公开(公告)号：US08882219B2

公开(公告)日：2014-11-11

申请号：US13631102

申请日：2012-09-28

Applicant: FUJIFILM Corporation

Inventor： Kazuo Sanada

IPC: B41J29/38 ,  B41J19/20

CPC classification number: B41J19/20 ,  B41J19/202 ,  B41J19/205

Abstract: An inkjet recording apparatus includes: an inkjet head which has a nozzle and an ejection energy generating element configured to cause droplets to be ejected from an ejection port of the nozzle; a head movement device which is configured to reciprocally move the inkjet head to scan a recording medium onto which the droplets ejected from the inkjet head are deposited; a linear encoder which is configured to output signals to determine a position of the inkjet head; an ejection trigger signal generating device which is configured to generate ejection trigger signals in accordance with the output signals of the linear encoder, the ejection trigger signals specifying ejection timings of the inkjet head with a temporal resolution of 0.1 μs order; and an ejection control device which is configured to cause the inkjet head to eject the droplets in accordance with the ejection timings specified by the ejection trigger signals.

Abstract translation: 喷墨记录装置包括：具有喷嘴和喷射能量产生元件的喷墨头，该喷墨能量产生元件被配置为使喷嘴从喷嘴的喷射口喷出; 头部移动装置，其构造成往复移动喷墨头以扫描从喷墨头喷射的液滴沉积到其上的记录介质; 线性编码器，被配置为输出信号以确定喷墨头的位置; 喷射触发信号产生装置，被配置为根据线性编码器的输出信号产生喷射触发信号，喷射触发信号指定喷墨头的喷射定时，时间分辨率为0.1μs; 以及喷射控制装置，其构造成使得喷墨头根据由喷射触发信号指定的喷射定时喷射液滴。

公开(公告)号：US09878560B2

公开(公告)日：2018-01-30

申请号：US13962783

申请日：2013-08-08

Applicant: FUJIFILM CORPORATION

Inventor： Toshiyuki Makuta ,  Yasuhiko Kachi ,  Kazuo Sanada ,  Hirofumi Saita ,  Kazuaki Okamori

IPC: B41J11/00 ,  B42D15/00

CPC classification number: B41J11/0015 ,  B41J11/002 ,  B42D15/0053

Abstract: An inkjet recording method of the present invention includes preparing an inkjet recording apparatus having an inkjet head that has N (N≧4) nozzle arrays, so as to respectively discharge inks of at least four colors of cyan, magenta, yellow and black, having nozzles arranged in a first direction at a predetermined pitch P for discharging a curable ink which is cured by providing active energy, each of the nozzle arrays is arranged to be shifted in the first direction so as to have distances of more than 0 among each virtual line extending from each nozzle in a second direction perpendicular to the first direction, in which the viscosity of any of the respective inks at 25° C. is 10 to 30 mPa·s.

公开(公告)号：US09248668B2

公开(公告)日：2016-02-02

申请号：US14695393

申请日：2015-04-24

Applicant: FUJIFILM Corporation

Inventor： Kyohei Mochizuki ,  Yasuhiko Kachi ,  Kazuo Sanada ,  Hirofumi Saita ,  Kazuaki Okamori

IPC: B41J2/01 ,  B41J11/00 ,  B41J2/21 ,  B41J2/15

CPC classification number: B41J11/002 ,  B41J2/15 ,  B41J2/2107 ,  C09D11/101 ,  C09D11/322

Abstract: An inkjet recording apparatus for forming an image by discharging an ink including an ink pigment and a polymerizable compound containing at least an N-vinyl lactam, in which the 90% diameter in cumulative volume distribution of the particle diameters of the ink pigment is equal to or less than 500 nm and the content of N-vinyl lactam is 3% to 24%, from nozzles of an inkjet head, which includes nozzle arrays having nozzles each of which discharges a curable ink cured by applied active energy and which are arranged in the first direction at a pitch P, the nozzle arrays being N (N≧4) nozzle arrays of every color, which respectively discharge thick inks of at least four colors and which nozzle arrays are arranged to be shifted by P/N away from each other in the first direction.

Abstract translation: 一种喷墨记录装置，用于通过排出包括油墨颜料和至少含有N-乙烯基内酰胺的可聚合化合物的油墨来形成图像，其中油墨颜料的粒径的累积体积分布的90％直径等于 或小于500nm，并且N-乙烯基内酰胺的含量为3％至24％，其喷墨头的喷嘴包括具有喷嘴的喷嘴阵列，每个喷嘴排出通过施加的活性能固化的可固化油墨并且布置在 第一方向为间距P，喷嘴阵列为每种颜色的N（N≥4）个喷嘴阵列，其分别排出至少四种颜色的厚油墨，并且哪些喷嘴阵列布置成从每个颜色偏移P / N 其他在第一个方向。

公开(公告)号：US08807681B2

公开(公告)日：2014-08-19

申请号：US13916463

申请日：2013-06-12

Applicant: Fujifilm Corporation

Inventor： Hirofumi Saita ,  Kazuaki Okamori ,  Yasuhiko Kachi ,  Kazuo Sanada

IPC: B41J29/38 ,  B41J2/15 ,  B41J11/00 ,  B41J2/155 ,  B41J3/54

CPC classification number: B41J2/155 ,  B41J2/04501 ,  B41J2/2103 ,  B41J3/54 ,  B41J11/002

Abstract: In an inkjet head which has nozzle rows having nozzles each of which ejects curable inks cured by imparted activation energy and which are arranged in a first direction at a pitch P, the nozzle rows being N (N≧5) nozzle rows of every color which eject, respectively, thick inks of four colors including cyan, magenta, yellow and black, and at least one light ink among light inks similar in color tone to the thick inks, the nozzles in each of the nozzle rows are arranged so as to be shifted by P/N from each other in a first direction, a nozzle of an ink with lowest cure sensitivity is arranged on the most upstream side in a direction of relative movement of a recording medium in the first direction, and further the nozzle of light ink is arranged in between the nozzles of two different thick inks.

Abstract translation: 在具有喷嘴列的喷墨头中，喷嘴各喷出通过赋予的活化能而固化的可固化油墨，并以间距P排列在第一方向上，喷嘴列为每种颜色的N（N≥5）个喷嘴列 分别喷出包括青色，品红色，黄色和黑色的四种颜色的厚油墨，以及与色调相似的浅色油墨中的至少一种轻油墨，每个喷嘴列中的喷嘴被布置成 在第一方向上彼此偏移P / N，具有最低固化灵敏度的油墨的喷嘴在记录介质沿第一方向相对移动的方向上的最上游侧布置，并且还有喷嘴 油墨布置在两种不同厚度油墨的喷嘴之间。