WO2016052159A1 - Procédé de production de lentilles en verre de chalcogénure - Google Patents
Procédé de production de lentilles en verre de chalcogénure Download PDFInfo
- Publication number
- WO2016052159A1 WO2016052159A1 PCT/JP2015/076018 JP2015076018W WO2016052159A1 WO 2016052159 A1 WO2016052159 A1 WO 2016052159A1 JP 2015076018 W JP2015076018 W JP 2015076018W WO 2016052159 A1 WO2016052159 A1 WO 2016052159A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chalcogenide glass
- glass material
- lens
- molding die
- softened
- Prior art date
Links
- 239000005387 chalcogenide glass Substances 0.000 title claims abstract description 131
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 59
- 238000000465 moulding Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 31
- 239000007924 injection Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 12
- 238000001746 injection moulding Methods 0.000 claims description 11
- 239000011669 selenium Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052711 selenium Inorganic materials 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 229910052714 tellurium Inorganic materials 0.000 claims description 4
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 1
- 238000002834 transmittance Methods 0.000 abstract description 15
- 238000001125 extrusion Methods 0.000 abstract 3
- 210000001364 upper extremity Anatomy 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 21
- 239000011521 glass Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000003708 ampul Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000005498 polishing Methods 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- 238000010583 slow cooling Methods 0.000 description 4
- 229910052798 chalcogen Inorganic materials 0.000 description 3
- 150000001787 chalcogens Chemical class 0.000 description 3
- 230000005499 meniscus Effects 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Images
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
- C03C3/32—Non-oxide glass compositions, e.g. binary or ternary halides, sulfides or nitrides of germanium, selenium or tellurium
- C03C3/321—Chalcogenide glasses, e.g. containing S, Se, Te
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/02—Other methods of shaping glass by casting molten glass, e.g. injection moulding
-
- 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
- C03C4/10—Compositions for glass with special properties for infrared transmitting glass
Definitions
- the present invention relates to a method for manufacturing a chalcogenide glass lens.
- Chalcogenide glass is known as a material that transmits visible light and can transmit infrared light up to a long wavelength range.
- chalcogenide glass has been widely used as an in-vehicle sensor module for thermography and accident prevention.
- chalcogenide glass is formed in a lens shape and used as an infrared transmissive lens.
- the chalcogenide glass lens needs to be transmitted to the infrared region on the long wavelength side as much as possible.
- the transmittance in the infrared region can also be influenced by the method of forming the chalcogenide glass lens. For this reason, the formation method of the chalcogenide glass lens which can permeate
- JP-A-5-330832 and JP-2012-201523 disclose a method in which a cylindrical chalcogenide glass is cut into a thin piece, or a glass piece crushed from chalcogenide glass is placed in a molding die to form a lens. Is disclosed.
- an object of the present invention is to provide a method for producing a chalcogenide glass lens that can easily mold a chalcogenide glass lens and has excellent transmittance in the infrared region.
- a method for producing a chalcogenide glass lens comprising a step of injection molding a softened chalcogenide glass material into a lens shape.
- the chalcogenide glass material is mounted in a syringe having an injection nozzle at the tip, and the chalcogenide glass material is softened by heating the injection nozzle and the vicinity thereof, and the softened chalcogenide glass material is formed into a lens-shaped cavity.
- the manufacturing method of [1] which has the process of inject
- the chalcogenide glass material is rod-shaped, and when heating the rod-shaped chalcogenide glass material in the syringe, the end of the rod-shaped chalcogenide glass material opposite to the injection nozzle is not softened, [2] The manufacturing method according to [2], wherein the rod-shaped chalcogenide glass material is injected into the molding die by pushing the opposite end portion toward the injection nozzle. [4] The method of [2] or [3], wherein the temperature of the molding die is controlled by connecting the molding die to a cooling furnace. [5] The production method of [1] to [4], wherein the chalcogenide glass material contains at least one selected from the group consisting of sulfur, selenium, and tellurium.
- a chalcogenide glass lens can be easily formed.
- the chalcogenide glass lens obtained by the production method of the present invention is excellent in transmittance in the infrared region.
- impurities are hardly mixed in the manufacturing process, and it is difficult to contact oxygen in the air, so that the chalcogenide glass is not easily oxidized.
- the use of a slow cooling furnace hardly causes distortion on the lens surface.
- the chalcogenide glass refers to a glass in a glass state having three elements of sulfur, selenium, and tellurium of the periodic table 6B called chalcogen as one of main components.
