WO2003034106A1 - Element optique et procede de production de cet element, filtre passe bande, filtre de coupure des ondes proche infrarouge et film anti-reflexion - Google Patents
Element optique et procede de production de cet element, filtre passe bande, filtre de coupure des ondes proche infrarouge et film anti-reflexion Download PDFInfo
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- WO2003034106A1 WO2003034106A1 PCT/JP2002/010826 JP0210826W WO03034106A1 WO 2003034106 A1 WO2003034106 A1 WO 2003034106A1 JP 0210826 W JP0210826 W JP 0210826W WO 03034106 A1 WO03034106 A1 WO 03034106A1
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- Prior art keywords
- index film
- refractive
- optical element
- film
- low
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- 230000003287 optical effect Effects 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000004544 sputter deposition Methods 0.000 claims abstract description 54
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 20
- 238000002834 transmittance Methods 0.000 claims description 16
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 7
- 229910004012 SiCx Inorganic materials 0.000 claims description 6
- 229910004205 SiNX Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 229910020286 SiOxNy Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 150000003377 silicon compounds Chemical class 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 description 116
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 24
- 239000000463 material Substances 0.000 description 20
- 239000011521 glass Substances 0.000 description 16
- 229910052786 argon Inorganic materials 0.000 description 12
- 239000013077 target material Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000000151 deposition Methods 0.000 description 9
- 230000008021 deposition Effects 0.000 description 9
- 229910001882 dioxygen Inorganic materials 0.000 description 9
- 150000001722 carbon compounds Chemical class 0.000 description 5
- 238000005245 sintering Methods 0.000 description 4
- 229910018540 Si C Inorganic materials 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- -1 polyethylene, ethylene monobutyl acetate copolymer Polymers 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000009125 cardiac resynchronization therapy Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/281—Interference filters designed for the infrared light
- G02B5/282—Interference filters designed for the infrared light reflecting for infrared and transparent for visible light, e.g. heat reflectors, laser protection
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0635—Carbides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/083—Oxides of refractory metals or yttrium
-
- 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
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/281—Interference filters designed for the infrared light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/285—Interference filters comprising deposited thin solid films
Definitions
- the present invention is used for a band-pass filter suitably used for an optical fiber or the like, a near-infrared power filter suitably provided for a front filter of a plasma display or the like, and an antireflection film suitably installed for various displays.
- the present invention relates to an optical element in which a low-refractive-index film and a high-refractive-index film are alternately laminated, and a method for producing the same.
- a bandpass filter for controlling the wavelength of light passing through an optical fiber a near-infrared cut filter for a plasma display panel (PDP), or suppression of external light reflection on the display surface to improve visibility
- optical elements such as an antireflection film provided on the surface are conventionally manufactured by alternately laminating high-refractive-index materials and low-refractive-index materials.
- a bandpass filter is intended to transmit light in a specific wavelength range by alternately stacking high-refractive-index materials and low-refractive-index materials.
- a laminate of a MgF 2, S i O 2, T I_ ⁇ second transparent film on a substrate is known.
- the near-infrared cut filter is provided on the front surface of the plasma display panel (PDP) as described above, or is used as an energy-saving film. That is, a plasma display panel (PDP) emits near-infrared light with a wavelength of 850 to 1200 nm, but remote controllers such as home appliances used in homes use near-infrared light of 700 to 1300 nm. Therefore, there is a problem that the near-infrared ray emitted from the PDP malfunctions the remote controller. For this reason, near infrared light that may cause malfunctions A filter to cut the line is installed.
- near-infrared cut filters are used as windows for automobiles and buildings using the property of cutting off the near-infrared rays of sunlight, and are also used as energy-saving films to improve cooling efficiency in summer. Have been.
- a near-infrared cut filter a filter in which a high-refractive index material such as silver or indium oxide and a silver-based material are alternately laminated on a base material is known (Japanese Patent Application Laid-Open No. H12-169679). No. 9).
