公开(公告)号：US20170028711A1

公开(公告)日：2017-02-02

申请号：US15224050

申请日：2016-07-29

Applicant: FUJIFILM Corporation

Inventor： Yoshikazu HISHINUMA ,  Tadashi KYOSO ,  Yasutoshi HIRABAYASHI ,  Satoshi SHIMOBAYASHI

IPC: B41J2/045

CPC classification number: B41J2/04536 ,  B41J2/0456 ,  B41J2/04586 ,  B41J2/155 ,  B41J2202/11 ,  B41J2202/19 ,  B41J2202/20

Abstract: The production method for a liquid ejection head is provided, in which a first head module is set, a second candidate head module is selected, a first representative value of the first head module is acquired, a second representative value of the second candidate head module is acquired, an average value of the first representative value and the second representative value is derived, and the second candidate head module by which the derived average value is 0.76-fold or more and 1.24-fold or less of an average ejection volume target value is set as a second head module.

Abstract translation: 提供了一种液体喷射头的制造方法，其中设置有第一头模块，选择第二候选头模块，获取第一头模块的第一代表值，第二候选头模块的第二代表值 获取第一代表值和第二代表值的平均值，导出平均值为平均喷射量目标值的0.76倍以上且1.24倍以下的第二候选头模块 被设置为第二头模块。

公开(公告)号：US20170021612A1

公开(公告)日：2017-01-26

申请号：US15287371

申请日：2016-10-06

Applicant: FUJIFILM Corporation

Inventor： Jun YAMANOBE ,  Tadashi KYOSO ,  Katsuto SUMI

IPC: B41J2/045

CPC classification number: B41J2/0451 ,  B41J2/01 ,  B41J2/04558 ,  B41J2/2142 ,  B41J2/2146 ,  B41J29/38 ,  B41J2025/008 ,  B41J2029/3935

Abstract: A plurality of recording elements included in a printed head are grouped into a plurality of groups, a test order is set in units of groups, and a test of the recording elements is periodically performed in units of groups in the set test order. In a case where an abnormality is detected in the recording element as a result of the test, the recording element in which an abnormality is detected is recognized as a retest target, an order of tests is changed through interruption, and a retest of a group including the recording element recognized as a retest target is performed. In a case where an abnormality is detected again in the recording element that is a retest target as a result of the retest, the recording element that is a retest target is recognized as an abnormal recording element.

Abstract translation: 包括在打印头中的多个记录元件被分组成多个组，以组为单位设置测试顺序，并且以设定的测试顺序以组为单位周期性地执行记录元件的测试。 在作为测试的结果在记录元件中检测到异常的情况下，将检测到异常的记录元件识别为重新测试目标，通过中断改变测试顺序，并且重新测试组 包括被识别为重新测试目标的记录元件。 在作为重新测试的结果的作为重新测试目标的记录元件再次检测到异常的情况下，作为重新测试目标的记录元件被识别为异常记录元件。

公开(公告)号：US20130257954A1

公开(公告)日：2013-10-03

申请号：US13852902

申请日：2013-03-28

Applicant: FUJIFILM CORPORATION

Inventor： Tadashi KYOSO

IPC: B41J2/07

CPC classification number: B41J2/07 ,  B41J25/308

Abstract: A liquid ejection apparatus includes: a liquid ejection head configured to eject droplets of liquid toward a recording medium; an elevator device configured to change a distance between the liquid ejection head and the recording medium; a recording device configured to carry out recording onto the recording medium by driving the liquid ejection head to eject and deposit the droplets of the liquid onto the recording medium while driving the movement device to cause the relative movement of the liquid ejection head and the recording medium; an evaluation acquisition device configured to acquire droplet deposition performance of the liquid ejection head evaluated in accordance with results of the recording carried out on the recording medium; and a setting device configured to set the distance to as large a value as possible while satisfying droplet deposition performance required for the liquid ejection head, in accordance with the acquired droplet deposition performance.