- the chalcogenide glass may contain germanium, arsenic, antimony, silicon and the like in addition to the above three elements. Typically, 50 wt% or more of chalcogen is contained. Excellent transmittance in the visible to infrared region.
- chalcogenide glass has a low softening point (200 to 500 ° C.) and can be molded at a low temperature.
- the substance used for the chalcogenide glass preferably contains as little oxide as possible from the viewpoint of improving the transmittance in the infrared region.
- the chalcogenide glass lens produced in the present invention is formed by forming a chalcogenide glass so that the chalcogenide glass is an optical path.
- a chalcogenide glass is called a chalcogenide glass material as a concept of any shape, and a lens formed in a lens shape is called a chalcogenide glass lens.
- the chalcogenide glass material is preferably amorphous so that it is not oxidized as much as possible and is not crystallized as much as possible.
- a rod-shaped material (so-called glass ingot) is suitably used as the chalcogenide glass material before processing into a lens shape.
- FIG. 1 is a partially transparent schematic cross-sectional view of injection molding in the manufacturing method of the present invention.
- a chalcogenide glass material is formed into a lens shape by injection molding.
- Injection molding is a method of obtaining a molded product by injecting a softened material into a molding die and cooling and solidifying it.
- the chalcogenide glass material is heated and softened, and is injected into a molding die at a temperature (softening point) at which it begins to deform.
- the chalcogenide glass material 1 is mounted in a syringe 2 having an injection nozzle 5 at the tip, and the injection nozzle 5 and its vicinity are heated by a heater 3 or the like.
- the chalcogenide glass material 1 is softened, and the softened chalcogenide glass material 1 is injected into a molding die 6 having a lens-shaped cavity.
- the chalcogenide glass material 1 in the syringe 2 is depicted so as to be seen through.
- the softening point of chalcogenide glass materials varies depending on the composition.
- the softening point of chalcogenide glass is approximately 200 to 500 ° C., which is extremely low compared to other optical glass materials.
- the temperature at which the chalcogenide glass material is heated during injection molding is preferably closer to the softening point of the glass. The higher the temperature, the lower the viscosity of the glass, making it easier to handle.
- gas may be generated from the chalcogenide glass, which is not suitable for precise molding. It is preferable to heat and mold at as low a temperature as possible (temperature near the softening point).
- the chalcogenide glass material 1 is usually heated in a syringe 2 equipped with an injection nozzle 5.
- the injection nozzle 5 of the syringe may be closed or open.
- the shape of the chalcogenide glass material is not particularly limited, and is preferably a rod shape.
- a chalcogenide glass lens can be continuously molded by attaching the rod-shaped chalcogenide glass material 1 to the syringe 2 and softening the chalcogenide glass material 1 in the vicinity of the injection nozzle 5.
- a blanker 4 as shown may be used.
- the heating of the chalcogenide glass material 1 is performed at a temperature close to the softening point of the chalcogenide glass at and around the injection nozzle 5.
- the softened chalcogenide glass material 1 is injected into the molding die 6.
- the injection port of the injection nozzle 5 is closed, the softened chalcogenide glass material 1 is enclosed in the syringe 2.
- the softened chalcogenide glass material 1 can be injected into the molding die 6.
- the chalcogenide glass material 1 softened by continuously applying pressure to the chalcogenide glass material 1 is continuously injected from the syringe 2 into the molding die 6. be able to.
- the form of the molding die 6 is not particularly limited, and usually has an upper die and a lower die, and a lens-shaped cavity is formed between the upper die and the lower die.
- the injection port of the injection nozzle 5 may be directed between the upper mold and the lower mold or toward the lower mold.
- the softened chalcogenide glass material 1 can be injected while the upper mold and the lower mold are clamped.
- a chalcogenide glass lens 1 can be formed by injecting a certain amount of the softened chalcogenide glass material 1 into the lower mold with the upper mold removed, and then fitting the upper mold. .
- the chalcogenide glass material injected into the molding die may be cooled naturally or may be cooled while controlling the temperature of the molding die 6.
- the molding die 6 is put in a decooling furnace 7, and firstly heated to a temperature at which the molding die 6 is dissolved and then slowly cooled.
- solidification during the injection can be prevented.
- the chalcogenide glass lens with less distortion can be obtained by gradually cooling while controlling the temperature of the molding die 6.
