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    • 1. 发明授权
    • Inkjet recording head and inkjet recording device
    • 喷墨记录头和喷墨记录装置
    • US06779871B1
    • 2004-08-24
    • US10690619
    • 2003-10-23
    • Shinji SetoShigeru Umehara
    • Shinji SetoShigeru Umehara
    • B41J2145
    • B41J2/155B41J2002/14306B41J2002/14459B41J2002/14475B41J2202/19B41J2202/20
    • Nozzle groups are arranged in a staggered pattern such that dead space does not occur. However, gaps are opened up between actuator units so that the actuator units can be joined to flow channel units. Further, piezoelectric elements are formed at each of the actuator units, and thus piezoelectric plates are consequently shorter. Therefore, when an inkjet recording head is lengthened, there is no need to form the piezoelectric elements by processing from a single long piezoelectric plate, implementation with a plurality of short piezoelectric plates is possible, and thus production yields do not deteriorate. Further, as the actuator units can be associated and arranged in a staggered pattern, an increase in width of the inkjet recording head can be minimized.
    • 喷嘴组以交错图案排列,使得不会发生死空间。 然而,在致动器单元之间打开间隙,使得致动器单元可以连接到流动通道单元。 此外,压电元件形成在每个致动器单元处,因此压电板因此更短。 因此,当喷墨记录头被延长时,不需要通过单个长的压电板的加工来形成压电元件,因此可以实现多个短的压电板,从而生产率不会变差。 此外,由于致动器单元可以以交错图案相关联并布置,所以喷墨记录头的宽度的增加可以被最小化。
    • 6. 发明授权
    • Ink jet recording head and method for manufacturing the same
    • 喷墨记录头及其制造方法
    • US06334671B1
    • 2002-01-01
    • US09535741
    • 2000-03-27
    • Shigeru Umehara
    • Shigeru Umehara
    • B41J2045
    • B41J2/1612B41J2/14274B41J2/1623B41J2/1629B41J2/1631B41J2/1632B41J2002/14387B41J2202/07Y10T29/49401
    • An ink jet recording head is capable of: preventing any of stagnation in ink flow, formation of vapor bubbles, cavitation, or like problems from occurring in the ink flow; realizing an excellent ink ejection operation, and thereby realizing a high quality gradation expression in recording; and, lessening a degree of a required accuracy both in dimension and in alignment of its components being stacked together. In a method for manufacturing the ink jet recording head provided with a pressure generating chamber, this chamber is constructed of a through-hole of a chamber plate and a pair of plates, between which plates the chamber plate is sandwiched. The processing step for forming this through-hole further comprises the sub-steps of: forming a first resist film and a second resist film on a first and a second surface of the chamber plate, respectively, wherein the resist films assume substantially a same shape, but are different in length from each other when measured in a direction parallel to a flow direction of ink; and, etching away both the first and the second surface of the chamber plate using the resist films as its masks so that the through-hole is formed in the chamber plate and serves as the pressure generating chamber.
    • 喷墨记录头能够:防止油墨流动中的任何停滞,蒸汽气泡的形成,空化等问题; 实现优异的喷墨操作,从而在记录中实现高质量的灰度表现; 并且减小其组件的尺寸和对准的所需精度的程度。 在设置有压力发生室的喷墨记录头的制造方法中,该室由室板的一个通孔和一对板构成,在该板之间夹有室板。 用于形成该通孔的处理步骤还包括以下子步骤:分别在腔室板的第一和第二表面上形成第一抗蚀剂膜和第二抗蚀剂膜,其中抗蚀剂膜呈现基本相同的形状 但是在平行于墨的流动方向的方向上测量时,其长度彼此不同; 并且使用抗蚀剂膜作为其掩模来蚀刻室板的第一和第二表面,使得通孔形成在室板中并用作压力产生室。
    • 9. 发明授权
    • Ink jet recording head and method for manufacturing the same
    • 喷墨记录头及其制造方法
    • US06942815B2
    • 2005-09-13
    • US09939647
    • 2001-08-28
    • Shigeru Umehara
    • Shigeru Umehara
    • B41J2/045B41J2/055B41J2/14B41J2/16
    • B41J2/1612B41J2/14274B41J2/1623B41J2/1629B41J2/1631B41J2/1632B41J2002/14387B41J2202/07Y10T29/49401
    • An ink jet recording head is capable of: preventing any of stagnation in ink flow, formation of vapor bubbles, cavitation, or like problems from occurring in the ink flow; realizing an excellent ink ejection operation, and thereby realizing a high quality gradation expression in recording; and, lessening a degree of a required accuracy both in dimension and in alignment of its components being stacked together. In a method for manufacturing the ink jet recording head provided with a pressure generating chamber, this chamber is constructed of a through-hole of a chamber plate and a pair of plates, between which plates the chamber plate is sandwiched. The processing step for forming this through-hole further comprises the sub-steps of: forming a first resist film and a second resist film on a first and a second surface of the chamber plate, respectively, wherein the resist films assume substantially a same shape, but are different in length from each other when measured in a direction parallel to a flow direction of ink; and, etching away both the first and the second surface of the chamber plate using the resist films as its masks so that the through-hole is formed in the chamber plate and serves as the pressure generating chamber.
    • 喷墨记录头能够:防止油墨流动中的任何停滞,蒸汽气泡的形成,空化等问题; 实现优异的喷墨操作,从而在记录中实现高质量的灰度表现; 并且减小其组件的尺寸和对准的所需精度的程度。 在设置有压力发生室的喷墨记录头的制造方法中,该室由室板的一个通孔和一对板构成,在该板之间夹有室板。 用于形成该通孔的处理步骤还包括以下子步骤:分别在腔室板的第一和第二表面上形成第一抗蚀剂膜和第二抗蚀剂膜,其中抗蚀剂膜呈现基本相同的形状 但是在平行于墨的流动方向的方向上测量时,其长度彼此不同; 并且使用抗蚀剂膜作为其掩模来蚀刻室板的第一和第二表面,使得通孔形成在室板中并用作压力产生室。