WO2014033784A1 - 光学フィルターの製造方法 - Google Patents
光学フィルターの製造方法 Download PDFInfo
- Publication number
- WO2014033784A1 WO2014033784A1 PCT/JP2012/005489 JP2012005489W WO2014033784A1 WO 2014033784 A1 WO2014033784 A1 WO 2014033784A1 JP 2012005489 W JP2012005489 W JP 2012005489W WO 2014033784 A1 WO2014033784 A1 WO 2014033784A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- light receiving
- mask
- mask member
- layer
- Prior art date
Links
Images
Classifications
-
- 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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- 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
-
- 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
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/042—Coating on selected surface areas, e.g. using masks using masks
- C23C14/044—Coating on selected surface areas, e.g. using masks using masks using masks to redistribute rather than totally prevent coating, e.g. producing thickness gradient
-
- 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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
Definitions
- the present invention relates to a method of manufacturing an optical filter having a filter layer having a different film thickness at each position and integrally forming a plurality of filter parts having different transmission characteristics.
- This invention makes it a subject to provide the manufacturing method of the optical filter which can form easily the filter layer from which film thickness differs in each position with a simple structure.
- An optical filter manufacturing method of the present invention is an optical filter manufacturing method that constitutes a plurality of filter portions, and is interposed between a radiation source of a vapor phase growth material and a workpiece, and corresponds to each filter portion. Using a mask member having different aperture ratios, the filter layer is vapor-phase grown on the work through the mask member.
- the filter layer can be formed with a simple configuration without requiring a drive unit or a control unit.
- the filter layer can be easily formed only by performing vapor phase growth with the mask member disposed.
- the filter layer having a uniform film thickness can be easily formed in each filter part, the transmission characteristics of each filter part can be stabilized.
- the mask member has a mask body and a spacer for separating the mask body and the workpiece, and the filter layer is vapor-phase grown in a state where the mask member is arranged on the workpiece.
- the faller layer can be formed with a simpler configuration.
- the spacer and the mask body are composed of an SOI wafer.
- the mask member can be easily manufactured by using the SOI wafer.
- a high-precision optical filter can be provided by forming the filter layer by sputtering.
- a filter manufacturing apparatus and a manufacturing method of a transmission wavelength variable interference filter to which the present invention is applied are exemplified.
- This manufacturing apparatus manufactures a transmission wavelength variable interference filter built in a spectroscope. Therefore, before describing the manufacturing apparatus, a transmission wavelength variable interference filter and a spectroscope equipped with the same will be described.
- This spectrometer is a small semiconductor package created by semiconductor manufacturing technology.
- the spectroscope is a non-movable analyzer that measures an intensity distribution (an electromagnetic spectrum of light) in 18 wavelength regions obtained by dividing the visible light region into 18 regions. That is, the intensity distribution of the wavelength of each of the 18 colors in the incident light (inspection light) is measured.
- the spectroscope 1 deflects incident light 11 having a light shielding structure that forms an incident port 11a, a diffusion plate 12 that diffuses incident light from the incident port 11a, and diffused incident light. Molded on the light guide plate 13, the collimator lens array 14 that converts the deflected incident light into parallel light, the light receiving element array 15 that forms 18 light receiving elements 25 that receive the parallel light, and the 18 light receiving elements 25. And a control unit 17 that measures the intensity distribution of each wavelength based on the output values (photocurrent values) of the 18 light receiving elements 25. . Incident light from the entrance 11 a is diffused by the diffusion plate 12, deflected by the light guide plate 13, and guided to 18 light receiving elements 25 through the collimator lens array 14 and the transmission wavelength variable interference filter 16. .
- the light receiving element array 15 includes a photodiode array, and includes a P + substrate 21, a P-EPI layer 22 disposed on the P + substrate 21, and an N-EPI layer formed on the P-EPI layer 22. 23, and a plurality of N + layers 24 formed side by side on the N-EPI layer 23.
- the light receiving element array 15 constitutes 18 light receiving elements (light receiving portions) 25 for each of the N + layers 24 arranged in parallel.
