (Acryl) 2-9 parts by weight
- Thickener (carboxymethylcellulose) 0.5 to 5 parts by weight
- the metal powder was added to the cement material described in Manufacturing Methods 1, 2 and 3 or the molding material to which water was added, and injection molding was performed using the metal powder to cure. Then, after further machining, if necessary, the metal powder is subjected to nitriding, sulfidation, or carburizing to form a ceramic molded product described later, that is, a segment display device ⁇ ⁇ ⁇ ⁇ ⁇ a projection display device. Manufactures optical housing components, including light source lamp reflectors, optical recording media, and optical head device components.
- the metal powder to be added here is, for example, a powder of iron and iron compounds such as iron powder, stainless steel powder, permalloy powder, sendust powder, iron oxide powder, and magnetic powder.
- Hydraulic powder (Portland cement) 4800% by weight Non-hydraulic powder (silica fume) 1500% by weight Moldability improver (talc) 100% by weight Processability improver (acrylic resin) ) 2 to 9 parts by weight
- Thickener (carboxymethylcellulose) 0.5 to 5 parts by weight
- FIG. 1 is an explanatory diagram of a segment display device as an optical device to which the present invention is applied.
- a segment display device 10 includes a substrate 12 on which a plurality of light emitting elements 11 such as light emitting diodes, phototransistors, and Cds cells are mounted, and a light emitting element 11 mounted on a predetermined position. And a housing 14 in which a plurality of transmission windows 13 to be arranged are formed. In the segment display device 10, predetermined information is displayed by controlling the on / off state of the light emitting element 11 arranged in each transmission window 13.
- a resin molded product was conventionally used as the housing 14 (the component for the optical device).
- a white ceramic molded product obtained by forming a molding material in which water is added to a material into a predetermined shape and then curing the material is used.
- the surface side 15 is coated with black or another color. Therefore, even when the housing 14 is formed of an inorganic material, the material can be manufactured with high productivity at low cost without wasting the material.
- such a ceramic molded product does not deform due to a change in environmental temperature, so that good display performance can be maintained.
- the housing 14 of the present embodiment does not cause a crosslinking reaction / decomposition reaction due to ultraviolet rays, and therefore has high weather resistance. Therefore, it can be used as an outdoor display device. Furthermore, according to the housing 14 of the present embodiment, even if it is white, the heat resistance and weather resistance are excellent, and the reflectivity is improved by about 30% or more as compared with that of resin. There is an advantage that the display light amount can be sufficiently secured.
- FIG. 2 is an explanatory diagram of a liquid crystal projector (projection display device) as an optical device to which the present invention is applied.
- the white light emitted from the light source unit 21 is separated by the dichroic mirror 22 and the condenser lens 23 into three primary colors of red, green, and blue.
- the light is guided to a liquid crystal light valve 24, modulated by the liquid crystal light valve 24 for each color, and then synthesized by the dichroic brake 25 and projected by the projection lens 26.
- a housing 27 called a lamp housing or the like while being entirely or partially housed in a light guide (not shown).
- the light source unit 21 is a light source lamp 28 such as a halogen lamp, a short arc metal halide lamp, a xenon short arc lamp, an ultra-high pressure mercury lamp, and a reflective surface 291 having a curved inner surface.
- Reflector 29 and a lamp housing (not shown).
- a resin molded product was conventionally used as the housing 27 (parts for optical devices) or the light guide (parts for optical devices).
- Method 1 to 5 explained as described above, a molding material obtained by molding a molding material obtained by adding water to a cement material into a predetermined shape, and then hardening is used. For this reason, even when the housing is formed of an inorganic material, the material can be manufactured with high productivity at low cost without wasting the material.
- such a ceramic molded product has a heat resistance of 270 ° to 500 °, so that it is not deformed by a change in environmental temperature or heat generated by the light source.
- the size of the liquid crystal projector 20 is reduced by increasing the degree of integration of the optical components, it is possible to maintain good display performance such that the optical axis is not distorted.