- T i 0 2 high refractive index material such as, those obtained by laminating a transparent film of S i 0 2, Z n low refractive index material such as O on the organic film is known ( Japanese Unexamined Patent Publication No. Hei 11-142,603 and Japanese Unexamined Patent Publication No. Hei 12-206,063).
- the optical elements used for the band-pass filter, the near-infrared cut filter, the anti-reflection film, the anti-reflection film, and the like are all composed of a low refractive index film and a high refractive index film on a transparent substrate such as glass. Are alternately laminated.
- a sputtering method is generally used as a method for laminating such a high refractive material and a low refractive material. This method is widely used because it can form a uniform thin layer on the nano-order with a large area.
- the purpose of the invention is to apply high power to the target and to form a film at high speed. It is an object of the present invention to provide an optical element such as an optical filter which can be manufactured with high productivity.
- Another object of the present invention is to provide a highly productive bandpass filter capable of applying high power to a target and capable of forming a film at high speed.
- Another object of the present invention is to provide a manufacturing method capable of advantageously obtaining the optics.
- the present invention provides an optical filter in which a low refractive index film and a high refractive index film are alternately laminated on a substrate, wherein the low refractive index film uses conductive silicon carbide as a target, and the high refractive index film An optical element characterized by being formed by sputtering using conductive titanium oxide as a target.
- the low refractive index film is made of a compound containing S i and at least one atom selected from the group consisting of C, 0, and N
- the high refractive index film is made of T i and O
- the low-refractive-index film is composed of SiC x, SiO x, Si N x, Si C x ⁇ y, Si C x N y, Si O x N y and Si C x O y N z
- a silicon compound selected from the group consisting of the following compounds (provided that X is 0.1 to 3, y is 0.1 to 3, and z is 0. It is preferable that T i O t (where t is 0.1 to 3) is used.
- the above optical element is a method for manufacturing an optical element comprising alternately laminating a low refractive index film and a high refractive index film, wherein the low refractive index film is formed by a sputtering method using conductive silicon carbide as a target.
- An optical filter can be advantageously obtained by a method for producing an optical filter, wherein a high refractive index film is formed by a sputtering method using conductive titanium oxide as a target.
- the sputtering method is preferably a magnetron nottering method, particularly a dual force sword magnetron sputtering method.
- the refractive index film is preferably formed in a mixed gas atmosphere of an inert gas and a reactive gas.
- the reactive gas is preferably a gas containing oxygen in the molecule.
- the low refractive index film is made of a silicon compound selected from the group consisting of SiCx, SiOx, SiNx, SiCxOy, SiCxNy, SiOxNy, SiCxOyNz ( ⁇ , X Is 0.1 to 3, y is 0.1 to 3 and z is 0.1 to 3), and the high refractive index film is composed of T i O t (where t is 0.:! To 3). preferable.
- the density of the above-mentioned silicon carbide target is preferably 2.9 g / cm 3 or more.
- the silicon carbide target is preferably obtained by sintering a mixture of silicon carbide powder and a nonmetallic sintering aid.
- the carbon compound does not deposit in the vacuum chamber and does not mix into the transparent conductive film being formed.
- the carbon compound is gasified during the sputtering, the gas is exhausted to the outside of the vacuum chamber, so that the carbon compound does not deposit in the vacuum chamber but mixes into the transparent conductive film being formed. It is preferable not to do so.
- the present invention provides an optical filter comprising a low refractive index film and a high refractive index film alternately laminated on a substrate, wherein the low refractive index film is composed of SiCx, SiNx, SiCxOy, SiCxNy. , S i OxNy, S i C x O y N z (where X is 0.1 to 3, y is 0.1 to 3, and z is 0 1 to 3), and the high-refractive-index film is also an optical element composed of Tiot (where t represents 0.1 to 3).
- the low refractive index film is preferably made of SiCxOy.
- the present invention also resides in a bandpass filter comprising the above-described optical element of the present invention.
- This filter preferably has a light transmittance of 50% or more in the wavelength range of 560 to 620 nm.
