公开(公告)号：US20150070422A1

公开(公告)日：2015-03-12

申请号：US14468682

申请日：2014-08-26

Applicant: CANON FINETECH INC.

Inventor： Yuusuke SUMIKAWA ,  Shintaro Suzuki

IPC: B41J2/045 ,  B41J2/14

CPC classification number: B41J2/14016 ,  B41J2/1433 ,  B41J2/155 ,  B41J2/1601 ,  B41J2/2107 ,  B41J2002/14403

Abstract: An ink jet recording head, including: a nozzle array of nozzle flow paths; ink ejection orifices communicating with the nozzle flow paths; heaters in the nozzle flow paths; and ink with which the head is filled, the ink containing a coloring material, an acetylene glycol-based surfactant, and water, the surfactant containing one or more kinds of an acetylene glycol or an ethylene oxide adduct thereof, an average addition number of moles of ethylene oxide of the whole surfactant being 3 to 7, the ink having a viscosity of 1.5 mPa·s to 3.0 mPa·s, the head comprising a line type head having an opening area of each ink ejection orifice of 100 μm2 to 350 μm2, a total number of nozzles of 1,200 or more, a length of the nozzle array of 2 inches or more, and the head being driven at a frequency of 1 kHz to 10 kHz.

Abstract translation: 一种喷墨记录头，包括：喷嘴流道的喷嘴阵列; 喷墨口与喷嘴流路连通; 喷嘴流路中的加热器; 和填充头部的油墨，含有着色材料的油墨，乙炔二醇类表面活性剂和水，表面活性剂含有一种或多种乙炔二醇或其环氧乙烷加成物，平均加成摩尔数 的整个表面活性剂的环氧乙烷为3〜7，油墨的粘度为1.5mPa·s〜3.0mPa·s，头部为具有各喷墨孔的开口面积为100μm〜350μm2的线型头 ，1200个以上的喷嘴总数，2个以上的喷嘴列的长度，头部以1kHz〜10kHz的频率驱动。