WO2016017122A1 - インライン型濃度計測装置 - Google Patents
インライン型濃度計測装置 Download PDFInfo
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- WO2016017122A1 WO2016017122A1 PCT/JP2015/003692 JP2015003692W WO2016017122A1 WO 2016017122 A1 WO2016017122 A1 WO 2016017122A1 JP 2015003692 W JP2015003692 W JP 2015003692W WO 2016017122 A1 WO2016017122 A1 WO 2016017122A1
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- gas
- measurement cell
- main body
- cell main
- window material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/05—Flow-through cuvettes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/151—Gas blown
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
Definitions
- the present invention is incorporated in a line for supplying a raw material fluid such as an organic metal (MO) gas to a semiconductor manufacturing apparatus, and measures the concentration of gas in the gas supply line based on the principle of the absorptiometry. Relates to the device.
- a raw material fluid such as an organic metal (MO) gas
- Patent Document 1 an in-line type concentration meter incorporated in a raw material fluid supply line of a semiconductor manufacturing apparatus is known (for example, Patent Document 1).
- FIG. 8 shows a schematic configuration of an example of a related concentration measuring apparatus.
- light of a predetermined wavelength emitted from a light source 1 composed of a light emitting diode or the like is transmitted to a light incident part 3 through an optical fiber 2, and a window made of quartz glass or sapphire glass provided in the light incident part 3.
- the light After entering the gas flow path 5 through the material 4 and being absorbed by the gas in the gas flow path 5, the light passes through the facing window material 6 and is received by the light receiving unit 8 including the photodiode 7.
- the photodiode 7 converts the detected light into an electrical signal and outputs the electrical signal.
- the output signal is sent to the control computation unit 10 incorporating the CPU through the electrical wiring 9, and the control computation unit 10 performs a predetermined computation process.
- the gas concentration is displayed on the display unit 11.
- the control calculation unit 10 also controls a power source 12 that supplies power to the light source 1.
- the light source 1 can emit light having one or more wavelengths.
- the gas flow path 5 of FIG. 8 is connected to the measurement cell main body 15 and the measurement cell main body 15 via a gasket 16 as shown in FIG. And a light receiving part 8 connected to the measurement cell main body 15 via a gasket 17.
- the gas flow path 5 is linearly formed between the light incident part 3 and the light receiving part 8 so as to pass through the light path gas flow path part 5a to be an optical path L, and communicated with the light path gas flow path part 5a.
- a pair of left and right communication portions 5b and 5c that open to the bottom surface 15a of the main body 15.
- a window 4 and an optical fiber 2 are attached to the light incident portion 3.
- the light receiving unit 8 has a window member 6 and a photodiode 7 attached thereto.
- a gas inflow side joint 20 and a gas outflow side joint 21 are connected to the bottom surface 15 a of the measurement cell body 15.
- the window material 4 has a dead space D in which gas tends to stay in the vicinity of the window material 4. It has been found that the organometallic material is easily deposited on the window material 4 when the gas is flowed. The same applies to the window material 6 (FIG. 9).
- the first aspect of the in-line type concentration measuring apparatus includes a measurement cell body in which a gas flow path is formed, and a light provided with a window material connected to the measurement cell body.
- An incident portion and a light receiving portion connected to the measurement cell body and provided with a window material, and the gas flow path is linearly formed between the window material of the light incident portion and the window material of the light receiving portion.
- An optical path gas flow path portion formed as an optical path, a first communication section communicating with the optical path gas flow path portion from a gas inlet formed in the measurement cell main body, and formed in the measurement cell main body.
- a second communication portion communicating with the optical path gas flow path portion from the gas outlet port, and the first communication portion extends obliquely from the gas inlet port toward the window member of the light incident portion.
- the second communication part extends obliquely from the gas outlet to the window material of the light receiving part.
- a third aspect of the in-line type concentration measurement apparatus includes a measurement cell main body in which a gas flow path is formed, a light incident part that is connected to the measurement cell main body and includes a window material, and the measurement cell main body.
- An optical path gas that is formed in a straight line between the window material of the light incident part and the window material of the light receiving part, and serves as an optical path.
- a second communication part communicating with the flow path part, and the second communication part extends obliquely from the gas outlet toward the window member of the light receiving part.
- the flow passage cross-sectional area of the first communication portion is a flow break of the gas flow passage portion for the optical path. Smaller than the area.