- light having a wavelength of less than 56 Onm especially light having a wavelength of less than 56 Onm and 550 nm or more
- light having a wavelength of more than 620 nm particularly light having a wavelength of more than 620 nm and a wavelength of 640 nm or less
- the present invention also resides in a near-infrared cut-finer comprising the optical element of the present invention described above.
- This finoletter preferably has a light transmittance of 50% or less in the wavelength range of 900 to 110 nm.
- the transmittance of light in the wavelength range of 850 to 1150 nm is 50% or less, and the light of 700 nm or less (especially, 700 nm or less, 400 nm or more It is preferable that the transmittance of light having a wavelength of 50 ° / 0 or more.
- the near-infrared power filter can be advantageously used as a plasma display front filter and a film for energy saving.
- the present invention also resides in an antireflection film comprising the optical element of the present invention described above. It is preferable that the prevention film prevents reflection of light having a wavelength of 380 to 780 nm. Further, the reflectance is preferably 10% or less. It is preferable that the antireflection device be installed on a display. [Brief description of drawings]
- FIG. 1 is a sectional view showing an example of the bandpass filter of the present invention.
- FIG. 2 is a sectional view showing an example of the near-infrared cut filter of the present invention.
- FIG. 3 is a sectional view showing an example of the antireflection film of the present invention.
- FIG. 4 is a graph showing the reflectance (R) and the transmittance (T) of the bandpass filter of the first embodiment.
- FIG. 5 is a graph showing the reflectance (R) and the transmittance (T) of the near-infrared cut filter of Example 2.
- FIG. 6 is a graph showing the reflectance (R) and the transmittance (T) of the near-infrared cut filter of Example 3.
- FIG. 7 is a graph showing the reflectance of the antireflection film of Example 4. [Detailed description of the invention]
- a band-pass filter transmits only light in a specific wavelength range.
- FIG. 1 is a sectional view showing an example of the structure of a bandpass filter according to the present invention.
- the bandpass filter 1 of the present invention has a basic configuration in which low-refractive-index films 2 and high-refractive-index films 3 are alternately stacked on a substrate 1.
- the low refractive index film is formed by a sputtering method using conductive silicon carbide as a target. As a result, high power can be applied without breaking the target.
- the high refractive index film is formed by a sputtering method using conductive titanium oxide as a target. Therefore, the film forming speed can be further increased.
- the thickness of each layer may not be the same, and is arbitrarily designed according to required characteristics.
- the thickness and the number of layers of the laminate of the low-refractive-index film and the high-refractive-index film are arbitrarily designed so as to have characteristics required as a bandpass filter.
- the first layer T i Ot film thickness 58. lnm
- the second layer S i CxOy 101. l nm
- the third layer T i ⁇ t 58. l nm
- the fourth layer S i CxOy 101. l nm
- fifth layer T i Ot 58. l nm
- sixth layer S i CxOy 101. l nm
- seventh layer T i O t 58.
- near-infrared light refers to light having a wavelength equal to or longer than the wavelength of visible light, that is, equal to or longer than 760 nm and equal to or shorter than 2500 nm.
- the near-infrared cut filter of the present invention does not need to reflect all near-infrared rays, and the transmittance of the near-infrared rays emitted by the PDP, that is, near-infrared rays from about 850 nm to at least about 1200 nm, is low. What is necessary is just 50% or less.
- the transmittance of light in the wavelength range of 900 to 110 Onm preferably the light in the wavelength range of 850 to 1150 nm is 50% or less, and the transmittance at a wavelength of 700 nm or less. Is preferably 50% or more.
- FIG. 2 shows a cross-sectional view of an example of the structure of the near-infrared cut filter according to the present invention.
- the near-infrared cut filter 1 of the present invention has a basic configuration in which low refractive index films 2 and high refractive index films 3 are alternately laminated on a substrate 1.
- the low refractive index film is formed by a sputtering method using conductive silicon carbide as a target. Thereby, high power can be applied without breaking the target.
