公开(公告)号：US06652079B2

公开(公告)日：2003-11-25

申请号：US09947059

申请日：2001-09-06

申请人： Ken Tsuchii ,  Mineo Kaneko ,  Masaki Oikawa ,  Ryoji Inoue ,  Kenji Yabe

发明人： Ken Tsuchii ,  Mineo Kaneko ,  Masaki Oikawa ,  Ryoji Inoue ,  Kenji Yabe

IPC分类号： B41J205

CPC分类号： B41J2/1404 ,  B41J2/1603 ,  B41J2/1623 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2002/14185 ,  B41J2002/14475

摘要： An ink jet recording head that is capable of avoiding damages due to cavitation of an electrothermal converting element and thus extending its life is provided. The ink jet recording head comprises a plurality of ink discharge ports for discharging ink; a plurality of electrothermal converting elements provided to be associated with each of the ink discharge ports, respectively, for bubbling and discharging the ink; a plurality of pressure chambers for containing the electrothermal converting elements and providing spaces for heating and bubbling the ink; a common liquid chamber for supplying ink to the plurality of pressure chambers; and a plurality of ink flow paths for communicating the pressure chambers with the common liquid chamber. The ink flow paths are arranged such that central lines in a direction of ink supply to the pressure chambers are positioned offset from central lines of the electrothermal converting elements in the same direction.

摘要翻译： 提供了一种能够避免由于电热转换元件的空化造成的损坏从而延长其寿命的喷墨记录头。 喷墨记录头包括用于排墨的多个喷墨口; 多个电热转换元件分别设置成与每个喷墨口相关联，用于使油墨发泡和排出; 多个压力室，用于容纳电热转换元件并提供用于加热和鼓泡墨水的空间; 用于向所述多个压力室供应墨水的公共液体室; 以及用于使压力室与公共液体室连通的多个墨流路。 油墨流动路径被布置成使得朝向压力室的供墨方向的中心线沿相同方向定位成偏离电热转换元件的中心线。

公开(公告)号：US06984025B2

公开(公告)日：2006-01-10

申请号：US10419131

申请日：2003-04-21

申请人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

发明人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

IPC分类号： B41J2/05

CPC分类号： B41J2/14056 ,  B41J2002/14169 ,  B41J2002/14185 ,  B41J2002/14387

摘要： An ink jet head includes a substrate provided with heat generating members for generating a bubble in ink on a surface of the substrate, a plurality of discharge ports for discharging the ink, the ports opposed to the surface of the substrate, and a plurality of ink flow passages communicating with the plurality of discharge ports to feed the ink. A plurality of the heat generating members is provided in each of the ink flow passages, and the discharge port is arranged on an extension line extending from a center of a pressure generating area composed of the plurality of heat generating members toward the surface of the substrate in a normal direction. Moreover, a distance dhc between centers of each of two heat generating members arranged most apart from each other among the plurality of heat generating members is set to be larger than a diameter do of an aperture of the discharge port. In the ink jet head, even if the center position of the discharge port and the center position of the pressure generating area are somewhat shifted from each other, main liquid droplets of the ink are discharged from the discharge port without generating no shift in their discharge directions.

摘要翻译： 喷墨头包括：基板，其设置有用于在基板的表面上产生油墨的发热部件，用于排出墨水的多个排出口，与基板的表面相对的端口，以及多个墨水 与多个排出口连通的流动通道供给油墨。 在每个墨流动通道中设置有多个发热元件，并且排出口设置在从由多个发热元件组成的压力产生区域的中心朝向基板的表面延伸的延伸线 在正常的方向。 此外，将多个发热部件中彼此最大配置的两个发热部件的中心之间的距离dhc设定为大于排出口的孔径的直径do。 在喷墨头中，即使排出口的中心位置和压力​​产生区域的中心位置相互稍微偏移，墨水的主液滴从排出口排出，也不会产生排出位移 方向。

公开(公告)号：US07527352B2

公开(公告)日：2009-05-05

申请号：US11589871

申请日：2006-10-31

申请人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

发明人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

IPC分类号： B41J2/135

CPC分类号： B41J2/14056 ,  B41J2/1404 ,  B41J2/1412 ,  B41J2/14129 ,  B41J2002/14177 ,  B41J2002/14185 ,  B41J2002/14387

摘要： An ink jet recording head is provided with one heat generating member in each of ink flow paths, and the discharge port thereof is arranged on the extended line extending in the normal direction from the center of the main surface of the heat generating member to the surface of the substrate. Then, on the surface of the substrate, non-bubbling area is provided on the center within the projected area having the discharge port projected thereon. Bubble brought to the boil by the heat generating member pushes out ink from the discharge port by the pressure exerted by the bubble, while being communicated with the outside. With the structure thus arranged, it is made possible to enhance the precision of discharge direction of the liquid droplet discharged from the discharge port.