- the light incident part holds an optical fiber and sandwiches the window material with the measurement cell body.
- a fitting recess is formed in one of the measurement cell main body and the holding body, and the fitting convex portion fitted into the fitting recess is formed on the measurement cell main body and the holding body.
- the window material is formed on the other side, and is sandwiched between the concave bottom of the fitting concave portion, the fitting convex portion, and the protruding end surface.
- the fitting concave portion is formed in the stepped concave portion, and the fitting convex portion is fitted in the stepped concave portion. And a stepped portion of the fitting concave portion and a stepped portion of the fitting convex portion are in contact with each other to form a seal surface.
- the light receiving unit holds a photodiode and sandwiches the window material with the measurement cell body.
- a fitting recess is formed in one of the measurement cell body and the holding body, and a fitting projection that fits in the fitting recess is formed on the other of the measurement cell body and the holding body.
- the window member is formed, and is sandwiched between the concave bottom of the fitting concave portion, the fitting convex portion, and the protruding end surface.
- the fitting recess is formed in a stepped recess, and the fitting protrusion is fitted in the stepped recess. And a stepped portion of the fitting concave portion and a stepped portion of the fitting convex portion are in contact with each other to form a seal surface.
- the light incident part makes the incident light incident on the optical path gas flow path part parallel light. Equipped with a collimating lens.
- the window material is configured to obliquely intersect the optical path of the optical path gas flow path section.
- a gas inflow path for sending gas to the first communication section is provided in communication with the gas inflow path. Is larger than the cross-sectional area of the first communication portion.
- the first communication portion that communicates from the gas inlet formed in the measurement cell main body to the gas path gas passage portion is directed from the gas inlet to the window material of the light incident portion. Since it is configured to extend obliquely, an undesirable material is deposited on the surface of the window material of the light incident portion by generating a gas flow on the surface of the window material, thereby eliminating gas stagnation in the vicinity of the window material. Can be reduced.
- the second communication portion also extends obliquely from the gas outlet toward the window member of the light receiving unit, thereby reducing the accumulation of undesirable materials on the surface of the window member of the light receiving unit. Can be made.
- the flow velocity of the first continuous passage is increased from the optical path gas flow passage portion by making the flow passage cross sectional area of the first continuous passage portion smaller than the flow passage cross sectional area of the optical path gas flow passage portion.
- FIG. 1 shows a first embodiment of an inline type concentration measuring apparatus according to the present invention.
- the in-line concentration measuring apparatus according to the first embodiment includes a measurement cell main body 15 in which a gas flow path 5 is formed, a light incident part 3 that is connected to the measurement cell main body 15 and includes a window material 4, and a measurement cell main body 15. And a light receiving unit 8 provided with a window member 6.
- the gas flow path 5 is formed in the measurement cell body 15 and the gas flow path gas path section 5a that is formed in a straight line between the window material 4 of the light incident section 3 and the window material 6 of the light receiving section 8 and serves as an optical path.
- the second serial communication portion 5B communicating with the optical path gas flow path portion 5a from the gas inlet port 5B1 and the second communication path communicating with the optical path gas flow path portion 5a from the gas outlet port 5C1 formed in the measurement cell body 15. And a communication part 5C.
- the first continuous portion 5B extends obliquely from the gas inlet 5B1 toward the window member 4 of the light incident portion 3.
- the measurement cell main body 15 includes left and right block bodies 15L and 15R and a tube body 15M that connects the left and right block bodies 15L and 15R.
- the tubular body 15M has a continuous cylindrical shape, but the intermediate portion is not shown in FIG.
- Various shapes can be adopted for the measurement cell main body. For example, instead of a cylindrical tube body, the entire shape can be formed as a rectangular parallelepiped as a single block body as shown in FIG.
- the gas inlet 5B1 and the gas outlet 5C1 are open to recesses 15b and 15c formed on the surface (bottom surface in the illustrated example) of the measurement cell main body 15. Joints J1 and J2 are connected to the recesses 15b and 15c through gaskets (see FIGS. 2 and 3).
- the second communication part 5C extends obliquely from the gas outlet 5C1 toward the window member 6 of the light receiving part 8.
- the flow passage cross-sectional area of the first continuous portion 5B is formed to be smaller than the flow passage cross-sectional area of the optical path gas flow passage portion 5a.
- the flow passage cross-sectional area of the first continuous portion 5B is for the optical path. It is 1/2 or less of the channel cross-sectional area of the gas channel part 5a.
