WO2012070302A1 - 分光センサ - Google Patents
分光センサ Download PDFInfo
- Publication number
- WO2012070302A1 WO2012070302A1 PCT/JP2011/071536 JP2011071536W WO2012070302A1 WO 2012070302 A1 WO2012070302 A1 WO 2012070302A1 JP 2011071536 W JP2011071536 W JP 2011071536W WO 2012070302 A1 WO2012070302 A1 WO 2012070302A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- light
- interference filter
- mirror
- cavity
- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 58
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000003287 optical effect Effects 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 23
- 239000011347 resin Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 239000010410 layer Substances 0.000 description 169
- 238000000034 method Methods 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000003595 spectral effect Effects 0.000 description 9
- 238000001259 photo etching Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007733 ion plating Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 239000011368 organic material Substances 0.000 description 1
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- 229920001296 polysiloxane Polymers 0.000 description 1
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- 239000002356 single layer Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
- G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
- G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
- G01J3/513—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs
Definitions
- the present invention relates to a spectroscopic sensor.
- each interference filter unit may be configured as a Fabry-Perot type by allowing a pair of mirror layers to face each other via a cavity layer (see, for example, Patent Document 1).
- the interference filter unit may be deteriorated or damaged due to a temperature cycle during use.
- the cavity layer is a layer of several hundred nm or less made of, for example, a resin, and is a very delicate layer, and thus is easily peeled off from the mirror layer due to expansion / contraction of each member constituting the interference filter portion.
- an object of the present invention is to provide a highly reliable spectroscopic sensor.
- a spectroscopic sensor includes a cavity layer and a first mirror layer and a second mirror layer facing each other through the cavity layer, and selectively transmits light in a predetermined wavelength range according to an incident position.
- the second mirror layer is separated for each interference filter unit, and the cavity layer is formed integrally over each of the interference filter units, and adjacent second mirrors. A part of the cavity layer enters the region between the layers.
- the cavity layer is integrally formed over each of the interference filter portions, and a part of the cavity layer enters the region between the adjacent first mirror layers. This prevents the cavity layer from being peeled from the first mirror layer even if each member constituting the interference filter unit expands and contracts due to the temperature cycle when the spectroscopic sensor is used. Therefore, a highly reliable spectroscopic sensor can be provided.
- the first mirror layer is separated for each interference filter unit, and an optical resin layer for bonding a light transmission substrate on the first mirror layer in a region between the adjacent first mirror layers. May enter. According to this, the bonding strength of the light transmitting substrate can be improved, and the mechanical strength of the spectroscopic sensor as a whole can be improved.
- an optical filter layer that is formed on the light transmission substrate so as to face the first mirror layer and transmits light in a predetermined wavelength range may be further provided. According to this, light in a predetermined wavelength range can be efficiently incident on the interference filter unit.
- a highly reliable spectroscopic sensor can be provided.
- FIG. 2 is a cross-sectional view taken along the line II-II in FIG. It is sectional drawing for demonstrating the manufacturing method of the spectral sensor of FIG. It is sectional drawing for demonstrating the manufacturing method of the spectral sensor of FIG. It is sectional drawing for demonstrating the manufacturing method of the spectral sensor of FIG. It is sectional drawing for demonstrating the manufacturing method of the spectral sensor of FIG. It is sectional drawing for demonstrating the manufacturing method of the spectral sensor of FIG. It is sectional drawing for demonstrating the manufacturing method of the spectral sensor of FIG. It is sectional drawing for demonstrating the manufacturing method of the spectral sensor of FIG. It is a perspective view for demonstrating the manufacturing method of the spectral sensor of FIG.
- the spectroscopic sensor 1 includes a plurality of interference filter units 20A, 20B, and 20C that selectively transmit light in a predetermined wavelength range according to an incident position, and interference filter units 20A to 20A.
