WO2005106439A1 - 蛍光x線分析方法および装置 - Google Patents
蛍光x線分析方法および装置 Download PDFInfo
- Publication number
- WO2005106439A1 WO2005106439A1 PCT/JP2005/007774 JP2005007774W WO2005106439A1 WO 2005106439 A1 WO2005106439 A1 WO 2005106439A1 JP 2005007774 W JP2005007774 W JP 2005007774W WO 2005106439 A1 WO2005106439 A1 WO 2005106439A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sample
- ray
- cover
- closed
- rays
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000002441 X-ray diffraction Methods 0.000 title claims abstract description 18
- 238000004458 analytical method Methods 0.000 claims abstract description 34
- 238000004876 x-ray fluorescence Methods 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 18
- 230000001678 irradiating effect Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 5
- 238000012284 sample analysis method Methods 0.000 description 3
- 238000002083 X-ray spectrum Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/076—X-ray fluorescence
Definitions
- the present invention relates to a fluorescent X-ray which detects secondary X-rays (so-called fluorescent X-rays) secondary from the sample when the sample is irradiated with X-rays, and analyzes the components contained in the sample. It concerns analyzers.
- a general X-ray fluorescence analyzer includes an X-ray irradiation room provided with at least an X-ray source and an X-ray detector, and an X-ray irradiation port opened on the upper side of the X-ray irradiation room to mount a sample.
- the sample stage is composed of a sample stage and a sample cover, which is a hermetically sealed structure to prevent X-ray leakage to the outside.
- the sample cover can be opened and closed. reference.).
- the sample cover is first lifted, and the sample is placed on the sample stage so as to close the X-ray irradiation port. Then, lower the sample cover until it comes in contact with the sample stage and close it so that X-rays do not leak to the outside. Then, when the analysis start switch is turned on, X-rays are emitted from the X-ray source and are irradiated on the lower surface of the sample through the X-ray irradiation port. The X-ray fluorescence emitted from the irradiated area is detected by an X-ray detector, converted into an electric signal, and processed, resulting in an X-ray spectrum expressed as energy versus intensity.
- a sensor for detecting that the sample cover is in close contact with the sample stage is attached in order to prevent the X-ray from leaking to the surroundings.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-162161
- An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a fluorescent X-ray analysis method and apparatus capable of performing efficient analysis.
- the present invention has the following configuration.
- the fluorescent X-ray analysis method of the present invention is a fluorescent X-ray analysis method for irradiating a sample covered with a sample force bar attached to a sample stage in an openable and closable manner with X-rays and detecting the fluorescent X-ray generated from the sample cap Wherein the open / closed state of the sample cover is determined, and when the sample cover is closed, X-ray irradiation is started on the sample.
- the sample cover when the sample cover is closed, it is detected that the sample cover is closed, and the sample is automatically irradiated with X-rays, so that the analysis can be performed efficiently.
- An X-ray fluorescence spectrometer includes a sample stage on which a sample can be placed, a sample cover openably and closably mounted on the sample stage, X-ray irradiating means for irradiating the sample with X-rays, X-ray fluorescence detecting means for detecting X-ray fluorescence, sample cover opening / closing detecting means for detecting the open / closed state of the sample cover, and sample cover opening / closing detecting means.
- the fluorescent X-ray analysis method of the present invention is directed to a fluorescent X-ray analysis method of irradiating a sample covered with a sample power bar attached to a sample stage in an openable and closable manner with X-rays and detecting fluorescent X-rays generated from the sample cap. Determining the open / closed state of the sample cover, determining whether the sample is placed on the sample stage, and starting X-ray irradiation on the sample when the sample cover is closed. When the sample is not placed on the sample stage even when the sample cover is closed, the sample is not irradiated with X-rays.
- X-ray irradiation is automatically started on the sample when the sample cover is closed, so that the analysis can be performed efficiently. Also, even when the sample cover is closed, the sample is placed on the sample stage! / In other cases, the sample is not irradiated with X-rays, thus eliminating analysis work loss. It comes out.