- the light incident part 3 includes a holding body 25 that holds the optical fiber 2 and sandwiches the window material 4 facing the gas flow path 5 with the measurement cell main body 15.
- a fitting recess 15 d is formed in the measurement cell main body 15, and a fitting protrusion 25 a that fits in the fitting recess 15 d is formed in the holding body 25.
- the window material 4 is sandwiched between the concave bottom surface of the fitting concave portion 15d and the fitting convex portion 25a of the holding body 25 and the protruding end surface.
- a sapphire glass plate can be suitably used for the window materials 4 and 6, a sapphire glass plate can be suitably used.
- a gasket 26 is interposed between the holding body 25 and the measurement cell main body 15.
- the first communication part 5B opens on the window member 4 and communicates with the optical path gas flow path part 5a.
- the fitting convex part 25a is formed in the stepped convex part with the step part 25b fitted to the fitting recessed part 15d with a step.
- the step portion 15e of the fitting concave portion 15d and the step portion 25b of the fitting convex portion 25a come into contact with each other to form a seal surface on the contact surface.
- the light receiving unit 8 includes a window material 6 facing the gas flow path 5, a photodiode 7, and a holding body 30 that holds the photodiode 7 and holds the window material 6 between the measurement cell body 15.
- a fitting recess 15 f is formed in the measurement cell main body 15, and a fitting protrusion 30 a that fits in the fitting recess 15 f is formed in the holding body 30.
- the window material 6 is sandwiched between the concave bottom surface of the fitting concave portion 15 f and the protruding end surface of the fitting convex portion 30 a of the holding body 30.
- a fitting recess 15f is formed in a stepped recess having a step 15g, and a stepped protrusion having a step 30b in which the fitting protrusion 30a is fitted in the fitting recess 15f having a step 15g.
- the step portion 15g of the fitting concave portion 15f and the step portion 30b of the fitting convex portion 30a are in contact with each other, so that the contact surface forms a seal surface.
- the tube body 15M in which the optical path gas flow path section 5a is formed is detachably connected at the intermediate section by male and female couplings 15M1 and 15M2.
- Reference numeral 15M3 is a gasket for sealing. Joints J1 and J2 for connecting to pipes (not shown) are connected to the gas inlet 5B1 and the gas outlet 5C1 via sealing gaskets S1 and S2, respectively.
- a gas inflow path P1 is formed in the joint J1.
- the gas inflow passage P1 communicates with the first series passage 5B.
- the flow passage cross-sectional area of the gas inflow passage P1 is larger than the flow passage cross-sectional area of the first series passage 5B. Therefore, the flow rate of the gas that has passed through the gas inflow passage P1 increases when passing through the first series passage 5B.
- a gas outflow path P2 is formed in the joint J2.
- FIG. 4 shows a third embodiment of the in-line type concentration measuring apparatus according to the present invention.
- the window materials 4 and 6 are shown to be orthogonal to the optical path.
- the window materials 4 and 6 are oblique to the optical path L. It is configured to intersect.
- the measurement cell main body 15 has a surface on which the holding bodies 15L and 15R are attached obliquely cut.
- the inclination angle ⁇ of the window members 4 and 6 with respect to the plane orthogonal to the optical path L can be set to 10 ° to 45 °, for example.
- FIG. 5 shows a fourth embodiment of the in-line type concentration measuring apparatus according to the present invention.
- the in-line type concentration measuring apparatus according to the fourth embodiment includes a collimating lens 40 in the light incident part 3 that makes light incident on the optical path gas flow path part 5a parallel light.
- the collimating lens 40 can be disposed on the back side of the window material 4, that is, on the side opposite to the optical path gas flow path portion 5 a with the window material 4 interposed therebetween.
- the collimating lens 40 is accommodated in a cylindrical body 41 and fixed.
- the cylindrical body 41 is inserted into the hole 25 h of the holding body 25, and the flange 42 welded to the cylindrical body 41 is fixed to the holding body 25 with bolts 43.
- a connector 2 a that holds the optical fiber 2 is connected to a screw portion 41 a formed on the rear outer peripheral surface of the cylindrical body 41.
- FIG. 6 and 7 show a fifth embodiment and a sixth embodiment of the in-line type concentration measuring apparatus according to the present invention.
- the in-line type concentration measurement apparatuses of the fifth embodiment and the sixth embodiment both show a vertical type in which the optical path gas flow path portion 5a is oriented in the height direction.