- the high refractive index film is formed by a sputtering method using conductive titanium oxide as a target. Therefore, the film forming speed can be further increased.
- the thickness and the number of layers of the laminate of the low-refractive-index film and the high-refractive-index film are arbitrarily designed so as to have the characteristics required as a near-infrared cut filter.
- the first layer S i C xOy film thickness 171.1 nm
- the second layer T i O t (l O Onm)
- the third layer S i CxOy (171.1 nm)
- the fourth layer T i O t (lOO nm)
- sixth layer T i O t 100 nm
- FIG. 3 shows a cross-sectional view of an example of the structure of the antireflection film according to the present invention.
- the antireflection film of the present invention has a basic configuration in which low refractive index films 2 and high refractive index films 3 are alternately laminated on a substrate 1.
- the low refractive index film is formed by a sputtering method using conductive silicon carbide as a target.
- the high refractive index film is formed by a sputtering method using conductive titanium oxide as a target. For this reason, the deposition rate can be further increased.
- the thickness and number of layers of the low-refractive-index film and high-refractive-index film laminate are arbitrarily designed to have the characteristics required for an anti-reflection film.
- an antireflection film for visible light can be obtained. It is preferable to prevent reflection of light having a wavelength of 380 to 780 nm. In particular, the light reflectance in this range is preferably 10% or less.
- the material of the substrate (generally a transparent substrate) on which the sputtering of the present invention is carried out is made of glass; , Polysalt ⁇ (Dani vinylidene, polyethylene, ethylene monobutyl acetate copolymer, polybutyl butyral, metal ion cross-linked ethylene
- the thickness of the substrate may be any thickness that does not hinder the transparency, and is generally 150 to 200 / m for PET.
- a hard coat When PET is used as a substrate, a hard coat may be laminated thereon to protect the substrate surface, and its thickness is generally 4 to 6 ⁇ .
- the hard coat material include acrylic resin, epoxy resin, urethane resin, and silicone resin.
- the low refractive index film 2 is a film formed by sputtering using conductive silicon carbide as a target.
- the low refractive index film is generally made of a compound containing Si and at least one atom selected from the group consisting of C, 0, and N.
- Preferred low refractive index films are selected from the group consisting of SiCx, SiOx, SiNx, SiCxOy, SiCxNy, SiOxNy, SiCxOyNz. (Where X is 0.1 to 3, preferably 0.5 to 2.5, y is 0.1 to 3, preferably 0.5 to 2.5, and z force is 0.1) ⁇ 3, preferably 0.5 to 2,5).
- the high refractive index film 3 is obtained by sputtering using conductive titanium oxide as a target.
- the high refractive index film is made of a compound containing Ti and O.
- the high refractive index film is T i O t (where t is 0.1 to 3, preferably 0.5 to 2. 5).
- the conductive titanium oxide target generally means a target having a specific volume resistivity of 2 ⁇ ⁇ ⁇ ⁇ cm or less.
- a conductive silicon carbide target generally means a target having a volume resistivity value of 2E-1 2 ⁇ ⁇ cm or less.
- the conductive silicon carbide target is obtained by sintering silicon carbide powder with a nonmetallic sintering aid such as coal tar pitch, phenolic resin, furan resin, epoxy resin, gnorecose, sucrose, cellulose, and starch.
- a nonmetallic sintering aid such as coal tar pitch, phenolic resin, furan resin, epoxy resin, gnorecose, sucrose, cellulose, and starch.
- the obtained one has a density of 2.9 g / cm 3 or more.
- the carbon compound generated from the silicon carbide is gasified in the vacuum chamber 1 and the gas is exhausted out of the vacuum chamber 1 so that the gas in the vacuum chamber 1 is
- This has the advantage that no carbon compound is deposited on the surface and does not enter the optical elements during film formation.
- a magnetron sputtering method is preferable.
- a dual-force sword type magnetron sputtering method can also be used, whereby a film can be formed at a higher speed.