- Each light receiving element 25 converts the received incident light to obtain a photocurrent value (output value). Then, this photocurrent value is output to the control unit 17.
- the transmission wavelength variable interference filter 16 is composed of a dielectric multilayer film (filter layer) 16a in which high refractive materials (for example, TiO 2 ) and low refractive materials (for example, SiO 2 ) are alternately stacked. ing.
- the dielectric multilayer film 16a is formed so as to increase in thickness in the direction in which the light receiving elements 25 are arranged, and 18 filters having different transmission peaks depending on the dielectric multilayer film 16a.
- the portion 28 is integrally formed. That is, the filter portions 28 are formed to have a uniform film thickness.
- the 18 filter sections 28 correspond to the 18 light receiving elements 25, respectively, and the light receiving surfaces of the respective light receiving elements 25 and the surfaces of the corresponding filter sections 28 are parallel to each other. Then, the 18 light receiving elements 25 respectively receive incident light that has passed through the 18 filter units 28. Further, the 18 filter sections 28 have the 18 colors as transmission peaks.
- control unit 17 includes a storage unit 31 that stores a correction matrix, and a calculation unit 32 that calculates an intensity distribution based on the output value of each light receiving element 25 and the correction matrix. .
- the storage unit 31 is an EPROM (Erasable Programmable Read). Only memory) and stores a correction matrix used when calculating the intensity distribution.
- the correction matrix is obtained by converting the coefficient matrix of the transmission coefficient for each filter unit 28 and for each color into an inverse matrix.
- the correction matrix is generated in advance in a calibration device (not shown) and stored in the storage unit 31.
- the calculation unit 32 calculates the intensity distribution of the wavelengths of the respective colors based on the output values (photocurrent values) from the 18 light receiving elements 25 and the correction matrix stored in the storage unit 31. Specifically, as shown in FIG. 3, a column (I 1 ) of each photocurrent value output from 18 light receiving elements 25 in a correction matrix a ij (1 ⁇ i ⁇ 18, 1 ⁇ j ⁇ 18). , I 2 ,... I 18 ) to calculate the wavelength intensity distribution (P 1 , P 2 ,... P 18 ) of each color.
- the spectroscope 1 stores a correction matrix in the storage unit 31 in advance, and each of the 18 light receiving elements 25 receives incident light (inspection light) via each filter unit 28.
- the current value is output to the control unit 17.
- the wavelength intensity of each of the 18 colors is calculated by the calculation unit 32 based on each photocurrent value output from the 18 light receiving elements 25 and the correction matrix stored in the storage unit 31. That is, the intensity distribution at each wavelength is measured.
- the calibration process is performed by generating a correction matrix for the spectrometer 1 and storing it in the storage unit 31 of the spectrometer 1.
- 18 types of calibration light having different specific intensity distributions for example, monochromatic light having wavelengths of the 18 colors described above
- Each output value (photocurrent value) in the 18 light receiving elements 25 is obtained.
- a transmission coefficient of each color of each filter unit 28 and 18 colors is calculated, and a coefficient matrix b ij (1 ⁇ i ⁇ 18, 1 ⁇ j ⁇ ) is calculated.
- each column b i1 , b i2 ,... B i18 of the coefficient matrix is calculated from each photocurrent value I 1 , I 2 ... I 18 and the wavelength intensity P i of each calibration light. can do.
- the calculated coefficient matrix b ij is converted into an inverse matrix to calculate a correction matrix a ij (FIG. 4C).
- the calculated correction matrix is stored in the storage unit 31, and the calibration process is terminated.
- An apparatus for manufacturing the transmission wavelength variable interference filter 16 (hereinafter referred to as a filter manufacturing apparatus 71) is a sputtering apparatus that uses the light-receiving element array 15 as a work and forms a dielectric multilayer film 16a thereon by sputtering.
- the filter manufacturing apparatus 71 uses the predetermined mask member 75 to easily manufacture the dielectric multilayer film 16a having a different film thickness at each position with a simple configuration.