- the sixth embodiment shown in FIG. 7 is a type in which the length of the optical path gas flow path portion 5a is longer than the length of the optical path gas flow path portion 5a of the fifth embodiment shown in FIG.
- the measurement cell main body 15 of the fifth embodiment and the sixth embodiment is formed of one block body. An optical path gas flow path portion 5a passes through the center of the measurement cell main body 15 in the vertical direction.
- a gas inlet 5B1 is formed on one side surface of the measurement cell main body 15, and a gas outlet 5C1 is formed on the other side surface.
- the gas inflow portion 5B1 and the optical path gas flow path portion 5a communicate with each other through the first communication portion 5B.
- the first continuous portion 5 ⁇ / b> B extends obliquely toward the window material 4 of the light incident portion 3.
- the optical path gas flow path part 5a and the gas outlet 5C1 communicate with each other through the second communication part 5C.
- the second communication portion 5C extends obliquely from the gas outlet 5C1 toward the window member 6 of the light receiving portion 8.
- the channel cross-sectional areas of the first communication part 5B and the second communication part 5C are formed smaller than the channel cross-sectional area of the optical path gas channel part 5a.
- Intermediate blocks M1, M2 are connected to the left and right side surfaces of the measurement cell main body 15, and joints J1, J2 are attached to the intermediate blocks M1, M2.
- a gas inflow passage P1 that communicates the intermediate block M1 and the joint J1 communicates with the first communication portion 5B.
- a gas outflow passage P2 that communicates the intermediate block M2 and the joint J2 communicates with the second communication portion 5C.
- the flow passage cross-sectional area of the gas inflow passage P1 is formed larger than the flow passage cross-sectional area of the first series passage 5B.
- Such a vertical type in-line type concentration measuring apparatus can reduce the ground contact area as compared with the horizontally long type as in the first to fourth embodiments.
- the in-line type concentration measuring apparatus having the above configuration includes a first communication part 5B that communicates from the gas inlet 5B1 formed in the measurement cell main body 15 to the optical path gas flow path part 5a, and a light incident part from the gas inlet 5B1. Since the flow of gas flowing in from the first continuous portion 5B is directed toward the surface of the window material 4 by extending obliquely toward the window material 4 of FIG. It is possible to prevent stagnation and reduce the adhesion of the organometallic material or the like to the surface of the window material 4.
- the flow rate of the first continuous portion 5B is increased from the optical path gas flow channel portion 5a by making the flow channel cross-sectional area of the first continuous flow portion 5B smaller than the flow channel cross sectional area of the optical path gas flow channel portion 5a.
- the light incident portion 3 such as an organic metal material on the window material 4.
- the flow rate of the first continuous passage portion 5B is increased by making the flow passage cross-sectional area of the first continuous passage portion 5B smaller than the flow passage sectional area of the gas inflow passage P1 that sends gas to the first continuous passage portion 5B.
- the light incident portion 3 such as an organic metal material on the window material 4.
- the fitting concave portion is formed in the holding body by forming the fitting concave portion in the measurement cell main body.
- the fitting convex portion is formed in the holding body by forming the fitting convex portion in the measuring cell main body. Can also be formed.