- An X-ray fluorescence spectrometer includes a sample stage on which a sample can be placed, a sample cover openably and closably mounted on the sample stage, X-ray irradiating means for irradiating the sample with X-rays, X-ray fluorescence detection means for detecting X-ray fluorescence, sample cover open / close detection means for detecting the open / closed state of the sample cover, and sample recognition means for determining whether the sample is placed on the sample stage. Based on the signals from the sample cover opening / closing detection means and the sample recognition means, X-ray irradiation is started when the sample cover is closed and the sample is placed even when the sample cover is closed.
- the sample When there is no sample, the sample is not irradiated with X-rays.
- An X-ray irradiation start means is provided. According to the fluorescent X-ray analyzer, X-ray irradiation is automatically started on the sample when the sample cover is closed, so that the analysis can be performed efficiently. In addition, even when the sample cover is closed, the sample is placed on the sample stage! / In other cases, the sample is not irradiated with X-rays, thereby eliminating analysis work loss.
- FIG. 1 is a schematic explanatory view of a fluorescent X-ray analyzer of the present invention.
- FIG. 2 is an explanatory diagram of the operation of the X-ray fluorescence spectrometer of the present invention.
- FIG. 3 is an explanatory view of the operation of the fluorescent X-ray analyzer of the present invention.
- FIG. 4 is a flowchart of the fluorescent X-ray analyzer of the present invention.
- FIG. 5 is a schematic explanatory view of an X-ray fluorescence spectrometer of the present invention.
- FIG. 6 is a flowchart of the fluorescent X-ray analyzer of the present invention.
- FIG. 7 is a schematic explanatory view of a fluorescent X-ray analyzer of the present invention.
- FIG. 8 is a flowchart of the fluorescent X-ray analyzer of the present invention.
- FIG. 9 is an explanatory view of the operation of the fluorescent X-ray analyzer of the present invention.
- FIG. 10 is an explanatory diagram of the operation of the fluorescent X-ray analyzer of the present invention.
- FIG. 11 is a flowchart of the fluorescent X-ray analyzer of the present invention.
- the fluorescent X-ray analysis method and apparatus of the present invention provide a method for closing a sample set on a sample stage above an X-ray irradiation chamber, surrounding the sample by closing a sample cover from above the sample, and then forming an X-ray on the lower surface of the sample.
- a sample is set on the sample stage and the sample cover is closed, it is detected that the sample cover has been closed and X-rays are automatically emitted from the X-ray source. Irradiation and analysis are started.
- the X-ray is automatically detected only under the conditions that detect that the sample cover is closed and that the sample is placed above the X-ray irradiation port of the sample stage.
- the analysis is started by irradiating X-rays from the source.
- FIG. 1 is a schematic explanatory diagram of the X-ray fluorescence spectrometer of the present invention
- FIGS. 2 to 3 are explanatory diagrams of the operation of the X-ray fluorescence spectrometer of the present invention
- FIG. 4 is a flowchart of the X-ray fluorescence spectrometer of the present invention. It is.
- 1 is a sample to be measured
- 2 is a sample stage on which sample 1 is placed
- 3 is an X-ray source
- 4 is an X-ray detector
- 5 is an X-ray irradiation port
- 6 is a sample cover
- 7 is an X-ray irradiation room
- Reference numeral 8 denotes a pressure sensor as a cover detection means
- 9 denotes a driving means.
- the X-ray fluorescence analyzer has an X-ray irradiation chamber 7 equipped with an X-ray source 3 and an X-ray detector 4 on the lower surface of a sample stage 2, and receives X-rays from the X-ray source 3.
- the sample 1 is irradiated through the opened X-ray irradiation port 5 of the sample stage 2, and the X-ray detector 4 detects fluorescent X-rays.