- the filter manufacturing apparatus 71 includes a set table 72 for setting the light receiving element array 15, a sputter target (radiation source of vapor phase growth material) 73 disposed to face the set table 72, A magnet 74 disposed on the back side of the sputter target 73, a mask member 75 interposed between the light receiving element array 15 and the sputter target 73, and a vacuum chamber 76 that accommodates these parts.
- the mask member 75 is interposed between the light receiving element array 15 and the sputter target 73 by being fixedly disposed on the set light receiving element array 15 (on the surface) in a positioned state.
- the mask member 75 is removably attached to the light receiving element array 15 by temporary pressure bonding.
- the mask member 75 is joined to the mask main body 81 serving as a shielding portion, and the spacer 82 that is bonded to the mask main body 81 and separates the light receiving element array 15 and the mask main body 81 by a predetermined separation distance H.
- the mask body 81 has openings 83 having different opening ratios at positions corresponding to the filter parts 28 (light receiving elements 25).
- the opening ratio of each opening 83 is a shielding ratio of the vapor phase growth material radiated from the sputtering target 73. Thereby, the deposition amount of the vapor phase growth material at each position of the light receiving element array 15 is adjusted, and the film thickness of each filter unit 28 is controlled. With this film thickness control, the transmission characteristics of each filter section 28 on each light receiving element 25 are determined. Therefore, the aperture ratio of each opening 83 is designed in accordance with the desired transmission characteristics of each filter 28.
- the plate thickness T of the mask main body 81, the separation distance L between the sputter target 73 and the mask main body 81, and the separation distance H between the mask main body 81 and the light receiving element array 15 are It affects the amount and reach of the emitted vapor phase growth material. That is, the amount of vapor deposition material deposited on the entire light receiving element array 15 is affected. Therefore, the plate thickness T of the mask body 81 and the height of the spacer 82 are designed based on a desired deposition amount, that is, a film thickness.
- the mask main body 81 is composed of an SOI layer of an SOI (Silicon On Insulator) wafer
- the spacer 82 is composed of a substrate layer and a BOX layer of the SOI wafer. Therefore, when the thickness of the SOI layer is “T_soi”, the thickness of the substrate layer is “T_sub”, and the thickness of the BOX layer is “T_box”, the plate thickness T of the mask body 81, and the mask body 81 and the light reception
- the mask member 75 can be easily manufactured by forming the mask main body 81 and the spacer 82 using the SOI wafer.
- the spacer 82 includes a BOX layer and a substrate layer thinned by back grinding or the like. It may be configured by.
- the mask main body 81 may be composed of a substrate layer, and the spacer 82 may be composed of an SOI layer and a BOX layer.
- the mask main body 81 may be constituted by a substrate layer thinned by back grinding or the like, and the spacer 82 may be constituted by an SOI layer and a BOX layer. good.
- the mask main body 81 and the spacer 82 may be formed of an SOI layer. Specifically, a recess is formed in the SOI layer so that the central portion of the SOI layer is thin, and the upper half of the SOI layer is used as the mask body 81 and the lower half of the SOI layer is used as the spacer 82.
- the thickness of the thin portion of the SOI layer is “T_soi ′”
- the transmission wavelength variable interference filter 16 is manufactured by sputtering the dielectric multilayer film 16a via the mask member 75 on the light receiving element array 15 with the mask member 75 fixedly disposed on the light receiving element array 15. This is done by vapor phase growth.
- the vacuum chamber 76 is evacuated and Ar gas (argon gas), which is an inert gas, is introduced into the vacuum chamber 76. Thereafter, Ar gas is turned into plasma, and the ionized Ar ions are collided with the sputtering target 73 by the magnet 74. Due to the collision of Ar ions, atoms (vapor phase growth material) of the sputtering target 73 are emitted. The emitted vapor phase growth material reaches the light receiving element array 15 via the mask member 75, so that the vapor phase growth material is deposited on the light receiving element array 15 (vapor phase growth).
- Ar gas argon gas
- Ar gas is turned into plasma
- the ionized Ar ions are collided with the sputtering target 73 by the magnet 74. Due to the collision of Ar ions, atoms (vapor phase growth material) of the sputtering target 73 are emitted.