- the chalcogenide glass is not in contact with oxygen in the air as much as possible when the temperature is high.
- the chalcogenide glass is in contact with oxygen in the air at a high temperature, the chalcogenide glass is likely to be oxidized and become an oxide, so that the transparency in the infrared region tends to decrease.
- the production method of the present invention in order to more efficiently prevent the oxidation of the chalcogenide glass, it is preferably performed in an environment having a low oxygen partial pressure, such as an inert gas atmosphere or a vacuum atmosphere.
- a low oxygen partial pressure such as an inert gas atmosphere or a vacuum atmosphere.
- implementation in a vacuum atmosphere is more preferable from an economical point of view.
- the chalcogenide glass lens is preferably made of an amorphous material. Crystallization of the chalcogenide glass is not preferable for the refractive index of the chalcogenide glass lens. According to the production method of the present invention, the chalcogenide glass is difficult to crystallize, and a lens made of amorphous chalcogenide glass can be easily obtained.
- the chalcogenide glass lens preferably exhibits a high transmittance in a wide wavelength region from the visible region to the infrared region.
- the transmittance of a lens tends to decrease as the wavelength is increased from visible light.
- the longest wavelength exhibiting a transmittance of 50% or more is preferably 12 ⁇ m or more, and particularly preferably 12.5 ⁇ m.
- the chalcogenide glass lens obtained by the production method of the present invention may be used as it is, or the lens surface may be polished. By polishing, a more precise chalcogenide glass lens can be formed.
- An antireflection film may be disposed on the surface of the chalcogenide glass lens. By disposing an antireflection film, reflection of light can be prevented and a higher transmittance can be obtained.
- chalcogenide glass ingot (rod-shaped) A rod-shaped (round bar-shaped) ingot was manufactured as a chalcogenide glass material.
- the composition of the chalcogenide glass lens is as follows. The number is atomic%. (1) Composition 1: Ge 22 As 20 Se 58 (2) Composition 2: Ge 8 Sb 31 Se 61 (3) Composition 3: As 40 Se 60
- Composition 1 is for Example 1, Comparative Examples 1 and 2, Composition 2 is for Example 2, Comparative Examples 3 and 4, and Composition 3 is for Example 3, Comparative Examples 5 and 6. , using. Specific processing of Examples and Comparative Examples will be described later.
- the manufacturing method of the compositions 1 and 2 is as follows.
- the raw materials of the above components were weighed so as to have the target composition, placed in a quartz glass ampoule, and vacuum sealed. Thereafter, the sealed quartz ampule was placed in an electric furnace, heated from room temperature to 650 ° C. at 10 ° C./min, and held for 2 hours. Thereafter, the temperature was raised to 1000 ° C. at 10 ° C./min and held for 10 hours. Thereafter, the quartz ampule was taken out and quenched with cold water. After quenching, annealing was performed by placing in a 300 ° C. furnace for 9 hours. Thus, a rod-shaped (round bar) glass ingot (rod-shaped) having a diameter of 40 mm and a length of 300 mm was obtained.
- the manufacturing method of the composition 3 is as follows.
- the raw materials of the above components were weighed so as to have the target composition, placed in a quartz glass ampoule, and vacuum sealed. Thereafter, the sealed quartz ampule was placed in an electric furnace, heated from room temperature to 300 ° C. at 10 ° C./min, and held for 2 hours. Thereafter, the temperature was raised to 650 ° C. at 10 ° C./min, and held for 6 hours. Thereafter, the quartz ampule was taken out and quenched with cold water. After quenching, annealing was performed by placing in a furnace at 200 ° C. for 6 hours. Thus, a rod-shaped (round bar) glass ingot (rod-shaped) having a diameter of 40 mm and a length of 300 mm was obtained.
- Example 1 A chalcogenide glass lens was produced from a chalcogenide glass ingot (composition 1) by injection molding schematically shown in FIG.
- the heating temperature in the heater 3 was 360 ° C., and the end of the ingot opposite to the injection nozzle 5 was not heated and was kept solid.
- the chalcogenide glass material softened in the vicinity of the injection nozzle 5 was injected into the molding die 6 by pushing the end opposite to the injection nozzle 5 with the plunger 4. After injection into the mold 6, the temperature was lowered to room temperature over 6 hours using a slow cooling furnace 7. As a result, a meniscus chalcogenide glass lens having a diameter of 40 mm, an opposing curvature radius of 5 mm, and a thickness of 2.5 mm was obtained.