- a crosslinking reaction or a decomposition reaction does not occur due to ultraviolet rays, so that weather resistance is also improved.
- the molding material obtained by adding water to the cement material is formed into a predetermined shape as the reflector 29 (a component for an optical device) of the light source unit 21.
- a cured ceramic molded article having a reflective surface 291 formed by spraying metal on the inner surface is used.
- the inner surface of the molded product is smooth because the inner surface of the molded product is in contact with the molding material at the time of molding, so that the reflection surface 291 can be formed only by spraying the metal as it is.
- the reflective surface 291 may be formed by spraying a metal.
- the reflector 29 can be manufactured with high productivity and at low cost without wasting the material. Moreover, such a ceramic molded product does not deform due to a change in environmental temperature or the heat generated by the light source, so that good display performance can be maintained, such as a distortion of the optical axis. .
- FIG. 3 is an explanatory diagram of an optical recording medium to which the present invention is applied.
- an optical recording medium 40 such as a CD, CD-R, or DVD has a recording layer 43 and a protective layer 44 laminated in this order on the lower surface of a disk-shaped substrate 41.
- an engineering plastic was conventionally used as the substrate 41.
- the cement material is formed by adding water to the cement material.
- a ceramic molded product obtained by molding a material into a predetermined shape and then curing is used.
- a protective layer 42 may be formed on the upper surface of the substrate 41, and label printing or the like is performed on the side on which the protective layer 42 is formed.
- the material can be manufactured at a low cost with high productivity without wasting the material. Moreover, such a molded article does not deform due to a change in environmental temperature, and thus has high accuracy in reproducing and recording. That is, among the engineering plastics, while the coefficient of linear expansion of made of Polyamide about 3 0 X 1 0 6, the linear expansion coefficient of the polybutylene terephthalate is from about 2 0 X 1 0- 6, hydraulic ceramic the linear expansion coefficient of about 5 XI 0- 6, is about 1/4 of the engineering plastics. The linear expansion coefficient of the iron is about 1 2 X 1 0- 6, the linear expansion coefficient of hydraulic ceramics is about 1/2 of the iron.
- hydraulic ceramics have a specific gravity of about 2, which is higher than the specific gravity of resin (about 1.0), but lower than that of aluminum (about 2.7). Therefore, since stable rotation can be obtained, high accuracy can be obtained in both reproduction and recording.
- the present invention is not limited to optical recording media such as CD and DVD, but can be applied to various optical recording media (including magneto-optical recording media).
- FIG. 4 is an exploded perspective view of the optical head device to which the present invention is applied.
- the optical head device 50 shown in FIG. 1 is for reproducing and recording an optical recording disk such as a CD or a DVD.
- the optical head device 50 moves an objective lens 51 for focusing a laser beam on an optical recording medium, a lens holder 52 holding the objective lens 51, and the lens holder 52 in the tracking direction and the focusing direction.
- a device frame 55 to which the objective lens driving device 60 is attached.
- the device frame 55 has slide portions 56, 57, 58 formed on both sides, and these slide portions 56, 57, 58 are formed along the guide shafts 66, 67.
- the device frame 55 moves in the radial direction of the optical recording disk 2 by sliding.
- various optical components constituting an optical system together with the objective lens 51 are mounted on the device frame 55.
- the objective lens driving device 60 has an actuator yoke 61 whose upper side is open, and a support shaft 62 stands upright from the center of the bottom plate portion.
- the lens holder 52 is movable in the focusing direction along the support shaft 62 and is rotatable in the tracking direction about the support shaft 62.
- a tracking magnetic drive circuit and a focusing magnetic drive circuit including a drive coil and a drive magnet are configured.
- the device frame 6 optical component support member
- the lens holder 4 optical component support member
- a molded ceramic material obtained by molding a molding material obtained by adding water to a cement material into a predetermined shape, and then hardening is used.