- a light transmission substrate 3 that transmits light incident on 20C and a light detection substrate 4 that detects light transmitted through the interference filter sections 20A to 20C are provided.
- the spectroscopic sensor 1 is configured as a rectangular parallelepiped CSP (Chip Size Package), and the interference filter units 20A to 20C are disposed between the light transmission substrate 3 and the light detection substrate 4 along the longitudinal direction of the spectroscopic sensor 1. It is arranged.
- the light transmitting substrate 3 is made of glass or the like and is formed in a rectangular plate shape having a thickness of about 0.2 mm to 2 mm.
- An optical filter layer 5 is formed on the back surface 3b of the light transmission substrate 3 so as to face the interference filter portions 20A, 20B, and 20C.
- Each optical filter layer 5 is a dielectric multilayer film or an organic color filter (color resist), and is formed in a rectangular film shape with a thickness of about 0.1 ⁇ m to 10 ⁇ m.
- the optical filter layer 5 functions as a band-pass filter that transmits light in a predetermined wavelength range to be incident on the opposing interference filter units 20A to 20C.
- the photodetection substrate 4 is a photodiode array, and is formed in a rectangular plate shape having a thickness of about 10 ⁇ m to 150 ⁇ m.
- a light receiving portion 6 that receives light transmitted through the interference filter portions 20A to 20C is formed.
- the light receiving unit 6 is configured by a one-dimensional array of elongated photodiodes extending along a direction substantially perpendicular to the longitudinal direction of the light detection substrate 4 along the longitudinal direction of the light detection substrate 4.
- wiring 7 front surface wiring, back surface wiring, through wiring, etc. for taking out an electrical signal photoelectrically converted by the light receiving unit 6 to the outside is formed on the light detection substrate 4.
- the light detection substrate 4 is not limited to the photodiode array, but may be other semiconductor light detection elements (C-MOS image sensor, CCD image sensor, etc.).
- Each interference filter section 20A, 20B, 20C has a cavity layer 21 and DBR (Distributed Bragg Reflector) layers 22, 23.
- the DBR layer (first mirror layer) 22 and the DBR layer (second mirror layer) 23 face each other with the cavity layer 21 therebetween. That is, the cavity layer 21 maintains the distance between the opposing DBR layers 22 and 23 (the thickness of the cavity layer 21 in each interference filter portion 20A, 20B, and 20C is different).
- Each of the DBR layers 22 and 23 is a dielectric multilayer film, and is formed in a rectangular film shape having a thickness of about 0.1 ⁇ m to 10 ⁇ m.
- each interference filter part 20A, 20B, 20C the thickness of the DBR layer 22 is different from each other.
- the thickness of the DBR layer 23 is different from each other.
- the surface 23 a on the cavity layer 21 side of the DBR layer 23 is positioned on substantially the same plane by the spacer 13.
- the DBR layer 22 is located on the light transmitting substrate 3 side with respect to the cavity layer 21, and is separated for each of the interference filter portions 20A to 20C.
- the DBR layer 23 is located on the light detection substrate 4 side with respect to the cavity layer 21, and is separated for each of the interference filter portions 20A to 20C.
- the width of the region R1 between the adjacent DBR layers 22 and 22 and the width of the region R2 between the adjacent DBR layers 23 and 23 are about 0.5 ⁇ m to 10 ⁇ m, respectively.
- the cavity layer 21 is made of a light transmissive material (optical resin, glass, semiconductor, dielectric, etc.), and is integrally formed over each of the interference filter portions 20A to 20C.
- a part of the cavity layer 21 enters the region R ⁇ b> 2 between the adjacent DBR layers 23 and 23.
- the outer edge portion of the cavity layer 21 reaches the side surface of the spectroscopic sensor 1 (that is, the side surface of the light transmission substrate 3 and the side surface of the light detection substrate 4), and these side surfaces are substantially flush.
- the thickness of the cavity layer 21 is gradually increased in a range of about 100 nm to several hundreds of nm toward one side along the longitudinal direction of the spectroscopic sensor 1.
