Patents Assigned to Rigaku Corporation
  • Patent number: 11525790
    Abstract: A sample holder (10) filled with a sample is held in a base member (20), and an airtight member (30) is mounted on the base member (20) so as to cover the surroundings of the sample holder (10), thereby forming a sample holding structure in a closed space. The airtight member (30) includes a fitting portion (35) which is configured to be fitted and mounted in a mounting portion (21).
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: December 13, 2022
    Assignee: RIGAKU CORPORATION
    Inventor: Koichiro Ito
  • Publication number: 20220390394
    Abstract: A quantitative analysis apparatus, a method, a program, and a manufacturing control system are provided. A WPPF section 320 for determining parameters of theoretical diffraction intensity by performing whole powder pattern fitting with respect to an X-ray diffraction profile to be analyzed, a scale factor acquiring section 325 for acquiring a scale factor of a test component among the determined parameters, a calibration curve storing section 350 for storing a calibration curve indicating a correlation between scale factors of the test component acquired with respect to a standard sample and content ratios of the test component in the standard sample, and a conversion section 370 for converting the scale factor of the test component acquired with respect to an objective sample into the content ratio of the test component in the objective sample using the stored calibration curve, are comprised.
    Type: Application
    Filed: June 2, 2022
    Publication date: December 8, 2022
    Applicant: Rigaku Corporation
    Inventors: Takahiro KUZUMAKI, Tetsuya OZAWA, Miki KASARI, Akihiro HIMEDA, Atsushi OHBUCHI, Takayuki KONYA
  • Patent number: 11513086
    Abstract: A sequential X-ray fluorescence spectrometer according to the present invention includes a total analysis time display unit configured to measure, for each kind of analytical sample, a standard sample which contains a component at a known content as a standard value to determine a measured intensity of each measurement line corresponding to the component. The total analysis time display unit is further configured to calculate, for each component, a counting time which gives a specified analytical precision by using the standard value and the measured intensity and to calculate a total counting time as a sum of the counting times of respective components. The total analysis time display unit is configured to calculate a total analysis time as a sum of the total counting time and a total non-counting time and to output the calculated total analysis time and the calculated counting times of the respective components.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: November 29, 2022
    Assignee: Rigaku Corporation
    Inventors: Yoshiyuki Kataoka, Yasuhiko Nagoshi
  • Publication number: 20220347679
    Abstract: A sample holder unit 400 capable of quickly and easily soaking a sample in a crystalline sponge, and of quickly and accurately performing single-crystal X-ray structure analysis, is provided. The sample holder unit comprises a sample holder 214 and an applicator 300. The applicator 300 comprises an opening 302 and a storing space in which the sample holder is stored; a seal part 304 provided on a contact surface with the sample holder stored in the storing space; and a pull-out prevention part 305 that prevents the sample holder from being pulled out from the opening 302, the pull-out prevention part engaged with the sample holder stored in the storing space.
    Type: Application
    Filed: November 21, 2019
    Publication date: November 3, 2022
    Applicant: Rigaku Corporation
    Inventor: Takashi SATO
  • Patent number: 11487043
    Abstract: An X-ray image generation device includes a moving mechanism that moves an object relative to a grating part in a direction crossing X-rays emitted toward the grating part. The grating part includes N (2?N) regions along the direction of movement by the moving mechanism. A cyclic direction of a grating structure in each of the plurality of gratings belonging to an ith (1?i?N?1) region out of the N regions and a cyclic direction of a grating structure in each of the plurality of gratings belonging to an (i+1)th region out of the N regions are different directions. The plurality of gratings are configured so that moiré interference fringes generated in the N regions have a cyclic intensity fluctuation measurable by the detector and of at least one cycle or more in the direction of movement by the moving mechanism.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: November 1, 2022
    Assignee: Rigaku Corporation
    Inventors: Masashi Kageyama, Kenichi Okajima, Kouichi Katou
  • Publication number: 20220307994
    Abstract: A tolerance error estimating apparatus, method, program, reconstruction apparatus and control apparatus capable of estimating a deviation of a drive axis from a reference position with respect to driving time are provided. A tolerance error estimating apparatus (processing apparatus 300) X-ray analysis apparatus comprises a specific position calculating section 320 for obtaining a specific position of a reference sample at each rotation driving time from X-ray detection images and a deviation amount calculating section 330 for calculating the deviation amount ?x in the x direction and ?y in the y direction of the center position of a rotation drive shaft as the rotation drive axis at each rotation driving time from the reference position based on the specific position, when the z direction of the orthogonal coordinate system fixed to the sample is set the direction parallel to the rotation drive axis.