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Abstract
Description
3 光入射部
4 窓材
5 ガス流路
5a 光路用ガス流路部
5B 第一連通路
5B1 ガス流入口
5C 第二連通路
5C1 ガス流出口
6 窓材
7 フォトダイオード
8 受光部
15 測定セル本体
15d 嵌合凹部
15e 段部
15f 嵌合凹部
15g 段部
25 保持体
25a 嵌合凸部
25b 段部
30 保持体
30a 嵌合凸部
30b 段部
P1 ガス流入路
Claims (11)
- ガス流路が形成された測定セル本体と、該測定セル本体に接続されて窓材を備える光入射部と、前記測定セル本体に接続されて窓材を備える受光部と、を備え、
前記ガス流路は、前記光入射部の窓材と前記受光部の窓材との間に直線状に形成されて光路となる光路用ガス流路部と、前記測定セル本体に形成されたガス流入口から前記光路用ガス流路部に連通する第一連通部と、前記測定セル本体に形成されたガス流出口から前記光路用ガス流路部に連通する第二連通部と、を備え、前記第一連通部が前記ガス流入口から前記光入射部の窓材に向けて斜めに延びていることを特徴とするインライン型濃度計測装置。 - 前記第二連通部が前記ガス流出口から前記受光部の窓材に向けて斜めに延びていることを特徴とする請求項1に記載のインライン型濃度計測装置。
- ガス流路が形成された測定セル本体と、該測定セル本体に接続されて窓材を備える光入射部と、前記測定セル本体に接続されて窓材を備える受光部と、を備え、
前記ガス流路は、前記光入射部の窓材と前記受光部の窓材との間に直線状に形成されて光路となる光路用ガス流路部と、前記測定セル本体に形成されたガス流入口から前記光路用ガス流路部に連通する第一連通部と、前記測定セル本体に形成されたガス流出口から前記光路用ガス流路部に連通する第二連通部と、を備え、前記第二連通部が前記ガス流出口から前記受光部の窓材に向けて斜めに延びていることを特徴とするインライン型濃度計測装置。 - 前記第一連通部の流路断面積が、前記光路用ガス流路部の流路断面積より小さいことを特徴とする請求項1又は3に記載のインライン型濃度計測装置。
- 前記光入射部が、光ファイバーを保持するとともに前記窓材を前記測定セル本体との間で挟持する保持体を備え、
前記測定セル本体及び前記保持体の一方に嵌合凹部が形成されるとともに、該嵌合凹部に嵌合する嵌合凸部が前記測定セル本体及び前記保持体の他方に形成され、
前記窓材は、前記嵌合凹部の凹底と前記嵌合凸部と突端面との間で挟持されていることを特徴とする請求項1又は3に記載のインライン型濃度計測装置。 - 前記嵌合凹部が段付凹部に形成されるとともに、前記嵌合凸部が前記段付凹部に嵌合する段付凸部に形成され、前記嵌合凹部の段部と前記嵌合凸部の段部とが互いに当接することによりシール面を形成していることを特徴とする請求項5に記載のインライン型濃度計測装置。
- 前記受光部が、フォトダイオードを保持するとともに前記窓材を前記測定セル本体との間で挟持する保持体を備え、
前記測定セル本体及び前記保持体の一方に嵌合凹部が形成されるとともに、該嵌合凹部に嵌合する嵌合凸部が前記測定セル本体及び前記保持体の他方に形成され、
前記窓材は、前記嵌合凹部の凹底と前記嵌合凸部と突端面との間で挟持されていることを特徴とする請求項1又は3に記載のインライン型濃度計測装置。 - 前記嵌合凹部が段付凹部に形成されるとともに、前記嵌合凸部が前記段付凹部に嵌合する段付凸部に形成され、前記嵌合凹部の段部と前記嵌合凸部の段部とが互いに当接することによりシール面を形成していることを特徴とする請求項7に記載のインライン型濃度計測装置。
- 前記光入射部が、光路用ガス流路部に入射する入射光を平行光にするためのコリメートレンズを備えることを特徴とする請求項1又は3に記載のインライン型濃度計測装置。
- 前記窓材が、前記光路用ガス流路部の光路と斜めに交差するように構成されていることを特徴とする請求項1又は3に記載のインライン型濃度計測装置。
- 前記第一連通部にガスを送るガス流入路が連通して設けられ、該ガス流入路の流路断面積が前記第一連通部の流路断面積より大きいことを特徴とする請求項1又は3に記載のインライン型濃度計測装置。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016537745A JP6653881B2 (ja) | 2014-07-29 | 2015-07-23 | インライン型濃度計測装置 |
| KR1020167025317A KR20160120336A (ko) | 2014-07-29 | 2015-07-23 | 인라인형 농도 계측 장치 |
| US15/321,398 US10222323B2 (en) | 2014-07-29 | 2015-07-23 | Inline concentration measurement device |
| KR1020187023285A KR102128293B1 (ko) | 2014-07-29 | 2015-07-23 | 인라인형 농도 계측 장치 |
| CN201580024410.2A CN106662524A (zh) | 2014-07-29 | 2015-07-23 | 在线型浓度计量装置 |
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| JP (1) | JP6653881B2 (ja) |
| KR (2) | KR102128293B1 (ja) |
| CN (1) | CN106662524A (ja) |
| TW (1) | TWI681181B (ja) |
| WO (1) | WO2016017122A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230140581A (ko) | 2021-07-31 | 2023-10-06 | 가부시키가이샤 후지킨 | 농도 측정 장치 |
| JP2023160991A (ja) * | 2018-09-25 | 2023-11-02 | 株式会社フジキン | 濃度測定装置 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220155223A1 (en) * | 2019-03-28 | 2022-05-19 | Kyoto Electronics Manufacturing Co., Ltd. | Laser gas analysis device |
