-
公开(公告)号:US06355075B1
公开(公告)日:2002-03-12
申请号:US09502336
申请日:2000-02-11
申请人: Katsuyoshi Ina , W. Scott Rader , David M. Shemo , Tetsuji Hori
发明人: Katsuyoshi Ina , W. Scott Rader , David M. Shemo , Tetsuji Hori
IPC分类号: C09K314
CPC分类号: C09G1/02
摘要: A polishing composition comprising an abrasive, an anticorrosive, an oxidizing agent, an acid, a pH regulator and water and having a pH within a range of from 2 to 5, wherein the abrasive is colloidal silica or fumed silica, and its primary particle size is at most 20 nm.
摘要翻译: 一种抛光组合物,其包含研磨剂,防腐蚀剂,氧化剂,酸,pH调节剂和水,并且pH在2至5的范围内,其中所述研磨剂是胶体二氧化硅或热解法二氧化硅,其初级粒度 至多为20nm。
-
公开(公告)号:US6139763A
公开(公告)日:2000-10-31
申请号:US451778
申请日:1999-12-01
IPC分类号: H01L21/304 , C09G1/02 , C09K3/14 , C23F1/18 , C23F1/30
CPC分类号: C09G1/02 , C09K3/1463
摘要: A polishing composition comprising the following components:(a) an abrasive,(b) an oxidizing agent capable of oxidizing tantalum,(c) a reducing agent capable of reducing tantalum oxide, and(d) water.
摘要翻译: 一种抛光组合物,其包含以下组分:(a)研磨剂,(b)能够氧化钽的氧化剂,(c)能够还原氧化钽的还原剂和(d)水。
-
公开(公告)号:US06428721B1
公开(公告)日:2002-08-06
申请号:US09564546
申请日:2000-05-04
IPC分类号: C09K1306
CPC分类号: H01L21/3212 , C09G1/02 , C09K3/1463
摘要: A polishing composition comprising the following components: (a) an abrasive, (b) &agr;-alanine, (c) hydrogen peroxide, and (d) water.
摘要翻译: 一种抛光组合物,其包含以下组分:(a)研磨剂,(b)α-丙氨酸,(c)过氧化氢和(d)水。
-
公开(公告)号:US6132939A
公开(公告)日:2000-10-17
申请号:US131698
申请日:1998-08-10
申请人: Katsuyoshi Ina
发明人: Katsuyoshi Ina
CPC分类号: G03F7/38 , G03F7/092 , G03F7/0045
摘要: A method for forming a resist pattern comprising the steps of: exposing a chemically amplified resist film by use of a mask having a given pattern; forming a protective film made of a paraffin having a melting point of not higher than 10.degree. C. and a boiling point of not lower than 50.degree. C. on the surface of the chemically amplified resist film before or after exposing the chemically amplified resist film; and forming the given pattern in the chemically amplified resist film by developing.
摘要翻译: 一种形成抗蚀剂图案的方法,包括以下步骤:通过使用具有给定图案的掩模曝光化学放大的抗蚀剂膜; 在化学放大抗蚀剂膜暴露之前或之后,在化学放大抗蚀剂膜的表面上形成熔点不高于10℃,沸点不低于50℃的石蜡保护膜 ; 并通过显影在化学放大抗蚀剂膜中形成给定的图案。
-
公开(公告)号:US06315803B1
公开(公告)日:2001-11-13
申请号:US09452384
申请日:1999-12-01
申请人: Katsuyoshi Ina , Tadahiro Kitamura
发明人: Katsuyoshi Ina , Tadahiro Kitamura
IPC分类号: C23F118
CPC分类号: C09K3/1463 , C09G1/02 , H01L21/3212
摘要: Object: To provide a polishing composition which is capable of polishing a tantalum-containing compound at a high stock removal rate and whereby the copper surface after polishing is scarcely corroded, and to provide a polishing process where dishing can be minimized. Means to accomplish the object: A polishing composition comprising an abrasive, oxalic acid, an ethylenediamine derivative, a benzotriazole derivative and water and not containing an oxidizing agent, and a polishing composition comprising an abrasive, oxalic acid, an ethylenediamine derivative, a benzotriazole derivative, water and hydrogen peroxide. Further, a polishing process for forming a copper printed wiring, which is a polishing process for a semiconductor device and which comprises a first polishing step wherein polishing is completed immediately before reaching a barrier layer while a copper layer still slightly remains, and second and third polishing steps wherein the remaining copper layer and the barrier layer are polished, wherein in the second polishing step, a polishing composition containing hydrogen peroxide is used and all the copper layer to be removed, is removed by polishing, and then, in the third polishing step, a polishing composition not containing hydrogen peroxide is used and all the barrier layer to be removed, is removed by polishing.
摘要翻译: 对象物:提供一种抛光组合物,该抛光组合物能够以较高的原料去除速率抛光含钽化合物,并且由此抛光后的铜表面几乎不被腐蚀,并提供可以最小化凹陷的抛光工艺。 实现该目的的手段:包含磨料,草酸,乙二胺衍生物,苯并三唑衍生物和水,不含氧化剂的抛光组合物,以及包含研磨剂,草酸,乙二胺衍生物,苯并三唑衍生物 ,水和过氧化氢。此外,作为用于半导体器件的抛光工艺的铜印刷布线的抛光工艺,其包括第一抛光步骤,其中抛光在到达阻挡层之前完成,同时铜层仍然稍微 剩下的第二和第三抛光步骤,其中抛光剩余的铜层和阻挡层,其中在第二抛光步骤中,使用含有过氧化氢的抛光组合物,并且通过抛光去除所有要除去的铜层,以及 那么在第三抛光步骤中,不含有氢的抛光组合物 使用xide并且要去除的所有阻挡层通过抛光去除。
-
公开(公告)号:US06248144B1
公开(公告)日:2001-06-19
申请号:US09616974
申请日:2000-07-14
申请人: Kazusei Tamai , Katsuyoshi Ina
发明人: Kazusei Tamai , Katsuyoshi Ina
IPC分类号: C01B33141
CPC分类号: C09G1/02 , B01F3/1214 , B01F2003/125 , B01F2215/0045 , H01L21/30625
摘要: A process for producing a polishing composition, which comprises preliminarily adjusting water to pH 2-4, adding from 40 to 60 wt % of fumed silica to the water under high shearing force, adding water to lower the viscosity to 2-10000 cps, stirring the mixture under low shearing force for at least 5 minutes, adding water to lower the fumed silica concentration to 10-38 wt %, and adding a basic substance under vigorous stirring to raise the pH to 9-12.
摘要翻译: 一种抛光组合物的制造方法,其特征在于,将水预先调节至pH2〜2-4,在高剪切力下,向水中添加40〜60重量%的热解法二氧化硅,加入水使粘度降至2-10000cps,搅拌 该混合物在低剪切力下至少5分钟,加入水以将煅制二氧化硅浓度降低至10-38重量%,并在剧烈搅拌下加入碱性物质以将pH升高至9-12。
-
-
-
-
-