    Type: Application
    Filed: March 24, 2022
    Publication date: September 29, 2022
    Applicant: Rigaku Corporation
    Inventor: Takumi OTA
  • Publication number: 20220278381
    Abstract: A structure for battery analysis of the present invention includes a pressurizing unit (30) having a pressurizing mechanism, and a pressure receiving unit (10) for receiving pressure acting on a sample battery (S), and pressurizes the sample battery (S) accommodated in a hollow portion of a battery accommodation unit (20) between the pressurizing unit (30) and the pressure receiving unit (10) to suppress expansion and contraction of the sample battery (S).
    Type: Application
    Filed: March 30, 2020
    Publication date: September 1, 2022
    Applicant: RIGAKU CORPORATION
    Inventors: Koichiro Ito, Suguru Sasaki
  • Publication number: 20220260506
    Abstract: A sequential X-ray fluorescence spectrometer according to the present invention includes a total analysis time display unit configured to measure, for each kind of analytical sample, a standard sample which contains a component at a known content as a standard value to determine a measured intensity of each measurement line corresponding to the component. The total analysis time display unit is further configured to calculate, for each component, a counting time which gives a specified analytical precision by using the standard value and the measured intensity and to calculate a total counting time as a sum of the counting times of respective components. The total analysis time display unit is configured to calculate a total analysis time as a sum of the total counting time and a total non-counting time and to output the calculated total analysis time and the calculated counting times of the respective components.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 18, 2022
    Applicant: RIGAKU CORPORATION
    Inventors: Yoshiyuki KATAOKA, Yasuhiko NAGOSHI
  • Patent number: 11408837
    Abstract: Provided is a fine structure determination method capable of easily determining tilt angles of columnar scattering bodies that are long in a thickness direction, and provided are an analysis apparatus and an analysis program thereof. There is provided an analysis method for a fine structure of a plate-shaped sample formed to have columnar scattering bodies that are long in a thickness direction and periodically arranged, comprising the steps of preparing scattering intensity data from the plate-shaped sample, that is generated via transmission of X-rays; and determining tilt angles of the scattering bodies in the plate-shaped sample with respect to a reference rotation position at which a surface of the plate-shaped sample is perpendicular to an incident direction of the X-rays, based on the prepared scattering intensity data.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: August 9, 2022
    Assignee: RIGAKU CORPORATION
    Inventors: Yoshiyasu Ito, Kazuhiko Omote
  • Patent number: 11402343
    Abstract: An X-ray fluorescence spectrometer of the present invention includes a counting time calculation unit (13) configured to: by a predetermined quantitative calculation method, determine each of quantitative values by using reference intensities of one standard sample and repeatedly perform a procedure of determining each of the quantitative values in a case where only a measured intensity of one of measurement lines is changed by a predetermined value, to calculate a ratio of a change in each of the quantitative values to the predetermined value as a quantitative-value-to-intensity change ratio, the one of the measurement lines having the measured intensity to be changed being different on each repetition of the procedure; and use quantitative-value-to-intensity change ratios calculated thereby for all the measurement lines to calculate a counting time for each of the measurement lines from a quantification precision specified for each of the quantitative values.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: August 2, 2022
    Assignee: RIGAKU CORPORATION
    Inventors: Yoshiyuki Kataoka, Takao Moriyama
  • Patent number: 11402341
    Abstract: A quantitative phase analysis device for analyzing non-crystalline phases comprising at least one microprocessor configured to: acquire the powder diffraction pattern of the sample; acquire information on one non-crystalline phase and one or more crystalline phases contained in the sample; acquire a fitting function; execute whole-powder pattern fitting, acquire a fitting result; and calculate a weight ratio of the one non-crystalline phase and the one or more crystalline phases. The fitting function for each of the one or more crystalline phases is one fitting function selected from the group consisting of a first fitting function that uses an integrated intensity obtained by whole-powder pattern decomposition, a second fitting function that uses an integrated intensity obtained by observation or calculation, and a third fitting function that uses a profile intensity obtained by observation or calculation. The fitting function for the one non-crystalline phase is the third fitting function.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: August 2, 2022
    Assignee: RIGAKU CORPORATION
    Inventors: Hideo Toraya, Norihiro Muroyama
  • Publication number: 20220198724
    Abstract: A center shift amount estimating apparatus for estimating a deviation between a rotation axis of the sample and a center of a detector with respect to an X-ray source in a CT device, comprises a region specifying unit for specifying a region of interest in a reconstructed uncorrected image to avoid an area where there is an extremely different pixel value from the surrounding area, a temporary correction unit for correcting an assumed center shift amount to reconstruct a temporarily corrected image with respect to the region of interest, an index analyzing unit for searching an extreme value of an index representing variation of pixel values in the temporarily corrected image, and a center shift amount specifying unit for specifying an actual center shift amount with respect to the extreme value.