| JP6954405B2 (ja) * | 2019-05-16 | 2021-10-27 | ダイキン工業株式会社 | 液体センサ及び油圧ユニット |
| CN113685581A (zh) * | 2021-09-13 | 2021-11-23 | 上海神开石油科技有限公司 | 一种模块化气体流路分配装置 |
| CN121091534A (zh) * | 2025-11-12 | 2025-12-09 | 中科山海微(杭州)半导体技术有限公司 | 深紫外气动热管理扩束镜系统 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11183366A (ja) * | 1997-12-25 | 1999-07-09 | Nippon Sanso Kk | 分光分析用測定セル |
| JP2004198121A (ja) * | 2002-12-16 | 2004-07-15 | Tokai Univ | 燃焼排気中のすす凝集体の質量濃度測定方法及び装置 |
| JP2011127988A (ja) * | 2009-12-17 | 2011-06-30 | Mitsubishi Heavy Ind Ltd | ガス計測セル及びこれを用いたガス濃度計測装置 |
| JP2012137429A (ja) * | 2010-12-27 | 2012-07-19 | Mitsubishi Heavy Ind Ltd | レーザ計測装置 |
| JP2014102152A (ja) * | 2012-11-20 | 2014-06-05 | Fuji Electric Co Ltd | レーザ式ガス分析計 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3727050A (en) * | 1971-09-20 | 1973-04-10 | Perkin Elmer Corp | Gas analyzer |
| DE2904909C3 (de) * | 1979-02-09 | 1981-11-12 | Fa. Carl Zeiss, 7920 Heidenheim | Küvette für optische Messungen |
| US4455089A (en) * | 1982-08-25 | 1984-06-19 | Iowa State University Research Foundation, Inc. | Refractive index and absorption detector for liquid chromatography based on Fabry-Perot interferometry |
| JPS60231140A (ja) * | 1984-04-28 | 1985-11-16 | Fuji Electric Co Ltd | 光学的ガス濃度計 |
| US5942755A (en) * | 1997-02-19 | 1999-08-24 | Dragerwerk Ag | Infrared optical gas-measuring system |
| JPH11166886A (ja) * | 1997-12-04 | 1999-06-22 | Hitachi Ltd | 液体クロマトグラフ装置 |
| JP2000206045A (ja) | 1999-01-18 | 2000-07-28 | Horiba Ltd | インラインモニタ |
| DE10106046A1 (de) * | 2001-02-09 | 2002-08-29 | Draeger Medical Ag | Kombinierter Atemstromsensor |
| JP2004183771A (ja) * | 2002-12-03 | 2004-07-02 | Fujikin Inc | 流体制御装置 |
| US20050063869A1 (en) * | 2003-09-24 | 2005-03-24 | Stephane Follonier | Device, system and method of detecting targets in a fluid sample |
| US7352464B2 (en) * | 2004-01-05 | 2008-04-01 | Southwest Sciences Incorporated | Oxygen sensor for aircraft fuel inerting systems |
| US20080106737A1 (en) * | 2005-08-16 | 2008-05-08 | Amnon Weichselbaum | Detecting and counting bacteria suspended in biological fluids |
| US7547904B2 (en) * | 2005-12-22 | 2009-06-16 | Palo Alto Research Center Incorporated | Sensing photon energies emanating from channels or moving objects |
| DE102006004916B3 (de) * | 2006-02-01 | 2007-06-14 | GEA Process Engineering (NPS) Ltd., Eastleigh | Vorrichtung zur optischen Messung von Stoffkonzentrationen |
| US7649189B2 (en) * | 2006-12-04 | 2010-01-19 | Honeywell International Inc. | CRDS mirror for normal incidence fiber optic coupling |
| US7612885B2 (en) * | 2006-12-22 | 2009-11-03 | Honeywell International Inc | Spectroscopy method and apparatus for detecting low concentration gases |
| US8325329B2 (en) * | 2007-10-26 | 2012-12-04 | Arkray, Inc. | Sample detector and measurement device equipped with the same |
| GB2454517B (en) * | 2007-11-09 | 2010-10-06 | Scottish & Newcastle Plc | Ice fraction sensor |