- Sputtering conditions such as supply gas, supply gas flow rate, pressure, and supply power can be arbitrarily set in consideration of a target to be used, a deposition rate, and the like.
- a magnetron sputtering device is used as a sputtering device, glass is used as a substrate, conductive titanium oxide (manufactured by Asahi Glass, resistance value 2Ecm) is used as a target material, and argon is used as a supply gas.
- the sputtering was performed under the conditions of 10 cc Z, a pressure of 5 mTorr, and a supply power of 1.2 kW.
- the low-refractive-index film is formed using a magnetron sputtering apparatus as a sputtering apparatus, glass as a substrate, Si as a target material, and 5 cc / min of argon as a supply gas and 5 c of oxygen gas (; It was performed under sputtering conditions of rr, power supply of 1.2 kW.
- a magnetron sputtering device is used as a sputtering device, glass is used as a substrate, Ti is used as a target material, and 5 cc / min of argon and 5 cc / min of oxygen gas are used as supply gases.
- the sputtering was performed at a pressure of 5 mT 0 rr and a supply power of 1.2 kW.
- Bandpass filters were manufactured with the film configurations and film thicknesses shown in Table 1.
- Fig. 4 shows the optical characteristics of the fabricated filter.
- Example 1 As shown in Table 1, it was found that in Example 1, a 17-layer bandpass filter could be manufactured in about 50 minutes, while in Comparative Example 1, film formation took about 10 hours.
- the low-refractive-index film is formed by using a magnetron sputtering device as a sputtering device, glass as a substrate, and conductive silicon carbide (manufactured by Princeton, with a resistance value of 2E- 2 ⁇ cm) as a target material.
- the sputtering was performed under the following conditions: argon 10 c, oxygen gas 3 cc / min, pressure 5 mTorr, supply power 1.2 kW.
- the high refractive index film is formed by using a magnetron sputtering device as a snow-and-water sputtering device, using glass as a substrate, and a conductive oxide film as a target material. Glass made, the resistance value 2 E- 1 ⁇ ⁇ cm) using argon 10 cc Roh fraction as feed gas pressure 5 mT orr, [pi was performed by supplying power 1. 2 kW of sputtering conditions [Comparative Example 2]
- a magnetron sputtering device is used as a sputtering device, glass is used as a substrate, Si is used as a target material, and 5 cc of argon + 5 cc of oxygen gas and 5 mT of pressure are used as supply gases. orr, supply power: 1.2 kW sputtering conditions.
- a magnetron sputtering apparatus is used as a sputtering apparatus, glass is used as a substrate, Ti is used as a target material, and 5 cc / min of argon and 5 cc of oxygen gas are used as a supply gas.
- the sputtering was performed at a pressure of 5 mT 0 rr and a supply power of 1.2 kW.
- a near-infrared cut filter having the film configuration and thickness shown in Table 2 was prepared.
- Figure 5 shows the optical characteristics of the fabricated filter.
- Example 2 As shown in Table 2, in Example 2, a 14-layer near-infrared power filter can be manufactured in about 53 minutes, whereas in Comparative Example 1, it takes about 10 and a half hours to form a film. I understood. Therefore, it was found that a near-infrared cut filter can be produced at high speed by using the method of the present invention.
- Example 2 Under the same conditions as in Example 2 and Comparative Example 2, a near-infrared cut filter having the film configuration and film thickness shown in Table 3 was produced.
- Figure 6 shows the optical characteristics of the fabricated filter.
- Example 3 As shown in Table 3, in Example 3, a seven-layer near-infrared cut filter can be manufactured in about 30 minutes, whereas in Comparative Example 3, it takes about 5 hours and 50 minutes to form a film. I understood. Therefore, it was found that a near-infrared cut filter can be produced at high speed by using the method of the present invention.
