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1. 发明申请

US20110310182A1 PRINTHEAD AND METHOD OF FABRICATING THE SAME 有权
标题翻译： PRINTHEAD及其制造方法
公开(公告)号：US20110310182A1
公开(公告)日：2011-12-22
申请号：US13148601
申请日：2009-02-24
申请人： Peter Mardilovich , Neal Wayne Meyer , Arjang Fartash
发明人： Peter Mardilovich , Neal Wayne Meyer , Arjang Fartash
IPC分类号： B41J2/05 , B21D53/76
CPC分类号： B41J2/14129 , B41J2/1603 , B41J2/1623 , B41J2/1629 , B41J2/1634 , Y10T29/49401
摘要： Disclosed is a printhead having at least one ink drop generator region, which includes an ink chamber, an orifice through which ink drops are ejected, and a heating element positioned below the ink chamber. The heating element includes a resistor defined therein and a nano-structured surface that is exposed to the ink fluid supplied to the ink chamber. The nano-structured surface takes the form of an array of nano-pillars. The printhead is fabricated by a method that includes: forming a heating element having an oxidizable metal layer as the uppermost layer; forming an aluminum-containing layer on the oxidizable metal layer; anodizing the aluminum-containing layer to form porous alumina; anodizing the oxidizable metal layer so as to partially fill the pores in the porous alumina with metal oxide material; and removing the porous alumina by selective etching to produce a nano-structured surface.
摘要翻译：公开了一种具有至少一个墨滴发生器区域的打印头，其包括墨水室，喷射墨滴的孔口和位于墨水室下方的加热元件。加热元件包括限定在其中的电阻器和暴露于供应到墨水室的墨水流体的纳米结构的表面。纳米结构表面采用纳米柱阵列的形式。打印头通过以下方法制造：包括：形成具有可氧化金属层作为最上层的加热元件; 在可氧化金属层上形成含铝层; 阳极氧化含铝层以形成多孔氧化铝; 阳极氧化可氧化金属层，以便用金属氧化物材料部分地填充多孔氧化铝中的孔; 并通过选择性蚀刻去除多孔氧化铝以产生纳米结构化表面。

2. 发明授权

US08388112B2 Printhead and method of fabricating the same 有权
标题翻译：打印头及其制造方法
公开(公告)号：US08388112B2
公开(公告)日：2013-03-05
申请号：US13148601
申请日：2009-02-24
申请人： Peter Mardilovich , Neal Wayne Meyer , Arjang Fartash
发明人： Peter Mardilovich , Neal Wayne Meyer , Arjang Fartash
IPC分类号： B41J2/05 , B21D53/76
CPC分类号： B41J2/14129 , B41J2/1603 , B41J2/1623 , B41J2/1629 , B41J2/1634 , Y10T29/49401
摘要： Disclosed is a printhead having at least one ink drop generator region, which includes an ink chamber, an orifice through which ink drops are ejected, and a heating element positioned below the ink chamber. The heating element includes a resistor defined therein and a nano-structured surface that is exposed to the ink fluid supplied to the ink chamber. The nano-structured surface takes the form of an array of nano-pillars. The printhead is fabricated by a method that includes: forming a heating element having an oxidizable metal layer as the uppermost layer; forming an aluminum-containing layer on the oxidizable metal layer; anodizing the aluminum-containing layer to form porous alumina; anodizing the oxidizable metal layer so as to partially fill the pores in the porous alumina with metal oxide material; and removing the porous alumina by selective etching to produce a nano-structured surface.
摘要翻译：公开了一种具有至少一个墨滴发生器区域的打印头，其包括墨水室，喷射墨滴的孔口和位于墨水室下方的加热元件。加热元件包括限定在其中的电阻器和暴露于供应到墨水室的墨水流体的纳米结构的表面。纳米结构表面采用纳米柱阵列的形式。打印头通过以下方法制造：包括：形成具有可氧化金属层作为最上层的加热元件; 在可氧化金属层上形成含铝层; 阳极氧化含铝层以形成多孔氧化铝; 阳极氧化可氧化金属层，以便用金属氧化物材料部分地填充多孔氧化铝中的孔; 并通过选择性蚀刻去除多孔氧化铝以产生纳米结构化表面。

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