- the emitted vapor phase growth material reaches the light receiving element array 15 via the mask member 75
- the vapor phase growth material is shielded and deposited. That is, the opening 83 having a large aperture ratio forms a thick molded film with respect to the light receiving element 25, and the opening 83 with a small aperture ratio forms a thin molded film with respect to the light receiving element 25. As a result, vapor phase growth materials are formed on the respective light receiving elements 25 with different film thicknesses. This is the difference in film thickness at each filter section 28.
- the step-like dielectric multilayer film 16a as shown in FIG. 2 is formed by alternately repeating this sputtering process using a high refractive material and a low refractive material, and each filter portion 28 is formed. Thereby, the manufacturing operation of the transmission wavelength variable interference filter 16 is completed.
- the dielectric multilayer film 16a is vapor-phase grown through the mask member 75 using the mask member 75 having a different aperture ratio at the position corresponding to each filter portion 28. It is possible to form the dielectric multilayer film 16a having different thicknesses at different positions.
- the dielectric multilayer film 16a can be formed with a simple configuration without the need for a drive unit or a control unit.
- the dielectric multilayer film 16a can be easily formed simply by performing vapor phase growth with the mask member 75 disposed. Further, the mask member 75 can be reused by cleaning.
- the mask member 75 has a mask main body 81 and a spacer 82, and the mask member 75 is fixedly disposed on the light receiving element array 15, a special disposition structure for disposing the mask member 75 (for example, The dielectric multilayer film 16a can be formed with a simpler configuration without requiring a support member.
- the mask member 75 is fixedly arranged on the light receiving element array 15 (on the workpiece).
- the mask member 75 may be attached to the sputter target 73 side.
- the mask member 75 may be supported by a separate support member and interposed between the sputter target 73 and the light receiving element array 15.
- the dielectric multilayer film 16a is formed so as to increase in thickness in the direction in which the light receiving elements 25 are arranged. That is, the thickness of each filter portion 28 is increased in the arrangement order, but the thickness is not limited to this as long as the thickness of each filter portion 28 is uniform.
- FIG. 9A a configuration may be adopted in which the order of arrangement is ignored and the film thickness of an arbitrary filter portion 28 is set to an arbitrary thickness. That is, the filter part 28 of each desired transmission characteristic may be formed in random order.
- the dielectric multilayer film 16 a may be formed so as to gradually increase in thickness in the direction in which the light receiving elements 25 are arranged by the above manufacturing operation.
- the plurality of light receiving elements 25 are arranged side by side (in parallel), but the present invention is not limited to this.
- positions the some light receiving element 25 in matrix form may be sufficient.
- FIG. 10B a configuration in which a plurality of light receiving elements 25 are arranged in a ring shape may be employed.
- the dielectric multilayer film 16a is formed in accordance with the arrangement of the plurality of light receiving elements 25. That is, the plurality of filter portions 28 are formed in a matrix or in a ring shape in accordance with the arrangement of the plurality of light receiving elements 25.
- the dielectric multilayer film 16a is vapor-phase grown by sputtering, but the dielectric multilayer film 16a may be vapor-grown by vapor deposition.