- the wavelength of light incident on each channel of the light receiving unit 6 of the light detection substrate 4 is uniquely determined by the type and thickness of the DBR layers 22 and 23 and the thickness of the cavity layer 21 in the portion facing each channel. It is determined.
- the light transmitting substrate 3 is disposed on the DBR layer 22 side with respect to the cavity layer 21 and is bonded to the DBR layer 22 through the optical resin layer 11.
- each optical filter layer 5 faces the DBR layer 22 of each of the interference filter portions 20A to 20C via the optical resin layer 11.
- the optical resin layer 11 enters the region R1 between the adjacent DBR layers 22 and 22 and the region between the adjacent optical filter layers 5 and 5.
- the photodetection substrate 4 is disposed on the DBR layer 23 side with respect to the cavity layer 21 and is bonded to the cavity layer 21 and the DBR layer 23.
- Each optical resin layer 11 is made of an optical resin such as an epoxy-based, acrylic-based, silicone-based organic material, or a hybrid material made of organic-inorganic, and has a thickness of about 5 ⁇ m to 100 ⁇ m.
- the spectroscopic sensor 1 configured as described above, when light incident on the light transmissive substrate 3 from the surface 3a of the light transmissive substrate 3 passes through the light transmissive substrate 3 and reaches the back surface 3b of the light transmissive substrate 3, Only light in a predetermined wavelength range to be incident on the interference filter sections 20A to 20C is transmitted by the optical filter layer 5.
- the light transmitted through the optical filter layer 5 is incident on the interference filter units 20A to 20C, light in a predetermined wavelength range is selectively transmitted according to the incident position in each of the interference filter units 20A to 20C. Be made.
- the wavelength of light incident on each channel of the light receiving unit 6 of the light detection substrate 4 is uniquely determined by the type and thickness of the DBR layers 22 and 23 at the incident position and the thickness of the cavity layer 21.
- the light detection substrate 4 detects light having a different wavelength for each channel of the light receiving unit 6.
- the cavity layer 21 is integrally formed over each of the interference filter portions 20A to 20C, and a part of the cavity layer 21 is between the adjacent DBR layers 23, 23. It has entered the region R2. This prevents the cavity layer 21 from being peeled off from the DBR layer 23 even if each member constituting each of the interference filter sections 20A to 20C expands and contracts due to a temperature cycle when the spectroscopic sensor 1 is used. The Therefore, the highly reliable spectral sensor 1 can be provided.
- the optical resin layer 11 for bonding the light transmission substrate 3 on the DBR layer 22 enters the region R1 between the adjacent DBR layers 22 and 22 and the region between the adjacent optical filter layers 5 and 5. .
- the joint strength of the light transmissive substrate 3 can be improved, and the mechanical strength of the spectroscopic sensor 1 as a whole can be improved.
- the optical filter layer 5 is formed on the light transmission substrate 3 so as to face the DBR layer 22 for each of the interference filter portions 20A to 20C. Accordingly, light in a predetermined wavelength range can be efficiently incident on the interference filter units 20A to 20C.
- a light detection wafer 40 including a plurality of light detection substrates 4 arranged in a matrix is prepared, and a DBR layer 23 is formed for each portion corresponding to one spectroscopic sensor 1.
- the DBR layer 23 is a dielectric multilayer film, and is a laminated film made of SiO 2 , TIO 2 , Ta 2 O 5 , Nb 2 O 5 , Al 2 O 3 , MgF 2 or the like.
- the spacer 13 between the surface 4a of the light detection substrate 4 and the DBR layer 23, the surface 23a of the DBR layer 23 is positioned on substantially the same plane.
- the spacer 13 can be formed of the same material as the layer constituting a part of the DBR layer 23 and in the same process as the DBR layer 23. Therefore, the alignment between the spacer 13 and the DBR layer 23 and the height alignment of the surface 23a of the DBR layer 23 can be easily performed.