- a magnetron sputtering apparatus using a sputtering apparatus, glass, conductive ⁇ raw hydrocarbon Kei element (Bed Ridjisuton manufactured, the resistance value 2 ⁇ _ 2 ⁇ ⁇ cm) was used as the target material as a base material, Argon as supply gas 10 c
- the test was performed under the sputtering conditions of c min + 3 cc of oxygen gas, pressure of 5 mTorr, and power supply of 1.2 kW.
- a magnetron sputtering apparatus using a sputtering apparatus, glass, conductive acid Ihichitan (Asahi Glass Co., Ltd., the resistance value 2 E _1 Q ⁇ cm) was used as the target material as a base material, the feed gas
- the sputtering was performed under the following conditions: argon 10 cc / min, pressure 5 mTorr, supply power 1.2 kW.
- the low-refractive-index film is formed by using a magnet sputtering apparatus as a sputtering apparatus, glass as a base material, Si as a target material, and a supply gas of 5 cCZ of argon + 5 c of oxygen gas. / Min, the pressure was 5! 11, and the supply power was 1.2 kW.
- a magnetron sputtering apparatus is used as a sputtering apparatus, glass is used as a base material, Ti is used as a target material, and 5 cc / min of argon and 5 cc / min of oxygen gas are used as supply gases.
- the sputtering was performed at a pressure of 5 mTorr and a supply power of 1.2 kW.
- Fig. 7 shows the optical characteristics of the fabricated film.
- the optical element of the present invention is capable of forming a low-refractive-index film and a high-refractive-index film on a substrate at high speed by sputtering using conductive silicon carbide and conductive titanium oxide as targets. Since it can be manufactured in a stable manner, it can be said that it is an optical element with high productivity.
- Such an optical element is useful as a pan-pass filter, a near-infrared cut filter, and an antireflection film.
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Surface Treatment Of Optical Elements (AREA)
- Optical Filters (AREA)
- Physical Vapour Deposition (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/492,847 US20040240093A1 (en) | 2001-10-18 | 2002-10-18 | Optical element and production method therefor, and band pass filter, near infrared cut filter and anti-reflection film |
EP02785927A EP1437609A4 (en) | 2001-10-18 | 2002-10-18 | OPTICAL ELEMENT AND MANUFACTURING METHOD THEREFOR AND BAND PASS FILTER, CLOSE-INFRARED BLOCKING FILTER AND ANTIREFLEX FILM |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-320971 | 2001-10-18 | ||
JP2001320972A JP2003121636A (ja) | 2001-10-18 | 2001-10-18 | 近赤外線カットフィルターおよびその製造方法 |
JP2001-320973 | 2001-10-18 | ||
JP2001320971A JP2003121639A (ja) | 2001-10-18 | 2001-10-18 | バンドパスフィルターおよびその製造方法 |
JP2001320973A JP2003121605A (ja) | 2001-10-18 | 2001-10-18 | 反射防止膜およびその製造方法 |
JP2001-320972 | 2001-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003034106A1 true WO2003034106A1 (fr) | 2003-04-24 |
Family
ID=27347695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/010826 WO2003034106A1 (fr) | 2001-10-18 | 2002-10-18 | Element optique et procede de production de cet element, filtre passe bande, filtre de coupure des ondes proche infrarouge et film anti-reflexion |
Country Status (3)
Country | Link |
---|---|
US (1) | US20040240093A1 (ja) |
EP (1) | EP1437609A4 (ja) |
WO (1) | WO2003034106A1 (ja) |
Cited By (1)
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WO2005059603A1 (fr) * | 2003-12-17 | 2005-06-30 | Essilor International (Compagnie Generale D'optique) | Article d'optique revetu d'un revetement anti-reflets multicouches absorbant dans le visible et procede de fabrication |