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
Only Memory)等で構成されており、強度分布の算出時に用いる補正行列を記憶する。補正行列は、フィルター部28毎且つ色毎の透過係数の係数行列を、逆行列に変換したものである。当該補正行列は、予め校正装置(図示省略)において生成され、記憶部31に記憶される。
T = T_soi
H = T_box+T_sub
となる(図8(a)参照)。このようにSOIウェハーを用いてマスク本体81およびスペーサー82を形成することで、マスク部材75を容易に製造することができる。
T = T_soi
H = T_box+T_sub’
となる。
T = T_sub
H = T_box+T_soi
となる。
T = T_sub’
H = T_box+T_soi
となる。
T = T_soi’
H = T_soi-T_soi’
となる。
Claims (4)
- 複数のフィルター部を構成する光学フィルターの製造方法であって、
気相成長材料の放射源とワークとの間に介設され、前記各フィルター部に対応する位置の開口率が相違するマスク部材を用い、
フィルター層を、前記マスク部材を介して、前記ワーク上に気相成長させることを特徴とする光学フィルターの製造方法。 - 前記マスク部材は、
マスク本体と、
前記マスク本体および前記ワークを離間させるスペーサーと、を有し、
前記ワーク上に前記マスク部材を配置した状態で、前記フィルター層を気相成長させることを特徴とする請求項1に記載の光学フィルターの製造方法。 - 前記スペーサーと前記マスク本体とは、SOIウェハーで構成されていることを特徴とする請求項2に記載の光学フィルターの製造方法。
- スパッタリングにより、前記フィルター層を気相成長させることを特徴とする請求項1に記載の光フィルターの製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/005489 WO2014033784A1 (ja) | 2012-08-30 | 2012-08-30 | 光学フィルターの製造方法 |
JP2014532571A JPWO2014033784A1 (ja) | 2012-08-30 | 2012-08-30 | 光学フィルターの製造方法 |
US14/423,830 US20150240348A1 (en) | 2012-08-30 | 2012-08-30 | Method for manufacturing optical filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/005489 WO2014033784A1 (ja) | 2012-08-30 | 2012-08-30 | 光学フィルターの製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014033784A1 true WO2014033784A1 (ja) | 2014-03-06 |
Family
ID=50182636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2012/005489 WO2014033784A1 (ja) | 2012-08-30 | 2012-08-30 | 光学フィルターの製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150240348A1 (ja) |
JP (1) | JPWO2014033784A1 (ja) |
WO (1) | WO2014033784A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016088216A1 (ja) * | 2014-12-03 | 2016-06-09 | パイオニア株式会社 | 光学フィルターの製造方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016118919A1 (en) * | 2015-01-23 | 2016-07-28 | Materion Corporation | Near infrared optical interference filters with improved transmission |
US9804310B2 (en) | 2015-02-17 | 2017-10-31 | Materion Corporation | Method of fabricating anisotropic optical interference filter |
GB201702478D0 (en) * | 2017-02-15 | 2017-03-29 | Univ Of The West Of Scotland | Apparatus and methods for depositing variable interference filters |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005121699A (ja) * | 2003-10-14 | 2005-05-12 | Hitachi Metals Ltd | 薄膜フィルターの製造方法、薄膜フィルターの製造装置、薄膜固定フィルター、および波長可変フィルター |
JP2006139102A (ja) * | 2004-11-12 | 2006-06-01 | Olympus Corp | 光波長可変フィルターの製造装置及び製造方法 |
JP2006245259A (ja) * | 2005-03-03 | 2006-09-14 | Toppan Printing Co Ltd | ステンシルマスクブランク、ステンシルマスク、及びその製造方法、並びにパターン露光方法 |
JP2010065297A (ja) * | 2008-09-12 | 2010-03-25 | Seiko Epson Corp | マスクの製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5527778A (en) * | 1978-08-18 | 1980-02-28 | Semiconductor Res Found | Semiconductor color pickup device |
JPH01188806A (ja) * | 1988-01-22 | 1989-07-28 | Nippon Telegr & Teleph Corp <Ntt> | 多層膜フィルタ付き受光器およびその製造方法 |
US5948468A (en) * | 1997-05-01 | 1999-09-07 | Sandia Corporation | Method for correcting imperfections on a surface |
JP3893239B2 (ja) * | 2000-08-03 | 2007-03-14 | 富士通株式会社 | ステンシルマスク及びその製造方法 |
JP2004281829A (ja) * | 2003-03-17 | 2004-10-07 | Citizen Electronics Co Ltd | チップ型センサ及びその製造方法 |
JP2007324284A (ja) * | 2006-05-31 | 2007-12-13 | Tokyo Electron Ltd | アパーチャマスク、アパーチャマスクの作製方法、荷電ビーム描画装置、及び荷電ビーム描画方法 |
