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    • 22. 发明授权
    • Patterning method for fabricating integrated circuit
    • 集成电路制图方法
    • US06946400B2
    • 2005-09-20
    • US10249143
    • 2003-03-19
    • Henry Chung
    • Henry Chung
    • H01L21/027H01L21/033H01L21/311H01L21/3213H01L21/302
    • H01L21/32139H01L21/0271H01L21/0273H01L21/0337H01L21/0338H01L21/31144
    • A patterning method for fabricating integrated circuits. The method includes forming a material layer over a substrate and then forming a photoresist layer over the material layer. The photoresist layer has a thickness small enough to relax the limitations when the photoresist layer is patterned in a photolithographic process. A shroud liner is formed over the photoresist layer such that height of the shroud liner is significantly greater than width of the shroud liner. Thereafter, the shroud liner undergoes a processing treatment to remove the sections attached to the sidewalls of the photoresist layer. Using the remaining shroud liner as an etching mask, an etching operation is carried out to pattern the material layer.
    • 一种用于制造集成电路的图案化方法。 该方法包括在衬底上形成材料层,然后在材料层上形成光致抗蚀剂层。 当光致抗蚀剂层在光刻工艺中被图案化时,光致抗蚀剂层的厚度足够小以缓解限制。 护罩衬套形成在光致抗蚀剂层上方,使得护罩衬套的高度明显大于护罩衬套的宽度。 此后,护罩衬里进行处理处理以除去附着在光致抗蚀剂层的侧壁上的部分。 使用剩余的护罩衬垫作为蚀刻掩模,进行蚀刻操作以对材料层进行图案化。
    • 23. 发明授权
    • Fabrication method of sub-resolution pitch for integrated circuits
    • 集成电路子分辨率间距的制作方法
    • US06867116B1
    • 2005-03-15
    • US10703453
    • 2003-11-10
    • Henry Chung
    • Henry Chung
    • H01L21/033H01L21/22H01L21/28H01L21/3213H01L21/38
    • H01L21/0338H01L21/0337H01L21/28123H01L21/32139
    • A method of manufacturing a semiconductor device using a scanner, wherein the scanner is capable of realizing a minimum pitch, wherein the minimum pitch is the smallest possible pitch for the scanner, the method including providing a semiconductor substrate, forming a first layer over the semiconductor substrate, forming a second layer over the first layer, patterning the second layer to form a plurality of second layer patterns, patterning the first layer to form a plurality of first layer patterns, performing a tone reversal to form a reversed tone for the second layer patterns, and etching the first layer patterns using the reversed tone as a mask, wherein the etched first layer patterns have a final pitch size, and wherein the final pitch is smaller than the minimum pitch.
    • 一种使用扫描器制造半导体器件的方法,其中扫描器能够实现最小间距,其中最小间距是扫描器的最小可能间距,该方法包括提供半导体衬底,在半导体上形成第一层 衬底,在第一层上形成第二层,图案化第二层以形成多个第二层图案,图案化第一层以形成多个第一层图案,执行色调反转以形成用于第二层的反转色调 图案,并且使用反转色调作为掩模蚀刻第一层图案,其中蚀刻的第一层图案具有最终间距尺寸,并且其中最终间距小于最小间距。
    • 24. 发明授权
    • Method for forming interconnection structure in an integration circuit
    • 在集成电路中形成互连结构的方法
    • US06642139B1
    • 2003-11-04
    • US10187134
    • 2002-06-28
    • Henry Chung
    • Henry Chung
    • H01L214763
    • H01L21/76801H01L21/76807H01L2221/1026
    • A method for fabricating vias and trenches in a dual-damascene multilevel interconnection structure of an integration circuit is provided. The method uses chemical vapor deposition and flowfill dielectric technology to deposit a dielectric material at low temperature for fabricating interconnection structure in an integration circuit. It comprises the following steps: (a) forming photo-resist patterns; (b) depositing a dielectric layer at low temperature by chemical vapor deposition and flowfill dielectric technologies; (c) removing the dielectric layer by chemical-mechanical polishing to expose the photo-resist patterns; (d) removing the photo-resist patterns by chemical-mechanical polishing; and (e) stabilizing the dielectric layer by thermal curing.
    • 提供了一种用于在集成电路的双镶嵌多层互连结构中制造通孔和沟槽的方法。 该方法使用化学气相沉积和流动填充电介质技术在低温下沉积介电材料,以在集成电路中制造互连结构。 它包括以下步骤:(a)形成光刻胶图案; (b)通过化学气相沉积和填充介质技术在低温下沉积介电层; (c)通过化学机械抛光去除介电层以露出光致抗蚀剂图案; (d)通过化学机械抛光去除光刻胶图案; 和(e)通过热固化稳定介电层。
    • 26. 发明授权
    • Low dielectric-constant dielectric for etchstop in dual damascene backend of integrated circuits
    • 用于集成电路双镶嵌后端中蚀刻阻挡层的低介电常数电介质
    • US06498399B2
    • 2002-12-24
    • US09391721
    • 1999-09-08
    • Henry ChungJames Lin
    • Henry ChungJames Lin
    • H01L23485
    • H01L21/76835H01L21/76807H01L21/76808H01L21/76829
    • The invention provides microelectronic devices such as integrated circuit devices. Such have vias, interconnect metallization and wiring lines using dissimilar low dielectric constant intermetal dielectrics. The use of both organic and inorganic low-k dielectrics offers advantages due to the significantly different plasma etch characteristics of the two kinds of dielectrics. One dielectric serves as the etchstop in etching the other dielectric so that no additional etchstop layer is required. A microelectronic device is formed having a substrate and a layer of a first dielectric material positioned on the substrate. A layer of a second dielectric material is positioned on the first dielectric layer and an additional layer of the first dielectric material positioned on the second dielectric material. At least one via extends through the first dielectric material layer and the second dielectric material layer, and at least one trench extends through the additional layer of the first dielectric material to the via. A lining of a barrier metal is formed on inside walls and a floor of the trench and on inside walls and a floor the via. A fill metal fills the trench and via in contact with the lining of the barrier metal.