| JP5357506B2 (ja) * | 2008-10-29 | 2013-12-04 | 三菱重工業株式会社 | 濃度測定方法および装置 |
| CN101694457B (zh) * | 2009-10-19 | 2011-01-05 | 浙江大学 | 一种气体浓度测量仪 |
| US8437000B2 (en) * | 2010-06-29 | 2013-05-07 | Honeywell International Inc. | Multiple wavelength cavity ring down gas sensor |
| EP2604999A1 (de) * | 2011-12-15 | 2013-06-19 | Mettler-Toledo AG | Gasmessgerät |
| JP6116117B2 (ja) * | 2011-12-22 | 2017-04-19 | 株式会社堀場製作所 | 水分濃度測定装置の校正方法及び校正装置 |
| CN202994224U (zh) * | 2012-06-01 | 2013-06-12 | 矢崎能源系统公司 | 流量测量装置 |
| JP2014044145A (ja) * | 2012-08-28 | 2014-03-13 | Shimadzu Corp | フローセル |
| JP2014055784A (ja) * | 2012-09-11 | 2014-03-27 | Shimadzu Corp | フローセル |
| US20140268157A1 (en) * | 2013-03-13 | 2014-09-18 | Campbell Scientific, Inc. | Open-path gas analyzer with environmental protection |
| CN105247344B (zh) * | 2013-05-09 | 2018-11-13 | 国立大学法人德岛大学 | 原料流体浓度检测器 |
| US9612198B2 (en) * | 2014-06-25 | 2017-04-04 | Oridion Medical 1987 Ltd. | Nano-opto-mechanical sensor |
| US9244003B1 (en) * | 2015-02-12 | 2016-01-26 | Yokogawa Electric Corporation | Alignment flange mounted optical window for a laser gas analyzer |
-
2015
- 2015-07-23 WO PCT/JP2015/003692 patent/WO2016017122A1/ja not_active Ceased
- 2015-07-23 KR KR1020187023285A patent/KR102128293B1/ko active Active
- 2015-07-23 JP JP2016537745A patent/JP6653881B2/ja active Active
- 2015-07-23 CN CN201580024410.2A patent/CN106662524A/zh active Pending
- 2015-07-23 US US15/321,398 patent/US10222323B2/en active Active
- 2015-07-23 KR KR1020167025317A patent/KR20160120336A/ko not_active Ceased
- 2015-07-27 TW TW104124254A patent/TWI681181B/zh active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11183366A (ja) * | 1997-12-25 | 1999-07-09 | Nippon Sanso Kk | 分光分析用測定セル |
| JP2004198121A (ja) * | 2002-12-16 | 2004-07-15 | Tokai Univ | 燃焼排気中のすす凝集体の質量濃度測定方法及び装置 |
| JP2011127988A (ja) * | 2009-12-17 | 2011-06-30 | Mitsubishi Heavy Ind Ltd | ガス計測セル及びこれを用いたガス濃度計測装置 |
| JP2012137429A (ja) * | 2010-12-27 | 2012-07-19 | Mitsubishi Heavy Ind Ltd | レーザ計測装置 |
| JP2014102152A (ja) * | 2012-11-20 | 2014-06-05 | Fuji Electric Co Ltd | レーザ式ガス分析計 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023160991A (ja) * | 2018-09-25 | 2023-11-02 | 株式会社フジキン | 濃度測定装置 |
| JP7563795B2 (ja) | 2018-09-25 | 2024-10-08 | 株式会社フジキン | 濃度測定装置 |
| KR20230140581A (ko) | 2021-07-31 | 2023-10-06 | 가부시키가이샤 후지킨 | 농도 측정 장치 |
| US12492985B2 (en) | 2021-07-31 | 2025-12-09 | Fujikin Incorporated | Density measurement device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20160120336A (ko) | 2016-10-17 |
| JPWO2016017122A1 (ja) | 2017-04-27 |
| JP6653881B2 (ja) | 2020-02-26 |
| TWI681181B (zh) | 2020-01-01 |
| TW201610414A (zh) | 2016-03-16 |
| KR20180095113A (ko) | 2018-08-24 |
| US10222323B2 (en) | 2019-03-05 |
| CN106662524A (zh) | 2017-05-10 |
| KR102128293B1 (ko) | 2020-06-30 |
| US20170199117A1 (en) | 2017-07-13 |
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