Abstract translation: 液体喷射装置包括：液体喷射头，被配置为朝向记录介质喷射液滴; 电梯装置，其构造成改变所述液体喷射头与所述记录介质之间的距离; 记录装置，被配置为通过驱动液体喷射头来执行记录到记录介质上，以便在驱动移动装置的同时将液滴喷射并沉积到记录介质上，以引起液体喷射头和记录介质的相对运动 ; 评估获取装置，被配置为获取根据在记录介质上进行的记录结果评估的液体喷射头的液滴沉积性能; 以及设置装置，其被配置为根据所获取的液滴沉积性能，将距离设置为尽可能大，同时满足液体喷射头所需的液滴沉积性能。

公开(公告)号：US20250153495A1

公开(公告)日：2025-05-15

申请号：US19021162

申请日：2025-01-15

Applicant: FUJIFILM Corporation

Inventor： Tadashi KYOSO

IPC: B41J29/00 ,  B41J2/18 ,  B41J11/00

Abstract: Provided are a liquid droplet jetting apparatus and a manufacturing method of a printed article that maintain a good jetting state even in a case in which a low-density gas is used. A liquid droplet jetting apparatus includes: a liquid droplet jetting head that jets a liquid; a relative movement mechanism that moves a substrate and the liquid droplet jetting head relative to each other; and a control device that moves the substrate and the liquid droplet jetting head relative to each other and causes the liquid droplet jetting head to jet the liquid, to print an image on the substrate, in which a low-density gas having a lower density than air is contained between the liquid droplet jetting head and the substrate, the liquid droplet jetting head includes a circulation flow channel for circulating the liquid, and the control device circulates the liquid at least during printing.

公开(公告)号：US20230271426A1

公开(公告)日：2023-08-31

申请号：US18311885

申请日：2023-05-03

Applicant: FUJIFILM Corporation

Inventor： Tadashi KYOSO

IPC: B41J2/18 ,  B41J2/175

CPC classification number: B41J2/18 ,  B41J2/17596

Abstract: A sequence that includes first processing of generating a positive flow in a first direction in a liquid in a first flow passage including at least a part of a circulation flow passage through which the liquid is supplied from a liquid tank to the liquid jetting head and the liquid is collected from the liquid jetting head to the liquid tank and second processing of generating a negative flow in an opposite direction to the first direction in the liquid in the first flow passage, is executed. In the first flow passage, a filter that removes a foreign substance in the liquid is disposed between the liquid tank and the liquid jetting head in the positive flow. A flow rate of the liquid of the positive flow is higher than a flow rate of the liquid of the negative flow. The negative flow has a steady flow state.

公开(公告)号：US20170120647A1

公开(公告)日：2017-05-04

申请号：US15340963

申请日：2016-11-01

Applicant: FUJIFILM Corporation

Inventor： Tadashi KYOSO

IPC: B41J29/393 ,  B41J2/045

CPC classification number: B41J29/393 ,  B41J2/04505 ,  B41J2/04586 ,  B41J2/16579 ,  B41J2/16585 ,  B41J2/2142 ,  B41J2/2146

Abstract: An inkjet head ejection performance evaluation method includes: printing a test pattern for examining an ejection condition for each nozzle by an inkjet head and reading the test pattern by an image reading device; measuring a first depositing position for each nozzle from a read image to calculate an angle deviation amount of the inkjet head based on the first depositing position and pattern information; calculating at least one of a second depositing position and second deposit displacement amount in which an influence due to angle deviation caused is eliminated; calculating a moving amount caused by rotation of the angle deviation amount from a reference position of the nozzle at a reference attaching angle up to a current nozzle position; and calculating, by using these calculation results, at least one of a distance between the adjacent pixels and a third deposit displacement amount including the influence.

公开(公告)号：US20160052317A1

公开(公告)日：2016-02-25

申请号：US14718928

申请日：2015-05-21

Applicant: FUJIFILM Corporation

Inventor： Tadashi KYOSO

IPC: B41J29/393

CPC classification number: B41J3/60 ,  B41J29/38

Abstract: A gripping region is set at each of first and second ends of paper that is a medium. A region of a first surface excluding the gripping region is set as a first surface printable region. A first image printing region for printing a first image and a first test image printing region for printing a first test image are set in the first surface printable region. A region of a second surface excluding the gripping region is set as a second surface printable region. A second image printing region for printing a second image and a second test image printing region for printing a second test image are set in the second surface printable region. The first and second test image printing regions are set in the same region of the first and second surfaces.