摘要翻译： 喷墨记录头在每个墨流路中设置有一个发热元件，其排出口设置在从发热元件的主表面的中心向正方向延伸的延伸线上 的基底。 然后，在基板的表面上，在喷出口突出的投影区域的中央部设置非发泡区域。 通过发热部件沸腾的泡沫在与外部连通的同时，由气泡施加的压力从排出口推出墨水。 利用如此布置的结构，可以提高从排出口排出的液滴的排出方向的精度。

公开(公告)号：US07172264B2

公开(公告)日：2007-02-06

申请号：US11265100

申请日：2005-11-03

申请人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

发明人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

IPC分类号： B41J2/14 ,  B41J2/16

CPC分类号： B41J2/14056 ,  B41J2/1404 ,  B41J2/1412 ,  B41J2/14129 ,  B41J2002/14177 ,  B41J2002/14185 ,  B41J2002/14387

摘要： An ink jet recording head is provided with one heat generating member in each of ink flow paths, and the discharge port thereof is arranged on the extended line extending in the normal direction from the center of the main surface of the heat generating member to the surface of the substrate. Then, on the surface of the substrate, non-bubbling area is provided on the center within the projected area having the discharge port projected thereon. Bubble brought to the boil by the heat generating member pushes out ink from the discharge port by the pressure exerted by the bubble, while being communicated with the outside. With the structure thus arranged, it is made possible to enhance the precision of discharge direction of the liquid droplet discharged from the discharge port.

摘要翻译： 喷墨记录头在每个墨流路中设置有一个发热元件，其排出口设置在从发热元件的主表面的中心向正方向延伸的延伸线上 的基底。 然后，在基板的表面上，在喷出口突出的投影区域的中央部设置非发泡区域。 通过发热部件沸腾的泡沫在与外部连通的同时，由气泡施加的压力从排出口推出墨水。 利用如此布置的结构，可以提高从排出口排出的液滴的排出方向的精度。

公开(公告)号：US07077503B2

公开(公告)日：2006-07-18

申请号：US10420920

申请日：2003-04-23

申请人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

发明人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

IPC分类号： B41J2/14

CPC分类号： B41J2/1412 ,  B41J2/1404 ,  B41J2/14056 ,  B41J2002/14169 ,  B41J2002/14177 ,  B41J2002/14387

摘要： An ink jet head according to the present invention includes multiple discharge ports for discharging ink, multiple ink flow paths for communicating with the discharge ports, and heat generating elements for generating bubbles in ink filling the ink flow paths. For each ink flow path, two heat generating elements are arranged therein, and the discharge port is arranged along a line that is extended, from the center of a pressure generation region formed by the two heat generating elements, in the normal direction relative to the surface of the substrate. The arrangement pitch of the heat generating elements is equal to or greater than 600 dpi, and the interval dhn between a partition wall defining an ink flow path and the heat generating element adjacent to the partition wall is equal to or smaller than 4 μm.

摘要翻译： 根据本发明的喷墨头包括用于排出墨的多个排出口，用于与排出口连通的多个墨流路和用于在填充墨流路的墨中产生气泡的发热元件。 对于每个油墨流路，在其中布置有两个发热元件，并且排出口沿着从两个发热元件形成的压力产生区域的中心沿相对于 基板的表面。 发热元件的排列间距等于或大于600dpi，并且限定油墨流路的分隔壁与与隔壁相邻的发热元件之间的间隔dhn等于或小于4μm。

公开(公告)号：US06976748B2

公开(公告)日：2005-12-20

申请号：US10419140

申请日：2003-04-21

申请人： Kenji Yabe ,  Mineo Kaneko ,  Ken Tsuchii ,  Nobuyuki Hirayama ,  Masaki Oikawa

发明人： Kenji Yabe ,  Mineo Kaneko ,  Ken Tsuchii ,  Nobuyuki Hirayama ,  Masaki Oikawa

IPC分类号： B41J2/045 ,  B41J2/055 ,  B41J2/15 ,  B41J2/21

CPC分类号： B41J2/15 ,  B41J2/2125 ,  B41J2002/14475

摘要： Since the large amount nozzle arrays are disposed at first columns and the small amount nozzle arrays are disposed at second columns on both sides of the shifting directions along the main scan direction, the deflection of the ink droplet caused by the first air flows is totally reduced.