- the cavity layer 21 is integrally formed on the surface 23 a of the DBR layer 23 by the nanoimprint method for each portion corresponding to one spectroscopic sensor 1.
- a part of the cavity layer 21 is inserted into a region between the adjacent DBR layers 23 and 23.
- the outer edge portion of the cavity layer 21 reaches the side surface of the light detection wafer 40 so that the side surfaces are substantially flush with each other.
- the material of the cavity layer 21 is applied almost uniformly on the entire surface of the light detection wafer 40 so as to cover the DBR layer 23, and then the mold is formed while heating, pressurizing, UV irradiation, and the like.
- the material is molded into a desired cavity shape using a mold.
- the molding by the nanoimprint method may be performed by a step-and-repeat method in units of chips (portions corresponding to one spectroscopic sensor 1) or a block unit including a plurality of chips, or may be performed in a lump.
- the surface 23a of the DBR layer 23 is positioned on substantially the same plane by the spacer 13, the highly accurate cavity layer 21 can be stably obtained.
- a DBR layer 22 is formed on the cavity layer 21 for each portion corresponding to one spectroscopic sensor 1.
- film formation by ion plating, vapor deposition, sputtering, or the like, and patterning by photoetching, liftoff, or etching are performed.
- DBR layer 22 is a dielectric multilayer film, a multilayer film composed of SiO 2, TIO 2, Ta 2 O 5, Nb 2 O 5, Al 2 O 3, MgF 2 or the like.
- a light transmissive wafer 30 including a plurality of light transmissive substrates 3 arranged in a matrix is prepared, and portions corresponding to the light transmissive substrate 3 are provided on the light transmissive wafer 30.
- the optical filter layer 5 is formed (that is, on the light transmission substrate 3).
- the optical filter layer 5 is formed of a dielectric multilayer film, film formation by ion plating, vapor deposition, sputtering, or the like, and patterning by photoetching and liftoff, or etching are performed.
- the optical filter layer 5 is formed of an organic color filter, it is patterned by exposure / development or the like like a photoresist.
- the DBR layer 22 and the optical filter layer 5 are opposed to each other corresponding to one spectroscopic sensor 1, and the light detection wafer 40 and the light transmission wafer 30 are optical resin layers. 11 to join. That is, the light transmission substrate 3 is bonded to the DBR layer 22 via the optical resin layer 11 so that the DBR layer 22 and the optical filter layer 5 face each other with the optical resin layer 11 interposed therebetween.
- the optical resin layer 11 is applied to the entire surface of at least one of the light detection wafer 40 and the light transmission wafer 30, the light detection wafer 40 and the light transmission wafer 30 are aligned, and heating, pressurization, and UV irradiation are performed.
- the light detection wafer 40 and the light transmission wafer 30 are bonded together by performing the above process. At this time, if it returns to air
- the photodetection wafer 40 is thinned to a thickness of about 10 ⁇ m to 150 ⁇ m by grinding, polishing, etching, or the like on the back surface of the photodetection wafer 40. Then, a through hole is formed by etching in a portion corresponding to the front surface wiring, and a through wiring, a back surface wiring, and the like are formed, thereby forming the wiring 7 for each portion corresponding to one spectroscopic sensor 1. Further, bumps 8 are formed on the back surface of the light detection wafer 40 for each portion corresponding to one spectroscopic sensor 1. Subsequently, as shown in FIG. 9, the light detection wafer 40 and the light transmission wafer 30 bonded to each other are diced into portions corresponding to one spectroscopic sensor 1 to obtain a plurality of spectroscopic sensors 1.
- the cavity layer 21 is formed on the surface 23 a of the DBR layer 23, the cavity layer 21 is integrally formed and the region between the adjacent DBR layers 23 and 23 is formed. A part of the cavity layer 21 is allowed to enter. As a result, even if a photoetching process, a lift-off process, or the like is performed to form the DBR layer 22 on the cavity layer 21, it is possible to avoid a situation where the cavity layer 21 is peeled off from the DBR layer 23.