- Sample stay A sample cover 6 that can be opened and closed to prevent leakage of X-rays is mounted on the top of page 2, and a pressure sensor, which is cover detection means 8 that detects opening and closing of the sample cover 6, is mounted on the sample stage 2.
- X-rays are emitted from X-ray source 3 by 9.
- the sample 1 is placed on the sample stage 2 with the sample cover 6 opened first as shown in FIG. Then, the sample cover 6 is closed as shown in FIG. At this time, the pressure sensor as the cover detecting means 8 detects that the sample cover 6 is closed, and the driving means 9 receiving the signal automatically irradiates X-rays from the X-ray source 3 to The sample 1 is irradiated from the X-ray irradiation port 5 of the stage 2.
- fluorescent X-rays are generated from the sample 1. After being detected by the X-ray detector 4, they are converted into electric signals, processed, and expressed as a pair of intensity of energy. X-ray spectrum. Note that a laser sensor or the like may be used as the cover detection means 8.
- the driving means 9 determines whether or not the cover 6 has been closed based on the signal from the cover detecting means 8 (whether the open state has also shifted to the closed state). Judgment is made (Step S2), and when the cover 6 is closed, the X-ray source 3 is driven to irradiate the sample 1 with X-rays (Step S3). That is, when the operator closes the sample force bar 6 after placing the sample 1 on the sample stage 2, X-ray irradiation is automatically started.
- the fluorescent X-ray analysis method and apparatus of the present invention when the sample cover is closed, it is detected that the sample cover has been closed, and the X-ray source power is automatically irradiated with X-rays for analysis. , The analysis can be performed efficiently.
- FIG. 5 is a schematic explanatory diagram of the X-ray fluorescence spectrometer of the present invention
- FIG. 6 is a flowchart of the X-ray fluorescence spectrometer of the present invention.
- Reference numeral 10 denotes a CCD camera serving as sample recognition means
- reference numeral 11 denotes a processing means.
- the X-ray fluorescence analyzer has a pressure sensor, which is a cover detection means 8 for detecting the opening and closing of the sample cover 6, and the presence and location of sample 1 on the sample stage 2 in the X-ray irradiation chamber 7. It has a CCD camera that is a sample recognition means 10 that recognizes The signal is sent to the driving means 9 by the processing means 11 for processing the signal of the recognition means 10, and X-rays are emitted from the X-ray source 3.
- the sample 1 is placed on the sample stage 2 with the sample cover 6 opened. Then, the sample cover 6 is closed. At this time, the pressure sensor as the cover detecting means 8 detects that the sample cover 6 is closed, and the CCD camera as the sample recognizing means 10 confirms the presence and position of the sample 1 on the sample stage 2. . Then, a signal that detects that the sample cover 6 is closed and a signal that recognizes that the sample 1 is placed above the X-ray irradiation port 5 of the sample stage 2 are sent to the processing means 11.
- the driving means 9 automatically irradiates the sample 1 with X-rays from the X-ray source 3 and irradiates the sample 1 from the X-ray irradiation port 5 of the sample stage 2. Then, when X-rays irradiate sample 1, fluorescent X-rays are generated from sample 1 and detected by X-ray detector 4, then converted into electrical signals, processed, and expressed as energy versus intensity. X-ray statue to be performed.
- the processing means 11 determines whether or not the cover 6 is closed (whether the open state has also shifted to the closed state) based on a signal from the cover detection means 8. Judge (step S2). When the cover 6 is closed, the processing means 11 determines whether or not the sample 1 is placed on the stage based on a signal from the sample recognition means 10 (Step S4). When the sample 1 is placed on the stage, the processing unit 11 instructs the driving unit 9 to emit X-rays from the X-ray source 3. The sample 1 is irradiated with X-rays by driving the X-ray source 3 (step S3). That is, when the operator closes the sample cover 6 after placing the sample 1 on the sample stage 2, X-ray irradiation is automatically started. However, when sample 1 is not placed, X-ray irradiation is not performed.