    Type: Application
    Filed: December 22, 2021
    Publication date: June 23, 2022
    Applicant: Rigaku Corporation
    Inventor: Takumi Ota
  • Publication number: 20220178853
    Abstract: An X-ray fluorescence spectrometer of the present invention includes a counting time calculation unit (13) configured to: by a predetermined quantitative calculation method, determine each of quantitative values by using reference intensities of one standard sample and repeatedly perform a procedure of determining each of the quantitative values in a case where only a measured intensity of one of measurement lines is changed by a predetermined value, to calculate a ratio of a change in each of the quantitative values to the predetermined value as a quantitative-value-to-intensity change ratio, the one of the measurement lines having the measured intensity to be changed being different on each repetition of the procedure; and use quantitative-value-to-intensity change ratios calculated thereby for all the measurement lines to calculate a counting time for each of the measurement lines from a quantification precision specified for each of the quantitative values.
    Type: Application
    Filed: December 6, 2019
    Publication date: June 9, 2022
    Applicant: RIGAKU CORPORATION
    Inventors: Yoshiyuki KATAOKA, Takao MORIYAMA
  • Publication number: 20220170869
    Abstract: A transmission type small-angle scattering device of the present invention includes a goniometer 10 including a rotation arm 11. The rotation arm 11 is freely turnable around a ?-axis extending in a horizontal direction from an origin with a vertical arrangement state of the rotation arm being defined as the origin, and has a vertical arrangement structure in which an X-ray irradiation unit 20 is installed on a lower-side end portion of the rotation arm 11, and a two-dimensional X-ray detector 30 is installed on an upper-side end portion of the rotation arm 11 to form a vertical arrangement structure.
    Type: Application
    Filed: January 8, 2020
    Publication date: June 2, 2022
    Applicant: RIGAKU CORPORATION
    Inventors: Naoki Matsushima, Kiyoshi Ogata, Sei Yoshihara, Yoshiyasu Ito, Kazuhiko Omote, Hiroshi Motono, Shigematsu Asano, Katsutaka Horada, Sensui Yasuda
  • Publication number: 20220128487
    Abstract: An imaging type X-ray microscope capable of enlarging a numerical aperture even with high energy X-rays and acquiring a magnified image with sufficient intensity even in a laboratory. The imaging type X-ray microscope comprises an X-ray irradiation unit having a microfocal and high-power X-ray source and a condenser mirror for focusing and irradiating the emitted X-rays toward a sample, a sample holding unit for holding the sample, a reflecting mirror type X-ray lens unit for imaging X-rays transmitted through the sample, and an imaging unit for acquiring the imaged X-ray image, wherein each mirror constituting the condenser mirror and the reflecting mirror type X-ray lens unit has a reflecting surface formed with a multilayer film having a high reflectivity in X-rays of a specific wavelength.