- the photoetching step includes (a) a step of spin-coating a liquid photoresist on the substrate (photodetection wafer 40), (b) a pre-baking step, (c) a step of aligning and exposing the photomask and the substrate, (d ) Post-exposure baking step (this step may be omitted), (e) development step, and (f) post-bake step.
- step (a) when the resist is spin-coated, the resist is made uniform on the surface of the substrate and a centrifugal force is applied. At this time, since a step is generated in the cavity layer 21, an external force is applied to peel off the cavity layer 21 during the spin coating. Further, many baking steps (heat treatment) are performed as in the above-described process, and the substrate is heated to about 80 ° C. to 120 ° C. As described above, by performing the heat treatment a plurality of times, stress is generated due to the difference in thermal expansion between the resist and the substrate including the cavity layer 21 and the DBR layer 23, and the separation of the cavity layer 21 is promoted.
- a resist having a thickness of about 2 ⁇ m to several tens of ⁇ m is applied.
- the resist is developed while an external force is applied, such as a dip method, spin development, or shower development. Therefore, a force that causes the cavity layer 21 to peel from the DBR layer 23 acts.
- the reason why the cavity layer 21 is easily peeled from the DBR layer 23 in the lift-off process for forming the DBR layer 22 will be described.
- a photoresist is patterned in advance, and the resist is opened at a predetermined portion. Thereafter, a film is formed on the entire surface by vapor deposition or the like. Then, while immersing the substrate in a solution for dissolving the resist (for example, acetone or a resist stripping solution), a force such as ultrasonic waves or motion is applied to dissolve the resist, and a film on the resist to be dissolved is formed. Peel off. As a result, a film is selectively formed only on the opening portion of the resist.
- a solution for dissolving the resist for example, acetone or a resist stripping solution
- the cavity layer 21 when the cavity layer 21 is in an island shape, when the DBR layer 22 is to be formed, due to the force due to dissolution or peeling of the resist at the time of lift-off, or an external force such as ultrasonic wave or vibration, The cavity layer 21 is peeled off from the DBR layer 23.
- forming the cavity layer 21 integrally and allowing a part of the cavity layer 21 to enter the region between the adjacent DBR layers 23, 23 forms the DBR layer 22 on the cavity layer 21. This is extremely effective in avoiding a situation where the cavity layer 21 is peeled off from the DBR layer 23.
- the light detection substrate 4 is not limited to a one-dimensional sensor, and may be a two-dimensional sensor.
- the thickness of the cavity layer 21 may change two-dimensionally or may change stepwise.
- a single-layer metal reflective film such as AL, Au, or Ag may be applied as a mirror layer.
- joining at the outer edge of the spectroscopic sensor 1 may be applied. In that case, it is possible to join with a low-melting glass or solder while holding the gap with the spacer.
- the region surrounded by the joint may be an air gap, or the region may be filled with an optical resin.
- the optical filter layer 5 may be formed on the surface 3a side of the light transmission substrate 3 so as to face the interference filter portions 20A, 20B, and 20C.
- substrate 3 may be comprised with filter glass (colored glass).
- a highly reliable spectroscopic sensor can be provided.