- Comparative Example 1 A chalcogenide glass ingot (Composition 1) was cut to a thickness of 3.0 mm and polished to obtain a meniscus chalcogenide glass lens having a diameter of 7 mm, an opposing curvature radius of 5 mm, and a thickness of 2.5 mm.
- Comparative Example 2 A chalcogenide glass ingot (Composition 1) is cut to a thickness of 3.0 mm, and a preform is produced by using a preform molding die as described in JP 2012-201523 A. By pressing the preform, a meniscus chalcogenide glass lens having a diameter of 7 mm, an opposing curvature radius of 5 mm, and a thickness of 2.5 mm was obtained.
- Example 2 A chalcogenide glass lens was obtained in the same manner as in Example 1 except that the ingot of the chalcogenide glass was the composition 2 and the heating temperature in the heater 3 was 380 ° C.
- Comparative Example 4 A chalcogenide glass lens was obtained in the same manner as in Comparative Example 2 except that the ingot of the chalcogenide glass used was the composition 2.
- Example 3 Example 1 except that the ingot of the composition 3 was used as the chalcogenide glass ingot, the heating temperature in the heater 3 was 230 ° C., and the temperature was lowered to room temperature over 4 hours using the slow cooling furnace 7 after injection. In the same manner, a chalcogenide glass lens was obtained.
- Example 1 12.8 ⁇ m Comparative Example 1: 11.1 ⁇ m Comparative Example 2: 10.9 ⁇ m Example 2: 12.6 ⁇ m Comparative Example 3: 11.0 ⁇ m Comparative Example 4: 10.8 ⁇ m Example 3: 12.4 ⁇ m Comparative Example 5: 10.8 ⁇ m Comparative Example 6: 10.6 ⁇ m
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Abstract
La présente invention concerne un procédé de production permettant d'obtenir facilement une lentille en verre de chalcogénure ayant une excellente transmission dans la région infrarouge. Ce procédé de production comporte une étape de formage par extrusion d'un matériau en verre de chalcogénure (1) ramolli en une forme de lentille, en ajustant de préférence le matériau en verre de chalcogénure (1) à l'intérieur d'une seringue (2) équipée d'une buse d'extrusion (5) au niveau de l'extrémité avant de celle-ci, en chauffant la buse d'extrusion (5) et le voisinage de celle-ci, ce qui permet de ramollir le matériau en verre de chalcogénure (1), et d'extruder le matériau en verre de chalcogénure (1) ramolli dans une matrice de moulage (6) ayant une cavité en forme de lentille.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016551894A JPWO2016052159A1 (ja) | 2014-09-30 | 2015-09-14 | カルコゲナイドガラスレンズの製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014200396 | 2014-09-30 | ||
JP2014-200396 | 2014-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016052159A1 true WO2016052159A1 (fr) | 2016-04-07 |
Family
ID=55630201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/076018 WO2016052159A1 (fr) | 2014-09-30 | 2015-09-14 | Procédé de production de lentilles en verre de chalcogénure |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPWO2016052159A1 (fr) |
WO (1) | WO2016052159A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018017406A1 (fr) * | 2016-07-18 | 2018-01-25 | Corning Incorporated | Utilisation de verres de chalcogénure exempts d'arsenic servant à une transformation à chaud |
KR20210083424A (ko) * | 2019-12-26 | 2021-07-07 | 주식회사 에이치엠오 | 칼코게나이드 잉곳 제조 방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06279040A (ja) * | 1993-03-29 | 1994-10-04 | Japan Steel Works Ltd:The | 低融点ガラスの成形方法及び低融点ガラス成形品 |