Abstract translation: 夹持区域设置在作为介质的纸的第一和第二端的每一个处。 将除夹持区域之外的第一表面的区域设定为第一表面可印刷区域。 用于打印第一图像的第一图像打印区域和用于打印第一测试图像的第一测试图像打印区域被设置在第一表面可打印区域中。 除了把持区域之外的第二表面的区域被设定为第二表面可印刷区域。 用于打印第二图像的第二图像打印区域和用于打印第二测试图像的第二测试图像打印区域被设置在第二表面可打印区域中。 第一和第二测试图像打印区域被设置在第一和第二表面的相同区域中。

公开(公告)号：US20140111573A1

公开(公告)日：2014-04-24

申请号：US14058990

申请日：2013-10-21

Applicant: FUJIFILM CORPORATION

Inventor： Tadashi KYOSO

IPC: B41J2/145

CPC classification number: B41J2/145 ,  B41J29/393 ,  B41J2029/3935

Abstract: A method for analyzing positional deviation of head modules of an inkjet head having head modules connected and joined with each other includes: dividing a printing pattern and thereby creating division patterns; obtaining conversion factors of the nozzles of each division pattern; changing the number of nozzles used in calculation and thereby obtain a minimum value of a standard error of a positional deviation shift amount; changing the number of divisions of the division patterns and performing the calculation of the conversion factor and the standard error with the changed division patterns; determining the number of divisions and the number of nozzles with which the value of the standard error is minimal; and creating an analysis chart with the determined number of divisions and calculating the positional deviation shift amount based upon an average value of the positional deviation shift amounts of nozzles corresponding to the determined number of nozzles.

Abstract translation: 一种用于分析具有彼此连接和接合的头模块的喷墨头的头模块的位置偏差的方法，包括：分割印刷图案，从而形成分割图案; 获得每个划分图案的喷嘴的转换因子; 改变计算中使用的喷嘴的数量，从而获得位置偏移偏移量的标准误差的最小值; 改变分割图案的分割数，并用改变的分割图案执行转换因子和标准误差的计算; 确定标准误差值最小的划分数和喷嘴数; 以及创建具有确定的分割数的分析图，并且基于与所确定的喷嘴数相对应的喷嘴的位置偏移偏移量的平均值来计算位置偏移偏移量。

公开(公告)号：US20250010632A1

公开(公告)日：2025-01-09

申请号：US18888432

申请日：2024-09-18

Applicant: FUJIFILM Corporation

Inventor： Masao IKOSHI ,  Tadashi KYOSO ,  Taiga MIZOE

IPC: B41J2/18 ,  B41J2/21 ,  C09D11/322

Abstract: Provided is an ink jet recording method including a step of circulating an ink and jetting the ink from an ink jet head to apply the ink onto a recording medium, in which the number of white large particles as a white pigment having a particle diameter in a range of 0.8 μm to 5 μm in the ink is 1.00×104 pieces/cm3 or greater, the circulation flow passage includes a circulation tube for returning the ink to the ink jet head, and a velocity ratio (1) described below is 5.0×103 or greater and 1.4×105 or less. Vc represents a circulation flow rate (cm/s) of the ink in a connecting portion between the circulation tube and the ink jet head, Vslp represents a sedimentation velocity (cm/s) of the white large particles, which is defined by a predetermined equation, and Pn represents the number of the white large particles (pieces/cm3). Velocity ⁢ ratio ⁢ ( 1 ) = Vc / ( Vslp × log ⁡ ( Pn ) )

公开(公告)号：US20240198692A1

公开(公告)日：2024-06-20

申请号：US18587845

申请日：2024-02-26

Applicant: FUJIFILM Corporation

Inventor： Tadashi KYOSO

IPC: B41J2/21 ,  B41J2/175 ,  B41J2/045 ,  C09D11/322 ,  C09D11/54

CPC classification number: B41J2/2117 ,  B41J2/17563 ,  B41J2/04581 ,  C09D11/322 ,  C09D11/54

Abstract: The liquid supply device includes a circulation flow passage that communicates with a circulation port of a liquid jetting head and a supply port of the liquid jetting head and a pressurization device that pressurizes a liquid inside the circulation flow passage, wherein in a case where the liquid is circulated using the circulation flow passage, the pressurization device is controlled to pressurize the liquid, and in a case where a first liquid which has particles dispersed in a solvent and has a particle sedimentation characteristic different from that of a second liquid and where the particles are likely to be sedimented is circulated as the liquid, a pressure that is equal to or more than 2.0 times and equal to or less than 3.5 times a pressure to be applied to the second liquid in a case where the second liquid is circulated is applied to the first liquid.