    • 本发明提供了诸如集成电路器件的微电子器件。 这样具有通孔,互连金属化和使用不同的低介电常数金属间电介质的布线。 由于两种电介质的等离子体蚀刻特性明显不同,因此使用有机和无机低k电介质都有优势。 一个电介质用作蚀刻其它电介质的蚀刻步骤,因此不需要额外的蚀刻阻挡层。 形成具有衬底和位于衬底上的第一介电材料层的微电子器件。 第二电介质材料层位于第一电介质层上,第一电介质材料的另一层位于第二电介质材料上。 至少一个通孔延伸穿过第一介电材料层和第二介电材料层,并且至少一个沟槽延伸穿过第一介电材料的附加层到通孔。 阻挡金属的衬里形成在内壁和沟槽的地板以及内壁和地板上的通孔上。 填充金属填充与阻挡金属的衬里接触的沟槽和通孔。
    • 27. 发明授权
    • Self-aligned metal-insulator-metal capacitor for integrated circuits
    • 用于集成电路的自对准金属 - 绝缘体 - 金属电容器
    • US06472124B1
    • 2002-10-29
    • US09710712
    • 2000-11-10
    • Henry Chung
    • Henry Chung
    • G03F736
    • H01L28/60H01L21/3212H01L21/76838H01L28/55
    • A fabrication method for a self-aligned metal-insulator-metal capacitor is described. A plurality of metal interconnects is provided. A metal interconnect is etched back to form a recess in the metal interconnect using a patterned photoresist as a mask. A capacitor insulator is formed on the resulting structure, partially filling the recess in the metal interconnect and covering other metal interconnects. A top electrode metal layer is then deposited on the capacitor insulator, completely filling the recess in the metal interconnect. The top electrode metal layer that is formed above the recess of the metal interconnect is subsequently removed.
    • 描述了自对准金属 - 绝缘体 - 金属电容器的制造方法。 提供多个金属互连。 使用图案化的光致抗蚀剂作为掩模,将金属互连件回蚀以在金属互连中形成凹陷。 在所得结构上形成电容绝缘体,部分地填充金属互连中的凹槽并覆盖其它金属互连。 然后将顶部电极金属层沉积在电容器绝缘体上,完全填充金属互连中的凹槽。 随后去除形成在金属互连件的凹部上方的顶部电极金属层。
    • 28. 发明授权
    • Fabrication method of integrated circuits with multiple low dielectric-constant intermetal dielectrics
    • 具有多个低介电常数的金属间电介质的集成电路的制造方法
    • US06383912B1
    • 2002-05-07
    • US09694194
    • 2000-10-23
    • Henry ChungJames Lin
    • Henry ChungJames Lin
    • H01L214763
    • H01L21/76808H01L21/76807H01L21/76813H01L21/76825H01L21/76828H01L21/76835H01L2221/1031
    • The invention provides process for producing microelectronic devices such as integrated circuit devices. Such have vias, interconnect metallization and wiring lines using dissimilar low dielectric constant intermetal dielectrics. The use of both organic and inorganic low-k dielectrics offers advantages due to the significantly different plasma etch characteristics of the two kinds of dielectrics. One dielectric serves as the etchstop in etching the other dielectric so that no additional etchstop layer is required. A microelectronic device is formed having a substrate and a layer of a first dielectric material positioned on the substrate. A layer of a second dielectric material is positioned on the first dielectric layer. Either a sacrificial metal layer or and an additional layer the first dielectric material is positioned on the second dielectric material. At least one via extends through the first dielectric material layer and at least one trench extends through the additional layer of the first dielectric material and the second dielectric material layer to the via. A lining of a barrier metal is formed on inside walls and a floor of the trench and on inside walls and a floor the via. A fill metal fills the trench and via in contact with the lining of the barrier metal.
    • 本发明提供了用于制造诸如集成电路器件的微电子器件的方法。 这样具有通孔,互连金属化和使用不同的低介电常数金属间电介质的布线。 由于两种电介质的等离子体蚀刻特性明显不同,因此使用有机和无机低k电介质都有优势。 一个电介质用作蚀刻其它电介质的蚀刻步骤,因此不需要额外的蚀刻阻挡层。 形成具有衬底和位于衬底上的第一介电材料层的微电子器件。 第二电介质材料层位于第一电介质层上。 牺牲金属层或附加层中的第一介电材料位于第二电介质材料上。 至少一个通孔延伸穿过第一介电材料层,并且至少一个沟槽延伸穿过第一介电材料的附加层和第二介电材料层延伸至通孔。 阻挡金属的衬里形成在内壁和沟槽的地板以及内壁和地板上的通孔上。 填充金属填充与阻挡金属的衬里接触的沟槽和通孔。