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- Spectrometry And Color Measurement (AREA)
Abstract
Description
Claims (3)
- キャビティ層並びに前記キャビティ層を介して対向する第1及び第2のミラー層を有し、所定の波長範囲の光を入射位置に応じて選択的に透過させる複数の干渉フィルタ部と、
前記第1のミラー層側に配置され、前記干渉フィルタ部に入射する光を透過させる光透過基板と、
前記第2のミラー層側に配置され、前記干渉フィルタ部を透過した光を検出する光検出基板と、を備え、
前記第2のミラー層は、前記干渉フィルタ部ごとに分離されており、
前記キャビティ層は、前記干渉フィルタ部のそれぞれに渡って一体的に形成され、隣り合う前記第2のミラー層間の領域には、前記キャビティ層の一部が入り込んでいる、分光センサ。 - 前記第1のミラー層は、前記干渉フィルタ部ごとに分離されており、
隣り合う前記第1のミラー層間の領域には、前記第1のミラー層上に前記光透過基板を接合するための光学樹脂層が入り込んでいる、請求項1記載の分光センサ。 - 前記第1のミラー層と対向するように前記光透過基板上に形成され、前記所定の波長範囲の光を透過させる光学フィルタ層をさらに備える、請求項1又は2記載の分光センサ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201180056291.0A CN103221792B (zh) | 2010-11-22 | 2011-09-21 | 分光传感器 |
DE112011103854T DE112011103854T8 (de) | 2010-11-22 | 2011-09-21 | Spektroskopiesensor |
US13/817,954 US8873056B2 (en) | 2010-11-22 | 2011-09-21 | Spectroscopic sensor |
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JP2010260435A JP5707107B2 (ja) | 2010-11-22 | 2010-11-22 | 分光センサ |
JP2010-260435 | 2010-11-22 |
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WO2012070302A1 true WO2012070302A1 (ja) | 2012-05-31 |
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PCT/JP2011/071536 WO2012070302A1 (ja) | 2010-11-22 | 2011-09-21 | 分光センサ |
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US (1) | US8873056B2 (ja) |
JP (1) | JP5707107B2 (ja) |
CN (1) | CN103221792B (ja) |
DE (1) | DE112011103854T8 (ja) |
WO (1) | WO2012070302A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150131101A1 (en) * | 2012-05-18 | 2015-05-14 | Hamamatsu Photonics K.K. | Spectroscopic sensor |
US9671286B2 (en) | 2012-05-18 | 2017-06-06 | Hamamatsu Photonics K.K. | Spectroscopic sensor having a wire connected to a substrate through a hole of a filter region |
US9846076B2 (en) | 2012-05-18 | 2017-12-19 | Hamamatsu Photonics K.K. | Spectral sensor |
Families Citing this family (1)
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JP5878723B2 (ja) * | 2011-10-04 | 2016-03-08 | 浜松ホトニクス株式会社 | 分光センサ |
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- 2011-09-21 CN CN201180056291.0A patent/CN103221792B/zh active Active
- 2011-09-21 DE DE112011103854T patent/DE112011103854T8/de not_active Ceased
- 2011-09-21 WO PCT/JP2011/071536 patent/WO2012070302A1/ja active Application Filing
- 2011-09-21 US US13/817,954 patent/US8873056B2/en active Active
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Cited By (4)
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US20150131101A1 (en) * | 2012-05-18 | 2015-05-14 | Hamamatsu Photonics K.K. | Spectroscopic sensor |
US9273999B2 (en) * | 2012-05-18 | 2016-03-01 | Hamamatsu Photonics K.K. | Spectroscopic sensor |
US9671286B2 (en) | 2012-05-18 | 2017-06-06 | Hamamatsu Photonics K.K. | Spectroscopic sensor having a wire connected to a substrate through a hole of a filter region |
US9846076B2 (en) | 2012-05-18 | 2017-12-19 | Hamamatsu Photonics K.K. | Spectral sensor |
Also Published As
Publication number | Publication date |
---|---|
DE112011103854T8 (de) | 2013-09-05 |
US8873056B2 (en) | 2014-10-28 |
US20130148125A1 (en) | 2013-06-13 |
DE112011103854T5 (de) | 2013-08-22 |
CN103221792A (zh) | 2013-07-24 |
CN103221792B (zh) | 2016-05-11 |
JP2012112722A (ja) | 2012-06-14 |
JP5707107B2 (ja) | 2015-04-22 |
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