- the fluorescent X-ray analysis method and apparatus of the present invention when the sample cover is closed, the detection of the closed sample cover and the sample being placed above the X-ray irradiation port of the sample stage are performed. When both are satisfied, the system automatically irradiates X-rays from the X-ray source and starts the analysis, which enables efficient analysis and reduces analysis work loss. Can be eliminated.
- the sample is recognized by the CCD camera, it is possible to take images from a distance that does not affect the X-ray fluorescence analysis. Further, it is possible to visually check the image obtained by the CCD camera, and to check the force of the sample placed at an appropriate position on the sample stage.
- a sample recognizing means for example, a photo interrupter such as an LED and a phototransistor may be used instead of the CCD camera. In that case, one of the members constituting the photointerrupter is fixed to the sample cover. Further, a reflection type photo sensor may be used.
- FIG. 7 is a schematic explanatory view of the X-ray fluorescence analyzer of the present invention
- FIG. 8 is a flowchart of the X-ray fluorescence analyzer of the present invention.
- Reference numeral 12 denotes a pressure sensor as a sample recognition unit.
- the X-ray fluorescence analyzer uses a pressure sensor, which is the cover detection means 8 that detects the opening and closing of the sample cover 6 on the sample stage, and a sample recognition device that recognizes the presence and position of the sample 1 on the sample stage 2.
- a pressure sensor as means 12 is incorporated, and a signal is sent to the driving means 9 by the cover detecting means 8 and the processing means 11 for processing the signals of the sample recognizing means 12, and X-rays are emitted from the X-ray source 3.
- the sample 1 is placed on the sample stage 2 with the sample cover 6 opened. Then, the sample cover 6 is closed. At this time, the pressure sensor as the cover detecting means 8 detects that the sample cover 6 is closed, and confirms the presence and position of the sample 1 on the sample stage 2 as the pressure-sensitive device force as the sample recognizing means 12. . Then, a signal that detects that the sample cover 6 is closed and a signal that recognizes that the sample 1 is placed above the X-ray irradiation port 5 of the sample stage 2 are sent to the processing unit 11.
- the driving means 9 automatically irradiates the sample 1 with X-rays from the X-ray source 3 and irradiates the sample 1 from the X-ray irradiation port 5 of the sample stage 2. Then, when X-rays irradiate the sample 1, fluorescent X-rays are generated from the sample 1 and detected by the X-ray detector 4, converted into electric signals, processed, and expressed as energy versus intensity. X-ray statue to be performed.
- the processing means 11 determines whether or not the cover 6 has been closed based on a signal from the cover detection means 8 (whether or not the open state has also shifted to the closed state). Judge (step S2). When the cover 6 is closed, the processing means 11 determines whether or not the sample 1 is placed on the stage based on a signal from the sample recognition means 10 (Step S4). When the sample 1 is placed on the stage, the processing unit 11 instructs the driving unit 9 to emit X-rays from the X-ray source 3. The sample 1 is irradiated with X-rays by driving the X-ray source 3 (step S3). That is, when the operator closes the sample cover 6 after placing the sample 1 on the sample stage 2, X-ray irradiation is automatically started. However, when sample 1 is not placed, X-ray irradiation is not performed.
- the fluorescent X-ray analysis method and apparatus of the present invention when the sample cover is closed, the detection of the closed sample cover and the sample being placed above the X-ray irradiation port of the sample stage are performed. If both conditions are satisfied, the system automatically irradiates X-rays from the X-ray source and starts analysis, so that analysis can be performed efficiently and analysis work loss can be eliminated. In addition, since the sample on the sample stage is recognized by the pressure sensitive device, the sample can be reliably recognized even in darkness.
- the X-ray irradiation on the sample is started by the driving means driving the X-ray source.
- the X-ray irradiation may be started by the shirt opening operation by the shirt driving unit. .