摘要翻译： 由于大量喷嘴阵列设置在第一列处，并且少量喷嘴阵列沿着主扫描方向设置在沿着移动方向的两侧的第二列处，所以由第一空气流引起的墨滴的偏转完全降低 。

公开(公告)号：US06988786B2

公开(公告)日：2006-01-24

申请号：US10418218

申请日：2003-04-18

申请人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

发明人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

IPC分类号： B41J2/135

CPC分类号： B41J2/14056 ,  B41J2/1404 ,  B41J2/1412 ,  B41J2/14129 ,  B41J2002/14177 ,  B41J2002/14185 ,  B41J2002/14387

摘要： An ink jet recording head is provided with one heat generating member in each of ink flow paths, and the discharge port thereof is arranged on the extended line extending in the normal direction from the center of the main surface of the heat generating member to the surface of the substrate. Then, on the surface of the substrate, non-bubbling area is provided on the center within the projected area having the discharge port projected thereon. Bubble brought to the boil by the heat generating member pushes out ink from the discharge port by the pressure exerted by the bubble, while being communicated with the outside. With the structure thus arranged, it is made possible to enhance the precision of discharge direction of the liquid droplet discharged from the discharge port.

公开(公告)号：US06830317B2

公开(公告)日：2004-12-14

申请号：US10419839

申请日：2003-04-22

申请人： Ken Tsuchii ,  Mineo Kaneko ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe ,  Keiji Tomizawa

发明人： Ken Tsuchii ,  Mineo Kaneko ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe ,  Keiji Tomizawa

IPC分类号： B41J205

CPC分类号： B41J2/15 ,  B41J2/1404 ,  B41J2/2125 ,  B41J2002/14387 ,  B41J2002/14403 ,  B41J2002/14475

摘要： In an ink jet recording head from which a small ink droplet and a large ink droplet can be discharged, a common liquid chamber is connected to discharge ports via ink flow paths and pressure chambers, and ink droplets are discharged from the discharge ports by utilizing thermal energy of heaters. Widths of the ink flow paths are narrower than widths of the pressure chambers so that the ink flow paths act as restriction portions. If it is assumed that a sectional area of the small liquid droplet ink flow path is SS, a sectional area of the small liquid droplet pressure chamber is SRS, a sectional area of the large liquid droplet ink flow path is SL and a sectional area of the large liquid droplet pressure chamber is SRL, a relationship SS/SRS

摘要翻译： 在能够排出小墨滴和大墨滴的喷墨记录头中，公共液体室通过油墨流路和压力室连接到排出口，并且墨滴通过利用热量从排出口排出 加热器的能量。 油墨流路的宽度比压力室的宽度窄，使得油墨流路作为限制部。 如果假定小液滴墨流路的截面积为SS，则小液滴压力室的截面积为SRS，则大液滴墨流路的截面积为SL，截面积为 大液滴压力室为SRL，建立关系SS / SRS

公开(公告)号：US20070040190A1

公开(公告)日：2007-02-22

申请号：US11589871

申请日：2006-10-31

申请人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

发明人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

IPC分类号： H01L27/10

CPC分类号： B41J2/14056 ,  B41J2/1404 ,  B41J2/1412 ,  B41J2/14129 ,  B41J2002/14177 ,  B41J2002/14185 ,  B41J2002/14387

摘要： An ink jet recording head is provided with one heat generating member in each of ink flow paths, and the discharge port thereof is arranged on the extended line extending in the normal direction from the center of the main surface of the heat generating member to the surface of the substrate. Then, on the surface of the substrate, non-bubbling area is provided on the center within the projected area having the discharge port projected thereon. Bubble brought to the boil by the heat generating member pushes out ink from the discharge port by the pressure exerted by the bubble, while being communicated with the outside. With the structure thus arranged, it is made possible to enhance the precision of discharge direction of the liquid droplet discharged from the discharge port.

摘要翻译： 喷墨记录头在每个墨流路中设置有一个发热元件，其排出口设置在从发热元件的主表面的中心向正方向延伸的延伸线上 的基底。 然后，在基板的表面上，在喷出口突出的投影区域的中央部设置非发泡区域。 通过发热部件沸腾的泡沫在与外部连通的同时，由气泡施加的压力从排出口推出墨水。 利用如此布置的结构，可以提高从排出口排出的液滴的排出方向的精度。

公开(公告)号：US20060077233A1

公开(公告)日：2006-04-13

申请号：US11265100

申请日：2005-11-03

申请人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

发明人： Mineo Kaneko ,  Ken Tsuchii ,  Keiichiro Tsukuda ,  Masaki Oikawa ,  Kenji Yabe

IPC分类号： B41J2/05

CPC分类号： B41J2/14056 ,  B41J2/1404 ,  B41J2/1412 ,  B41J2/14129 ,  B41J2002/14177 ,  B41J2002/14185 ,  B41J2002/14387

摘要： An ink jet recording head is provided with one heat generating member in each of ink flow paths, and the discharge port thereof is arranged on the extended line extending in the normal direction from the center of the main surface of the heat generating member to the surface of the substrate. Then, on the surface of the substrate, non-bubbling area is provided on the center within the projected area having the discharge port projected thereon. Bubble brought to the boil by the heat generating member pushes out ink from the discharge port by the pressure exerted by the bubble, while being communicated with the outside. With the structure thus arranged, it is made possible to enhance the precision of discharge direction of the liquid droplet discharged from the discharge port.