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JP4486838B2 (ja) * | 2003-04-25 | 2010-06-23 | 旭硝子株式会社 | 酸化ケイ素膜の製造方法および光学多層膜の製造方法 |
CN1657976A (zh) * | 2004-02-16 | 2005-08-24 | 柯尼卡美能达精密光学株式会社 | 光学元件和光接收装置 |
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US7773300B2 (en) * | 2006-05-12 | 2010-08-10 | Semrock, Inc. | Multiphoton fluorescence filters |
US8958156B1 (en) | 2007-05-30 | 2015-02-17 | Semrock, Inc. | Interference filter for non-zero angle of incidence spectroscopy |
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JP5391629B2 (ja) * | 2008-10-02 | 2014-01-15 | コニカミノルタ株式会社 | レンズ、光学装置及びレンズの製造方法 |
US8879150B1 (en) | 2009-03-20 | 2014-11-04 | Semrock, Inc. | Optical thin-film polarizing bandpass filter |
US8441710B2 (en) * | 2010-01-08 | 2013-05-14 | Semrock, Inc. | Tunable thin-film filter |
JP5413978B2 (ja) | 2010-05-20 | 2014-02-12 | 東海光学株式会社 | プラスチック光学製品及び眼鏡プラスチックレンズ |
JP6202785B2 (ja) * | 2012-05-30 | 2017-09-27 | オリンパス株式会社 | 反射防止膜、光学系、光学機器、及び反射防止膜の成膜方法 |
US9304237B1 (en) | 2012-12-10 | 2016-04-05 | Semrock, Inc. | Tunable band-pass filter |
US9835952B2 (en) * | 2013-03-14 | 2017-12-05 | Taiwan Semiconductor Manufacturing Company, Ltd. | Systems and methods for a narrow band high transmittance interference filter |
WO2015080160A1 (ja) * | 2013-11-26 | 2015-06-04 | ホヤ レンズ タイランド リミテッド | 眼鏡レンズ |
WO2015099671A1 (en) * | 2013-12-23 | 2015-07-02 | Halliburton Energy Services, Inc. | Systems and methods to improve optical spectrum fidelity in integrated computational elements |
WO2017057233A1 (ja) * | 2015-09-30 | 2017-04-06 | 株式会社ニコン | 光学部材、チャンバ、及び光源装置 |
EP3242150B1 (en) * | 2016-05-04 | 2019-01-02 | Essilor International | Optical article comprising an antireflective coating with a high reflection in the near infrared region (nir) |
US11360251B2 (en) * | 2016-07-15 | 2022-06-14 | Toray Industries, Inc. | Film and layered body having specified thickness ratios of thermoplastic layers |
EP4010760A1 (en) * | 2019-08-08 | 2022-06-15 | Essilor International | User wearable optical article, method for producing and eyewear using the same |
CN113900171A (zh) * | 2021-08-05 | 2022-01-07 | 浙江晶驰光电科技有限公司 | 一种近红外双波段带通滤光片及其制备方法 |
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- 2002-10-18 WO PCT/JP2002/010826 patent/WO2003034106A1/ja active Application Filing
- 2002-10-18 US US10/492,847 patent/US20040240093A1/en not_active Abandoned
- 2002-10-18 EP EP02785927A patent/EP1437609A4/en not_active Withdrawn
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EP0852266A1 (en) * | 1995-08-23 | 1998-07-08 | Asahi Glass Company Ltd. | Target, process for production thereof, and method of forming highly refractive film |
EP0992607A1 (en) * | 1998-10-07 | 2000-04-12 | Applied Vision Ltd | Substrate holder |
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WO2005059603A1 (fr) * | 2003-12-17 | 2005-06-30 | Essilor International (Compagnie Generale D'optique) | Article d'optique revetu d'un revetement anti-reflets multicouches absorbant dans le visible et procede de fabrication |
US7736742B2 (en) | 2003-12-17 | 2010-06-15 | Essilor International Compagnie Generale D'optique | Optical article covered with a visible-absorbing, multi-layer anti-reflective coating, and production method thereof |
Also Published As
Publication number | Publication date |
---|---|
EP1437609A4 (en) | 2004-11-17 |
US20040240093A1 (en) | 2004-12-02 |
EP1437609A1 (en) | 2004-07-14 |
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