JP2010049137A (ja) * | 2008-08-25 | 2010-03-04 | Nisca Corp | 減光フィルタとこの減光フィルタの成膜方法及び成膜装置 |
JP5736672B2 (ja) * | 2010-06-03 | 2015-06-17 | 株式会社ニコン | 光学部品及び分光測光装置 |
CN102096136A (zh) * | 2010-12-17 | 2011-06-15 | 北京控制工程研究所 | 空间用光学石英玻璃耐辐照滤紫外薄膜及制备方法 |
-
2012
- 2012-08-30 US US14/423,830 patent/US20150240348A1/en not_active Abandoned
- 2012-08-30 JP JP2014532571A patent/JPWO2014033784A1/ja active Pending
- 2012-08-30 WO PCT/JP2012/005489 patent/WO2014033784A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005121699A (ja) * | 2003-10-14 | 2005-05-12 | Hitachi Metals Ltd | 薄膜フィルターの製造方法、薄膜フィルターの製造装置、薄膜固定フィルター、および波長可変フィルター |
JP2006139102A (ja) * | 2004-11-12 | 2006-06-01 | Olympus Corp | 光波長可変フィルターの製造装置及び製造方法 |
JP2006245259A (ja) * | 2005-03-03 | 2006-09-14 | Toppan Printing Co Ltd | ステンシルマスクブランク、ステンシルマスク、及びその製造方法、並びにパターン露光方法 |
JP2010065297A (ja) * | 2008-09-12 | 2010-03-25 | Seiko Epson Corp | マスクの製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016088216A1 (ja) * | 2014-12-03 | 2016-06-09 | パイオニア株式会社 | 光学フィルターの製造方法 |
JPWO2016088216A1 (ja) * | 2014-12-03 | 2017-08-24 | パイオニア株式会社 | 光学フィルターの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20150240348A1 (en) | 2015-08-27 |
JPWO2014033784A1 (ja) | 2016-08-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7498220B2 (ja) | 改良された透過率を有する近赤外線光学干渉フィルタ | |
WO2014033783A1 (ja) | 分光器および分光測定方法 | |
US8922790B2 (en) | Optical film thickness measuring device and thin film forming apparatus using the optical film thickness measuring device | |
US7247345B2 (en) | Optical film thickness controlling method and apparatus, dielectric multilayer film and manufacturing apparatus thereof | |
US7294360B2 (en) | Conformal coatings for micro-optical elements, and method for making the same | |
EP3839585B1 (en) | Near infrared optical interference filters with improved transmission | |
WO2014033784A1 (ja) | 光学フィルターの製造方法 | |
TWI582969B (zh) | 具有前焦距校正之晶圓級光學裝置之製造 | |
US20210255377A1 (en) | 3d identification filter | |
US20110069393A1 (en) | Optical element, method of producing same, and optical apparatus | |
WO2017142523A1 (en) | System and method for monitoring atomic absorption during a surface modification process | |
CN101403805A (zh) | 一种光谱阶跃式集成滤光片的制作方法 | |
JP4792242B2 (ja) | 薄膜形成装置及び薄膜形成方法 | |
JP2004061810A (ja) | 多層膜光学フィルター形成装置、および多層膜光学フィルターの製造方法 | |
WO2016088216A1 (ja) | 光学フィルターの製造方法 | |
JP2004151492A (ja) | 誘電体多層膜の製造装置 | |
JP4924311B2 (ja) | 成膜装置、およびそれを用いた成膜方法 | |
JP2004151493A (ja) | 誘電体多層膜の製造装置 | |
JP2022181017A (ja) | スパッタリング装置、成膜方法、及び物品の製造方法 | |
TW202348817A (zh) | 產生光學層系統的方法及由此方法產生的光學層系統 | |
WO2023200969A1 (en) | Non-uniform-thickness layers and methods for forming | |
CN116892005A (zh) | 一种线性渐变窄带滤光片的制备方法 | |
JP2005121699A (ja) | 薄膜フィルターの製造方法、薄膜フィルターの製造装置、薄膜固定フィルター、および波長可変フィルター | |
Astrova et al. | Optical transparency of macroporous silicon with through pores | |
JP2004233646A (ja) | 薄膜フィルターの製造方法、薄膜フィルターの製造装置、薄膜フィルター基板、および波長可変フィルター |
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: 12883951 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2014532571 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14423830 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12883951 Country of ref document: EP Kind code of ref document: A1 |