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    • 21. 发明申请
    • Method of forming dual damascene metal interconnection employing sacrificial metal oxide layer
    • 使用牺牲金属氧化物层形成双镶嵌金属互连的方法
    • US20050124149A1
    • 2005-06-09
    • US10939930
    • 2004-09-13
    • Jae-Hak KimYoung-Joon MoonKyoung-Woo LeeJeong-Wook Hwang
    • Jae-Hak KimYoung-Joon MoonKyoung-Woo LeeJeong-Wook Hwang
    • H01L21/28H01L21/311H01L21/768H01L21/4763H01L21/44
    • H01L21/76808H01L21/31144
    • There is provided a method of forming a dual damascene metal interconnection by employing a sacrificial metal oxide layer. The method includes preparing a semiconductor substrate. An interlayer insulating layer is formed on the semiconductor substrate, and a preliminary via hole is formed by patterning the interlayer insulating layer. A sacrificial via protecting layer is formed on the semiconductor substrate having the preliminary via hole to fill the preliminary via hole, and cover an upper surface of the interlayer insulating layer. A sacrificial metal oxide layer is formed on the sacrificial via protecting layer, the sacrificial metal oxide layer is patterned to form a sacrificial metal oxide pattern having an opening crossing over the preliminary via hole, and exposing the sacrificial via protecting layer. The sacrificial via protecting layer and the interlayer insulating layer are etched using the sacrificial metal oxide pattern as an etch mask to form a trench located inside the interlayer insulating layer.
    • 提供了通过使用牺牲金属氧化物层形成双镶嵌金属互连的方法。 该方法包括制备半导体衬底。 在半导体基板上形成层间绝缘层,通过图案化层间绝缘层形成预备通孔。 在具有初步通孔的半导体衬底上形成牺牲通孔保护层以填充预通孔,并覆盖层间绝缘层的上表面。 在牺牲通路保护层上形成牺牲金属氧化物层,对牺牲金属氧化物层进行图案化以形成具有穿过预通孔的开口的牺牲金属氧化物图案,并且将牺牲通过保护层曝光。 使用牺牲金属氧化物图案作为蚀刻掩模蚀刻牺牲通过保护层和层间绝缘层,以形成位于层间绝缘层内部的沟槽。
    • 22. 发明授权
    • Method for forming metal wiring layer of semiconductor device
    • 用于形成半导体器件的金属布线层的方法
    • US06861347B2
    • 2005-03-01
    • US10114274
    • 2002-04-02
    • Kyoung-woo LeeHong-jae ShinJae-hak KimSoo-geun Lee
    • Kyoung-woo LeeHong-jae ShinJae-hak KimSoo-geun Lee
    • H01L21/28H01L21/768H01L21/4763
    • H01L21/76808H01L21/76813H01L21/76835
    • A method for forming a metal wiring layer in a semiconductor device using a dual damascene process is provided. A stopper layer, an interlayer insulating layer, and a hard mask layer are sequentially formed on a semiconductor substrate having a conductive layer. A first photoresist pattern that comprises a first opening having a first width is formed on the hard mask layer. The hard mask layer and portions of the interlayer insulating layer are etched using the first photoresist pattern as an etching mask, thereby forming a partial via hole having the first width. The first photoresist pattern is removed. An organic material layer is coated on the semiconductor substrate having the partial via hole is formed to fill the partial via hole with the organic material layer. A second photoresist pattern that comprises a second opening aligned with the partial via hole and having a second width greater than the first width is formed on the coated semiconductor substrate. The organic material layer and the hard mask layer on the interlayer insulating layer are etched using the second photoresist pattern as an etching mask. The second photoresist pattern and the organic material layer are simultaneously removed. A wiring region having the second width and a via hole having the first width are formed by etching the interlayer insulating layer using the hard mask layer as an etching mask.
    • 提供了一种使用双镶嵌工艺在半导体器件中形成金属布线层的方法。 在具有导电层的半导体衬底上依次形成阻挡层,层间绝缘层和硬掩模层。 包括具有第一宽度的第一开口的第一光致抗蚀剂图案形成在硬掩模层上。 使用第一光致抗蚀剂图案作为蚀刻掩模来蚀刻硬掩模层和层间绝缘层的部分,从而形成具有第一宽度的部分通孔。 去除第一光致抗蚀剂图案。 在半导体基板上涂布有机材料层,其中形成有部分通孔以用有机材料层填充部分通孔。 在涂覆的半导体衬底上形成第二光致抗蚀剂图案,该第二光致抗蚀剂图案包括与部分通路孔对准的第二开口,并具有大于第一宽度的第二宽度。 使用第二光致抗蚀剂图案作为蚀刻掩模蚀刻层间绝缘层上的有机材料层和硬掩模层。 同时去除第二光致抗蚀剂图案和有机材料层。 通过使用硬掩模层作为蚀刻掩模蚀刻层间绝缘层,形成具有第二宽度的布线区域和具有第一宽度的通孔。
    • 24. 发明申请
    • Method of Manufacturing Electrodes using Carbon nanotube Sheets
    • 使用碳纳米管片制造电极的方法
    • US20130224371A1
    • 2013-08-29
    • US13854747
    • 2013-04-01
    • Jae Hak KimGil Sik LeeKyung Hwan LeeLawrence J. Overzet
    • Jae Hak KimGil Sik LeeKyung Hwan LeeLawrence J. Overzet
    • H01M4/04H01M4/88
    • H01M4/0402B82Y30/00B82Y40/00C01B32/15D01F9/127D01F9/1275H01M4/88Y10S977/742
    • Growing spin-capable multi-walled carbon nanotube (MWCNT) forests in a repeatable fashion will become possible through understanding the critical factors affecting the forest growth. Here we show that the spinning capability depends on the alignment of adjacent MWCNTs in the forest which in turn results from the synergistic combination of a high areal density of MWCNTs and short distance between the MWCNTs. This can be realized by starting with both the proper Fe nanoparticle size and density which strongly depend on the sheet resistance of the catalyst film. Simple measurement of the sheet resistance can allow one to reliably predict the growth of spin-capable forests. The properties of pulled MWCNTs sheets reflect that there is a relationship between their electrical resistance and optical transmittance. Overlaying either 3, 5, or 10 sheets pulled out from a single forest produces much more repeatable characteristics.
