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公开(公告)号：US20250065410A1
公开(公告)日：2025-02-27
申请号：US18810645
申请日：2024-08-21
Applicant: JEOL Ltd.
Inventor： Taku Hisaki , Takashi Sato , Kozo Koiwa
Abstract: Even when shape elements having opposing appropriate manufacturing conditions are mixed in one cross-sectional shape, the entire cross-sectional shape is manufactured under an appropriate manufacturing condition. A build data generating device generating build data for controlling a three-dimensional powder bed fusion additive manufacturing apparatus that manufactures an article by melting a cross-sectional shape of each layer by irradiation of a beam includes: a region segmentation unit that performs processing for segmenting the cross-sectional shape cut out from three-dimensional shape data of the article into a fine region and a coarse region; and a condition application unit that applies different manufacturing conditions to the fine region and the coarse region segmented by the region segmentation unit to generate the build data.
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公开(公告)号：US20220288696A1
公开(公告)日：2022-09-15
申请号：US17690314
申请日：2022-03-09
Applicant: JEOL Ltd.
Inventor： Taku Hisaki , Shinichi Kitamura , Takashi Sato , Ayumu Miyakita , Kozo Koiwa , Yohei Daino , Masahiko Kawakami , Nari Tsutagawa
Abstract: A three-dimensional powder bed fusion additive manufacturing apparatus includes a determination unit that determines presence or absence of powder scattering in a second preheating step using at least a third image that is an image of a powder layer photographed by a camera after the second preheating step among a first image that is an image of the powder layer photographed by the camera after a first preheating step, a second image that is an image of the powder layer photographed by the camera after the powder application step, and the third image.
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3.发明申请公开(公告)号：US20140341469A1
公开(公告)日：2014-11-20
申请号：US14276178
申请日：2014-05-13
Applicant: JEOL Ltd.
Inventor： Taku Hisaki
IPC: G06T5/40
CPC classification number: G06T5/40 , G06T5/009 , G06T2207/10056
Abstract: A method of image processing is offered which can control the degree of application of histogram equalization. The method involves: creating a brightness histogram indicating the frequency values of brightness levels of image data having brightness information (S12); obtaining a parameter value (S14); raising the frequency values of the brightness levels of the brightness histogram to an exponential power of the parameter value (S16); generating a tone curve, based on the frequency values raised to the exponential power of the parameter value (S18); and correcting the image data using the tone curve to thereby produce output image data (S20).
Abstract translation: 提供了可以控制直方图均衡的应用程度的图像处理方法。 该方法包括：创建指示具有亮度信息的图像数据的亮度级的频率值的亮度直方图（S12）; 获得参数值（S14）; 将亮度直方图的亮度级的频率值提高到参数值的指数函数（S16）; 基于提高到参数值的指数幂的频率值生成色调曲线（S18）; 并使用色调曲线校正图像数据，从而产生输出图像数据（S20）。
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公开(公告)号：US20250083395A1
公开(公告)日：2025-03-13
申请号：US18826391
申请日：2024-09-06
Applicant: JEOL Ltd.
Inventor： Taku Hisaki
IPC: B29C64/393 , B29C64/153 , B33Y50/02
Abstract: Provided is a build data generating device that generates build data for controlling a three-dimensional powder bed fusion additive manufacturing (PBF-AM) apparatus that manufactures an article by melting a cross-sectional shape of each layer by irradiation of a beam. The build data generating device includes: a display control unit that generates data indicating a distribution of an irradiation energy density accumulated in a target layer by beam scanning for the target layer based on the build data and outputs the data to a display device.
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Patent Agency Ranking
公开(公告)号：US20220288691A1
公开(公告)日：2022-09-15
申请号：US17690298
申请日：2022-03-09
Applicant: JEOL Ltd.
Inventor： Taku Hisaki , Shinichi Kitamura , Takashi Sato , Ayumu Miyakita , Kozo Koiwa , Yohei Daino , Masahiko Kawakami , Nari Tsutagawa
Abstract: A three-dimensional powder bed fusion additive manufacturing apparatus includes a powder application device that includes a squeegee and applies a powder material to a build plate to form a powder layer, a camera that photographs a manufactured surface of the powder layer, and a determination unit that determines whether powder application failure of the powder material has occurred using an image photographed by the camera while or immediately after the squeegee passes through the manufactured surface.
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公开(公告)号：US20250065416A1
公开(公告)日：2025-02-27
申请号：US18813263
申请日：2024-08-23
Applicant: JEOL Ltd.
Inventor： Taku Hisaki , Nari Tsutagawa
Abstract: An information processing apparatus includes: an irradiation point output unit configured to output an irradiation point of a manufacturing beam read from a manufacturing file to a display unit; a position specifying unit configured to specify a position of the irradiation point designated by an input unit; and a melting condition output unit 65 configured to search the manufacturing file for a melting condition of the irradiation point at the specified position and output the searched melting condition to the display unit.
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公开(公告)号：US20250065407A1
公开(公告)日：2025-02-27
申请号：US18813186
申请日：2024-08-23
Applicant: JEOL Ltd.
Inventor： Taku Hisaki , Takashi Sato , Kozo Koiwa
Abstract: Provided is a technique capable of reducing variation in density of scanning lines when generating the scanning lines for manufacturing an article by three-dimensional powder bed fusion additive manufacturing. A build data generating device generates build data for controlling the three-dimensional powder bed fusion additive manufacturing apparatus that melts the cross-sectional shape of each layer by irradiation of a beam to manufacture the article. The build data generating device includes a build data generating unit that generates a plurality of scanning lines in a region of the cross-sectional shape cut out from three-dimensional shape data of the article by a predetermined beam scanning method, and generates correction scanning lines in a portion where the arrangement of the scanning lines becomes sparse and/or a portion where the arrangement of the scanning lines becomes dense.
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公开(公告)号：US20240335885A1
公开(公告)日：2024-10-10
申请号：US18617081
申请日：2024-03-26
Applicant: JEOL Ltd.
Inventor： Nari Tsutagawa , Shinichi Kitamura , Takeshi Otsuka , Taku Hisaki
CPC classification number: B22F12/90 , B22F10/36 , B22F10/37 , B22F12/30 , B22F12/41 , B22F12/52 , B33Y30/00 , B33Y50/02
Abstract: A three-dimensional PBF-AM apparatus includes a build plate, a powder supply device, a beam irradiation device, a plurality of detection units, and a control unit. The control unit has a plurality of arithmetic expressions. Then, the control unit selects, according to a build step, a predetermined arithmetic expression from the plurality of arithmetic expressions, uses the selected arithmetic expression to perform arithmetic processing on a plurality of backscattered electron signals, and calculates an arithmetic signal.
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公开(公告)号：US11878348B2
公开(公告)日：2024-01-23
申请号：US17690298
申请日：2022-03-09
Applicant: JEOL Ltd.
Inventor： Taku Hisaki , Shinichi Kitamura , Takashi Sato , Ayumu Miyakita , Kozo Koiwa , Yohei Daino , Masahiko Kawakami , Nari Tsutagawa
CPC classification number: B22F10/85 , B22F10/28 , B22F12/67 , B22F12/90 , B33Y10/00 , B33Y30/00 , B33Y50/02
Abstract: A three-dimensional powder bed fusion additive manufacturing apparatus includes a powder application device that includes a squeegee and applies a powder material to a build plate to form a powder layer, a camera that photographs a manufactured surface of the powder layer, and a determination unit that determines whether powder application failure of the powder material has occurred using an image photographed by the camera while or immediately after the squeegee passes through the manufactured surface.
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