- Such a ceramic molded product does not deform due to changes in environmental temperature or heat generated by the light source, so that the optical axis is not distorted. Good display performance can be maintained. Further, since the device frame 6 and the lens holder 4 of the present embodiment are made of a ceramic molded product, they are lightweight. Furthermore, since the device frame 6 and the lens holder 4 of the present embodiment have high rigidity, there is an advantage that they do not resonate in the operation region.
- the objective lens driving device 60 is of a shaft sliding / rotating type
- the present invention may be applied to an optical head device of a type in which a lens holder is supported by a wire suspension. .
- the optical device parts to which the present invention is applied include, in addition to the housings 14 and 27 described above, a liquid crystal panel and an organic electronic device constituting a display device in a mobile phone or a mobile computer.
- the present invention may be applied to a frame of a luminescence display device.
- the present invention may be applied to a housing when an optical element is modularized.
- the housing of the segment display device or the projection display device and the light source lamp can be manufactured at low cost without wasting the material, with high productivity. It is possible to manufacture optical device components such as reflectors.
- a component for an optical device is formed of such a ceramic molded product, it does not deform due to a change in environmental temperature or heat generated by a light source, so that good display performance can be maintained.
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005504989A JPWO2004071988A1 (ja) | 2003-02-14 | 2004-02-12 | 光学装置用部品 |
US10/544,728 US20060204781A1 (en) | 2003-02-14 | 2004-02-12 | Component for optical device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003036139 | 2003-02-14 | ||
JP2003-36139 | 2003-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004071988A1 true WO2004071988A1 (ja) | 2004-08-26 |
Family
ID=32866313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/001502 WO2004071988A1 (ja) | 2003-02-14 | 2004-02-12 | 光学装置用部品 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060204781A1 (ja) |
JP (1) | JPWO2004071988A1 (ja) |
WO (1) | WO2004071988A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4875682B2 (ja) * | 2008-09-30 | 2012-02-15 | 富士フイルム株式会社 | レンズ枠、レンズ組立体および撮影装置 |
JP5149116B2 (ja) | 2008-09-30 | 2013-02-20 | 富士フイルム株式会社 | セラミック成型品の製造方法、セラミック成型品および撮影装置 |
JP2010085716A (ja) | 2008-09-30 | 2010-04-15 | Fujinon Corp | レンズ組立体及び撮像装置 |
JP2010085718A (ja) * | 2008-09-30 | 2010-04-15 | Fujinon Corp | レンズ組立体、およびセラミック製鏡枠への光学部材の装入方法 |
EP2827564A4 (en) * | 2012-03-12 | 2015-10-28 | Nec Corp | PORTABLE DEVICE |
US10072491B2 (en) * | 2014-06-03 | 2018-09-11 | Abrado, Inc. | Method and apparatus for well bore illumination and inspection |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0397858U (ja) * | 1990-01-25 | 1991-10-09 | ||
JPH08273195A (ja) * | 1995-03-29 | 1996-10-18 | Kenta Sato | 超耐久画像板 |
JP2000007411A (ja) * | 1998-06-24 | 2000-01-11 | Sumitomo Osaka Cement Co Ltd | 水硬性組成物及びそれを用いた成形体 |
JP2001026484A (ja) * | 1999-07-13 | 2001-01-30 | Sumitomo Osaka Cement Co Ltd | 水硬性組成物成形体 |