- a shirt 14 is arranged between the X-ray source 3 and the sample 1.
- the shirt 14 is made of a material that can safely block generated X-rays, and a material having a sufficient thickness, such as tungsten or SUS.
- the shutter 14 is movable by the shutter driving unit 15 between a closed position for covering the X-ray source 3 and an open position for opening the X-ray source 3.
- a signal from the processing unit 11 causes a Moves the shirt 14 to the closed position shown in FIG. 9 (step S5).
- the driving unit 9 drives the X-ray source 3 to emit X-rays (Step S6). In this state, the X-ray does not reach the sample 1 and the leakage to the outside is minimized by the shirt 14.
- the processing means 11 determines whether or not the cover 6 is closed (whether or not the open state force is changed to the closed state) based on the signal from the cover detecting means 8 (step S2). .
- the processing means 11 sends a signal to the shutter driver 15 to move the shutter 14 to the open position (step S7).
- the sample 1 is irradiated with X-rays from the X-ray source 3. That is, when the operator closes the sample cover 6 after placing the sample 1 on the sample stage 2, X-ray irradiation is automatically started. However, when sample 1 is not placed, X-ray irradiation is not performed.
- the X-ray source automatically irradiates X-rays and the analysis is started. Can be.
- the X-ray fluorescence analysis method and apparatus of the present invention can be used not only for research and development purposes but also for plants that want to increase the efficiency of measurement work and achieve high-speed operation.
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- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/587,930 US7515685B2 (en) | 2004-04-28 | 2005-04-25 | Fluorescent X-ray analysis method and device |
CN200580013285.1A CN1965228B (zh) | 2004-04-28 | 2005-04-25 | 荧光x射线分析方法及装置 |
EP05734381A EP1744151B1 (en) | 2004-04-28 | 2005-04-25 | Fluorescent x-ray analysis method and equipment |
JP2006512768A JP4575369B2 (ja) | 2004-04-28 | 2005-04-25 | 蛍光x線分析方法および装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-133134 | 2004-04-28 | ||
JP2004133134 | 2004-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005106439A1 true WO2005106439A1 (ja) | 2005-11-10 |
Family
ID=35241782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/007774 WO2005106439A1 (ja) | 2004-04-28 | 2005-04-25 | 蛍光x線分析方法および装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7515685B2 (ja) |
EP (1) | EP1744151B1 (ja) |
JP (1) | JP4575369B2 (ja) |
CN (1) | CN1965228B (ja) |
WO (1) | WO2005106439A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014038055A (ja) * | 2012-08-20 | 2014-02-27 | Hitachi High-Technologies Corp | 分光光度計 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5481321B2 (ja) | 2010-08-31 | 2014-04-23 | 株式会社日立ハイテクサイエンス | 蛍光x線分析装置及び蛍光x線分析方法 |
US9335280B2 (en) | 2011-10-06 | 2016-05-10 | X-Ray Optical Systems, Inc. | Mobile transport and shielding apparatus for removable x-ray analyzer |
JP6096418B2 (ja) * | 2012-04-12 | 2017-03-15 | 株式会社堀場製作所 | X線検出装置 |