    • 通过了解影响森林生长的关键因素,可以以可重复的方式种植自旋多壁碳纳米管(MWCNT)。 这里我们表明,纺丝能力取决于森林中相邻的MWCNT的排列,这反过来又是MWCNT的高密度密度与MWCNT之间的短距离的协同组合。 这可以通过从适当的Fe纳米颗粒尺寸和密度开始,这强烈地取决于催化剂膜的薄层电阻。 简单测量薄层电阻可以使人们能够可靠地预测可旋转森林的生长。 拉伸的MWCNT片材的性质反映了它们的电阻和光透射率之间存在关系。 从单个森林中抽出的3张,5张或10张纸叠加出更多的可重复特征。
    • 25. 发明授权
    • Tuning of Fe catalysts for growth of spin-capable carbon nanotubes
    • 用于自旋能碳纳米管生长的Fe催化剂的调谐
    • US08409768B2
    • 2013-04-02
    • US12902392
    • 2010-10-12
    • Jae Hak KimGil Sik LeeKyung Hwan LeeLawrence J. Overzet
    • Jae Hak KimGil Sik LeeKyung Hwan LeeLawrence J. Overzet
    • B82Y30/00B82Y40/00C01B31/02D01F9/127
    • H01M4/0402B82Y30/00B82Y40/00C01B32/15D01F9/127D01F9/1275H01M4/88Y10S977/742
    • Growing spin-capable multi-walled carbon nanotube (MWCNT) forests in a repeatable fashion will become possible through understanding the critical factors affecting the forest growth. Here we show that the spinning capability depends on the alignment of adjacent MWCNTs in the forest which in turn results from the synergistic combination of a high areal density of MWCNTs and short distance between the MWCNTs. This can be realized by starting with both the proper Fe nanoparticle size and density which strongly depend on the sheet resistance of the catalyst film. Simple measurement of the sheet resistance can allow one to reliably predict the growth of spin-capable forests. The properties of pulled MWCNTs sheets reflect that there is a relationship between their electrical resistance and optical transmittance. Overlaying either 3, 5, or 10 sheets pulled out from a single forest produces much more repeatable characteristics.
    • 通过了解影响森林生长的关键因素,可以以可重复的方式种植自旋多壁碳纳米管(MWCNT)。 这里我们表明,纺丝能力取决于森林中相邻的MWCNT的排列,这反过来又是MWCNT的高密度密度与MWCNT之间的短距离的协同组合。 这可以通过从适当的Fe纳米颗粒尺寸和密度开始,这强烈地取决于催化剂膜的薄层电阻。 简单测量薄层电阻可以使人们能够可靠地预测可旋转森林的生长。 拉伸的MWCNT片材的性质反映了它们的电阻和光透射率之间存在关系。 从单个森林中抽出的3张,5张或10张纸叠加出更多的可重复特征。
    • 30. 发明授权
    • Methods of forming electrical interconnect structures using polymer residues to increase etching selectivity through dielectric layers
    • 使用聚合物残余物形成电互连结构以通过介电层增加蚀刻选择性的方法
    • US07488687B2
    • 2009-02-10
    • US11530952
    • 2006-09-12
    • Wan Jae ParkJae Hak KimTong Qing ChenYi-hsiung Lin
    • Wan Jae ParkJae Hak KimTong Qing ChenYi-hsiung Lin
    • H01L21/00
    • H01L21/76802H01L21/02063H01L21/31116H01L21/31144
    • Methods of forming electrical interconnect structures include forming a dielectric layer on a semiconductor substrate and forming a hard mask layer on the dielectric layer. A photoresist layer is patterned on an upper surface of the hard mask layer. This patterned photoresist layer is used as an etching mask during a step to selectively etch the hard mask layer and define an opening therein. This opening exposes the first dielectric layer. The patterned photoresist layer is then stripped from the hard mask layer using an ashing process that exposes the upper surface of the hard mask layer. Following this ashing process, a portion of the first dielectric layer extending opposite the opening is selectively etched using the hard mask layer as an etching mask. During this selective etching step, polymer residues are accumulated directly on the upper surface of the hard mask layer. These polymer residues may operate to increase a degree of selectively and inhibit recession of the hard mask layer during the step of selectively etching the first dielectric layer.
    • 形成电互连结构的方法包括在半导体衬底上形成电介质层并在电介质层上形成硬掩模层。 在硬掩模层的上表面上形成光刻胶层。 该图案化的光致抗蚀剂层在步骤期间用作蚀刻掩模,以选择性地蚀刻硬掩模层并在其中限定开口。 该开口露出第一电介质层。 然后使用暴露硬掩模层的上表面的灰化处理从硬掩模层剥离图案化的光致抗蚀剂层。 在该灰化处理之后,使用硬掩模层作为蚀刻掩模来选择性地蚀刻与开口相对延伸的第一电介质层的一部分。 在该选择蚀刻步骤期间,聚合物残留物直接堆积在硬掩模层的上表面上。 在选择性蚀刻第一介电层的步骤期间,这些聚合物残余物可以操作以增加选择性的程度并抑制硬掩模层的凹陷。