    Type: Application
    Filed: October 14, 2021
    Publication date: April 28, 2022
    Applicant: Rigaku Corporation
    Inventors: Kazuhiko OMOTE, Raita HIROSE, Shuichi KATO, Yuriy PLATONOV
  • Publication number: 20220128494
    Abstract: A single-crystal X-ray structure analysis system capable of surely and easily performing a precise step of soaking a very small amount of a sample in a framework of a fine crystalline sponge, is provided. There are provided a soaking apparatus 500 and a single-crystal X-ray structure analysis apparatus, the single-crystal X-ray structure analysis apparatus comprising a sample holder that holds a sample, the sample holder comprising a porous complex crystal capable of soaking the sample in a plurality of fine pores formed therein; a goniometer that rotationally moves, the goniometer to which the sample holder is attached; an X-ray irradiation section that irradiates the X-rays from the X-ray source to the sample held by the sample holder attached to the goniometer; wherein the soaking apparatus 500 soaks the sample in the porous complex crystal of the sample holder.
    Type: Application
    Filed: November 21, 2019
    Publication date: April 28, 2022
    Applicant: Rigaku Corporation
    Inventor: Takashi SATO
  • Publication number: 20220128492
    Abstract: It is enabled to surely attach a sample holder to a goniometer head with good reproducibility in a relatively easy manner, the sample holder holding a porous complex crystal where a single-crystal is soaked. There is provided a single-crystal X-ray structure analysis apparatus that performs a structure analysis of a material, the apparatus comprising a goniometer having a goniometer head 514 to which a sample holder 310 is attached, the sample holder holding a porous complex crystal where a sample is soaked; an X-ray irradiation section that irradiates the X-rays to the porous complex crystal whose position is adjusted with the goniometer head 514, wherein a positioning portion for positioning the sample holder 310 to be attached is formed on a surface of the goniometer head 514, the sample holder 310 being attached onto the surface.
    Type: Application
    Filed: November 21, 2019
    Publication date: April 28, 2022
    Applicant: Rigaku Corporation
    Inventor: Takashi SATO
  • Publication number: 20220128491
    Abstract: A single-crystal X-ray structure analysis apparatus capable of surely and easily performing operations of removing/attaching a sample soaked in a crystalline sponge from/to the apparatus, and a sample holder attaching device thereof, are provided. There are provided a sample holder attaching device comprising a sample holder attaching mechanism 600 that attaches the sample holder 250 to a goniometer 12 in the single-crystal X-ray structure analysis apparatus in a state where the sample holder 250 is removed from the applicator 300; wherein the sample holder 250 comprises a porous complex crystal capable of soaking the sample in a plurality of fine pores formed therein, and the porous complex crystal is fixed at a position of the sample holder 250 to which X-rays are irradiated from an X-ray irradiation section, in a state where the sample holder 250 is attached to the goniometer 12.
    Type: Application
    Filed: November 21, 2019
    Publication date: April 28, 2022
    Applicant: Rigaku Corporation
    Inventor: Takashi SATO
  • Publication number: 20220128495
    Abstract: User-friendly single-crystal X-ray structure analysis apparatus and method for quickly performing a single-crystal X-ray structure analysis using a crystalline sponge and enabling the analysis including management of related information, and a sample holder and an applicator therefor are provided. There are provided a single-crystal X-ray structure analysis apparatus that performs a structure analysis of a material is provided, the apparatus comprising a sample holder that comprises a porous complex crystal capable of soaking the sample in a plurality of fine pores formed therein and that holds the sample; a goniometer that rotationally moves with the sample holder 250 being attached; and an information acquisition section 600 that acquires information about the porous complex crystal.
    Type: Application
    Filed: November 21, 2019
    Publication date: April 28, 2022
    Applicant: Rigaku Corporation
    Inventor: Takashi SATO
  • Publication number: 20220128490
    Abstract: A single-crystal X-ray structure analysis apparatus capable of surely and easily performing a single-crystal X-ray structure analysis using a crystalline sponge, and an analysis method and a sample holder unit thereof are provided. There are provided a sample holder that holds a sample; a goniometer that rotationally moves, the sample holder 250 being attached to the goniometer; an X-ray irradiation section that irradiates the X-rays from the X-ray source to the sample held by the sample holder 250 attached to the goniometer, wherein the sample holder 250 comprises a porous complex crystal capable of soaking the sample in a plurality of fine pores formed therein, and the applicator comprises a space for soaking the sample in the porous complex crystal of the sample holder 250.
    Type: Application
    Filed: November 21, 2019
    Publication date: April 28, 2022
    Applicant: Rigaku Corporation
    Inventor: Takashi SATO