JP6096419B2 (ja) * | 2012-04-12 | 2017-03-15 | 株式会社堀場製作所 | X線検出装置 |
JP2014035334A (ja) * | 2012-08-10 | 2014-02-24 | Hitachi High-Tech Science Corp | 蛍光x線分析方法及び蛍光x線分析装置 |
JP6305327B2 (ja) * | 2014-12-04 | 2018-04-04 | 株式会社日立ハイテクサイエンス | 蛍光x線分析装置 |
US10175184B2 (en) | 2015-06-22 | 2019-01-08 | Moxtek, Inc. | XRF analyzer for light element detection |
CA3100580A1 (en) * | 2018-05-18 | 2019-11-21 | Enersoft Inc. | Geological analysis system and methods using x-ray flurescence and spectroscopy |
CN109239115A (zh) * | 2018-08-31 | 2019-01-18 | 和辰(深圳)科技有限公司 | Xrf检测仪 |
US20220390373A1 (en) * | 2019-11-08 | 2022-12-08 | Horiba, Ltd. | Laser analysis device |
JP7302504B2 (ja) * | 2020-02-27 | 2023-07-04 | 株式会社島津製作所 | 蛍光x線分析装置 |
CN115575431B (zh) * | 2022-10-12 | 2023-11-21 | 嘉泰检验认证有限公司 | 一种产品环保性检测用的检测仪及检测方法 |
Citations (5)
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JPS5967409A (ja) * | 1982-09-24 | 1984-04-17 | Seiko Instr & Electronics Ltd | 螢光x線膜厚計 |
JPH06123716A (ja) | 1992-10-11 | 1994-05-06 | Horiba Ltd | 螢光x線分析装置のx線発生制御機構 |
JP2000356607A (ja) * | 1999-06-15 | 2000-12-26 | Seiko Instruments Inc | 蛍光x線分析計 |
US6178227B1 (en) | 1998-04-17 | 2001-01-23 | Seiko Instruments Inc. | Portable-type fluorescent X-ray analyzer |
JP2003156458A (ja) * | 2001-11-22 | 2003-05-30 | Rigaku Industrial Co | 開閉検知機能付きx線分析装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000162161A (ja) | 1998-11-26 | 2000-06-16 | Shimadzu Corp | 蛍光x線分析装置 |
JP2002039975A (ja) * | 2000-07-27 | 2002-02-06 | Seiko Instruments Inc | 蛍光x線分析計 |
CN1176370C (zh) * | 2002-12-20 | 2004-11-17 | 中国科学院上海光学精密机械研究所 | X射线荧光全息层析成像装置 |
-
2005
- 2005-04-25 EP EP05734381A patent/EP1744151B1/en not_active Not-in-force
- 2005-04-25 WO PCT/JP2005/007774 patent/WO2005106439A1/ja not_active Application Discontinuation
- 2005-04-25 JP JP2006512768A patent/JP4575369B2/ja not_active Expired - Fee Related
- 2005-04-25 CN CN200580013285.1A patent/CN1965228B/zh not_active Expired - Fee Related
- 2005-04-25 US US11/587,930 patent/US7515685B2/en active Active
Patent Citations (5)
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JPS5967409A (ja) * | 1982-09-24 | 1984-04-17 | Seiko Instr & Electronics Ltd | 螢光x線膜厚計 |
JPH06123716A (ja) | 1992-10-11 | 1994-05-06 | Horiba Ltd | 螢光x線分析装置のx線発生制御機構 |
US6178227B1 (en) | 1998-04-17 | 2001-01-23 | Seiko Instruments Inc. | Portable-type fluorescent X-ray analyzer |
JP2000356607A (ja) * | 1999-06-15 | 2000-12-26 | Seiko Instruments Inc | 蛍光x線分析計 |
JP2003156458A (ja) * | 2001-11-22 | 2003-05-30 | Rigaku Industrial Co | 開閉検知機能付きx線分析装置 |
Non-Patent Citations (1)
Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014038055A (ja) * | 2012-08-20 | 2014-02-27 | Hitachi High-Technologies Corp | 分光光度計 |
Also Published As
Publication number | Publication date |
---|---|
US20080192888A1 (en) | 2008-08-14 |
JPWO2005106439A1 (ja) | 2007-12-13 |
CN1965228B (zh) | 2010-12-08 |
US7515685B2 (en) | 2009-04-07 |
EP1744151A1 (en) | 2007-01-17 |
JP4575369B2 (ja) | 2010-11-04 |
EP1744151A4 (en) | 2008-12-17 |
EP1744151B1 (en) | 2012-02-22 |
CN1965228A (zh) | 2007-05-16 |
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