公开(公告)号：US20180001643A1

公开(公告)日：2018-01-04

申请号：US15602458

申请日：2017-05-23

Applicant: Seiko Epson Corporation

Inventor： Shintaro HAMA ,  Ryosuke TERAMOTO ,  Yuho MIYAKE ,  Tetsuya AOYAMA

IPC: B41J2/165 ,  C09D11/328 ,  C09D11/322 ,  C09D11/40 ,  C09D11/033

CPC classification number: B41J2/16505 ,  B41J2/16517 ,  B41J2/16538 ,  B41J2/2107 ,  C09D11/033 ,  C09D11/037 ,  C09D11/30 ,  C09D11/322 ,  C09D11/328 ,  C09D11/38 ,  C09D11/40 ,  C09D11/54

Abstract: An aqueous ink set for ink jet recording includes an aqueous pigment ink containing water and a pigment as a coloring agent and an aqueous dye ink containing water and a dye as a coloring agent, in which the concentration of the divalent metal ions of the pigment ink is 10 ppm or more, and the potassium ion concentration of the dye ink is 50 ppm or less.

公开(公告)号：US20160122565A1

公开(公告)日：2016-05-05

申请号：US14928745

申请日：2015-10-30

Applicant: Seiko Epson Corporation

Inventor： Ryosuke TERAMOTO ,  Hiromi OHORI ,  Yuho MIYAKE

IPC: C09D11/328

CPC classification number: C09D11/328 ,  C09D11/38

Abstract: There is provided an ink composition, including: a combination of specific dyes, in which the dynamic contact angle of the ink to a silicon wafer is 24° or lower at 100 msec after dropping, and is 9° or lower at 5,100 msec after dropping.

Abstract translation: 提供了一种油墨组合物，其包括：特定染料的组合，其中油墨与硅晶片的动态接触角在滴下后100毫秒时为24度或更低，并且在滴下后为5,100毫秒时为9度或更低 。

公开(公告)号：US20150367647A1

公开(公告)日：2015-12-24

申请号：US14745834

申请日：2015-06-22

Applicant: Seiko Epson Corporation

Inventor： Ryosuke TERAMOTO ,  Tadahiro MIZUTANI ,  Shun OYA ,  Akio ITO ,  Hideo SHIMAMURA

IPC: B41J2/175

CPC classification number: B41J2/17503 ,  B41J2/175 ,  B41J2/17513 ,  B41J2/1752 ,  B41J2/17553 ,  B41J29/02 ,  B41J29/13

Abstract: A liquid accommodating container in which a fiber member and a liquid are accommodated has a fiber ratio of the fiber member is 5% or more to 30% or less, a fiber diameter of the fiber member is 10 μm or more to 50 μm or less, a volume average particle diameter (D50) of a pigment included in the liquid satisfies a condition of 50 nm

Abstract translation: 容纳有纤维构件和液体的液体容纳容器中，纤维构件的纤维比率为5％以上且30％以下，纤维构件的纤维直径为10μm以上至50μm以下 包含在液体中的颜料的体积平均粒径（D50）满足条件为50nm