JP2001283455A (ja) * | 2000-03-30 | 2001-10-12 | Sumitomo Osaka Cement Co Ltd | 水硬性組成物成形体からなる光ピックアップベース及び該成形体の製造方法 |
WO2001090021A1 (fr) * | 2000-05-25 | 2001-11-29 | Sumitomo Osaka Cement Co., Ltd. | Composition hydraulique thermoplastique, produit façonne fabrique a partir de cette composition par durcissement par hydratation, et procede de fabrication de produit façonne |
JP2004035337A (ja) * | 2002-07-04 | 2004-02-05 | Houei:Kk | 成形品の製造方法、および成形品 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5479285A (en) * | 1993-09-01 | 1995-12-26 | Ncr Corporation | Liquid crystal device with an isotropic shock mounting and gasket |
-
2004
- 2004-02-12 JP JP2005504989A patent/JPWO2004071988A1/ja active Pending
- 2004-02-12 WO PCT/JP2004/001502 patent/WO2004071988A1/ja active Application Filing
- 2004-02-12 US US10/544,728 patent/US20060204781A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0397858U (ja) * | 1990-01-25 | 1991-10-09 | ||
JPH08273195A (ja) * | 1995-03-29 | 1996-10-18 | Kenta Sato | 超耐久画像板 |
JP2000007411A (ja) * | 1998-06-24 | 2000-01-11 | Sumitomo Osaka Cement Co Ltd | 水硬性組成物及びそれを用いた成形体 |
JP2001026484A (ja) * | 1999-07-13 | 2001-01-30 | Sumitomo Osaka Cement Co Ltd | 水硬性組成物成形体 |
JP2001283455A (ja) * | 2000-03-30 | 2001-10-12 | Sumitomo Osaka Cement Co Ltd | 水硬性組成物成形体からなる光ピックアップベース及び該成形体の製造方法 |
WO2001090021A1 (fr) * | 2000-05-25 | 2001-11-29 | Sumitomo Osaka Cement Co., Ltd. | Composition hydraulique thermoplastique, produit façonne fabrique a partir de cette composition par durcissement par hydratation, et procede de fabrication de produit façonne |
JP2004035337A (ja) * | 2002-07-04 | 2004-02-05 | Houei:Kk | 成形品の製造方法、および成形品 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004071988A1 (ja) | 2006-06-01 |
US20060204781A1 (en) | 2006-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2004071988A1 (ja) | 光学装置用部品 | |
JP4365613B2 (ja) | 芳香族ポリエステル樹脂及び光学部材 | |
TW201249625A (en) | Liquid crystalline polymer molded article | |
JP2001232667A (ja) | データ格納用両面ディスク形状物品を製造する型 | |
JP2006133331A (ja) | 光反射鏡、その製造方法およびプロジェクター | |
JP2010224118A (ja) | 接合型レンズ用硬化性樹脂組成物、撮像レンズ、及び、撮像レンズの製造方法 | |
JPH08327809A (ja) | プラスチック製反射ミラー | |
JP2006188623A (ja) | 光学素子用樹脂及びその製造法、それを用いた光学素子 | |
JP3768169B2 (ja) | 金型組立体及び射出成形方法 | |
JP2003302509A (ja) | リフレクタ及びそれを用いた投写型画像表示装置 | |
JP5443772B2 (ja) | 複合光学素子用樹脂組成物および複合光学素子 | |
JPH0991753A (ja) | 光学式情報記録媒体 | |
JP2004355732A (ja) | 光記録媒体 | |
JP2003335870A (ja) | 光学部品 | |
WO2021065217A1 (ja) | 熱硬化性樹脂組成物、成形体及びランプリフレクター | |
JP2008047288A (ja) | 光学部品 | |
JP2003001646A (ja) | 微細加工面の転写方法及び光学部品 | |
EP4036182A1 (en) | Antireflection structure, substrate with antireflection structure, camera module, and information terminal device | |
TW200540864A (en) | Method for producing a multilayer storage media | |
JP2007058240A5 (ja) | ||
JP2006171059A (ja) | 光反射鏡、その製造方法およびプロジェクター | |
JP2000322771A (ja) | 光学記録媒体、光学記録媒体の製造方法、および、光学記録媒体の製造装置 | |
JP2001312841A (ja) | 光ディスクの製造方法及び光ディスク | |
JP2004355733A (ja) | 光記録媒体 | |
CN1209765C (zh) | 只读光盘扫描投影复制方法及装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2005504989 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10544728 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase | ||
WWP | Wipo information: published in national office |
Ref document number: 10544728 Country of ref document: US |