JPH10101347A (ja) * | 1996-09-24 | 1998-04-21 | Fuji Photo Optical Co Ltd | 光学部品の射出成形装置及び射出成形方法 |
JPH10101362A (ja) * | 1996-09-30 | 1998-04-21 | Fuji Photo Optical Co Ltd | ロッド状光学ガラス |
US20030007203A1 (en) * | 2001-04-12 | 2003-01-09 | Max Amon | IR lens from moldable infrared material |
JP2006290738A (ja) * | 2005-04-13 | 2006-10-26 | Corning Inc | 低粘度押出成形および射出成形のためのカルコゲナイドガラス |
-
2015
- 2015-09-14 WO PCT/JP2015/076018 patent/WO2016052159A1/fr active Application Filing
- 2015-09-14 JP JP2016551894A patent/JPWO2016052159A1/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06279040A (ja) * | 1993-03-29 | 1994-10-04 | Japan Steel Works Ltd:The | 低融点ガラスの成形方法及び低融点ガラス成形品 |
JPH10101347A (ja) * | 1996-09-24 | 1998-04-21 | Fuji Photo Optical Co Ltd | 光学部品の射出成形装置及び射出成形方法 |
JPH10101362A (ja) * | 1996-09-30 | 1998-04-21 | Fuji Photo Optical Co Ltd | ロッド状光学ガラス |
US20030007203A1 (en) * | 2001-04-12 | 2003-01-09 | Max Amon | IR lens from moldable infrared material |
JP2006290738A (ja) * | 2005-04-13 | 2006-10-26 | Corning Inc | 低粘度押出成形および射出成形のためのカルコゲナイドガラス |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018017406A1 (fr) * | 2016-07-18 | 2018-01-25 | Corning Incorporated | Utilisation de verres de chalcogénure exempts d'arsenic servant à une transformation à chaud |
US10519061B2 (en) | 2016-07-18 | 2019-12-31 | Corning Incorporated | Use of arsenic-free chalcogenide glasses for hot-melt processing |
KR20210083424A (ko) * | 2019-12-26 | 2021-07-07 | 주식회사 에이치엠오 | 칼코게나이드 잉곳 제조 방법 |
KR102283586B1 (ko) * | 2019-12-26 | 2021-07-30 | 주식회사 에이치엠오 | 칼코게나이드 잉곳 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2016052159A1 (ja) | 2017-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2119682B1 (fr) | Verre optique, préforme de formage à la presse et leur procédé de production | |
TWI411590B (zh) | 光學玻璃、加壓成形用預成形物、和該製造方法、及光學元件和該製造方法 | |
KR101026091B1 (ko) | 광학유리, 정밀 프레스성형용 프리폼, 그 프리폼의제조방법, 광학소자 및 그 광학소자의 제조방법 | |
TWI422550B (zh) | 磷酸鹽玻璃,氟磷酸鹽玻璃,精密衝壓成形用預成形體,光學元件及其各自的製造方法 | |
KR101148808B1 (ko) | 광학 유리, 정밀 프레스-성형용 프리폼과 그의 제조 방법,및 광학 소자와 그의 제조 방법 | |
KR101478831B1 (ko) | 광학 유리, 정밀 프레스 성형용 프리폼 및 그의 제조 방법,광학 소자 및 그의 제조 방법 | |
CN101274814A (zh) | 玻璃的制造方法、精密模压成形用预成形件和光学元件 | |
WO2017168939A1 (fr) | Verre, procédé de production de verre et élément optique | |
KR20130117784A (ko) | 강화된 유리 봉입부 및 방법 | |
WO2016052159A1 (fr) | Procédé de production de lentilles en verre de chalcogénure | |
KR20060051179A (ko) | 정밀 성형 공정에서 무연 인산염을 포함하는 유리의 이용 | |
JP4855800B2 (ja) | ガラス光学素子の製造方法 | |
JP2010265164A5 (fr) | ||
JP2016150887A (ja) | カルコゲナイドガラス製光学素子の製造方法 | |
JP5696350B2 (ja) | ガラス成形体の製造方法 | |
US11155487B2 (en) | Method for manufacturing infrared-transmissible lens, infrared-transmissible lens, and infrared camera | |
CN109704568B (zh) | 光学玻璃、光学元件、光学仪器和制造光学玻璃的方法 | |
JP4846362B2 (ja) | ガラス光学素子の製造方法 | |
JP7250434B6 (ja) | 光学ガラス、光学素子、光学機器、光学ガラスの製造方法および光学素子の製造方法 | |
JP5480568B2 (ja) | ガラス製品の製造方法及びガラス製品 | |
JP4692500B2 (ja) | 光学ガラス素子の製造方法及びガラス成形品の屈折率の微調整方法 | |
JP2019521069A (ja) | ホットメルト加工のためのヒ素を含まないカルコゲナイドガラスの使用 | |
WO2015137457A1 (fr) | Procédé de fabrication d'élément optique | |
JP2019196296A5 (ja) | 光学ガラス、光学素子、光学機器、光学ガラスの製造方法および光学素子の製造方法 | |
JP2014031285A (ja) | 光学ガラス |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15845893 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016551894 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15845893 Country of ref document: EP Kind code of ref document: A1 |