CMP slurry for polishing semiconductor wafers and related methods
    1.
    发明授权
    CMP slurry for polishing semiconductor wafers and related methods 有权
    用于抛光半导体晶片的CMP浆料及相关方法

    公开(公告)号:US06458289B1

    公开(公告)日:2002-10-01

    申请号:US09413742

    申请日:1999-10-06

    IPC分类号: C09K1300

    CPC分类号: H01L21/3212

    摘要: A CMP slurry includes a first emulsion having a continuous aqueous phase and a second emulsion. The first emulsion includes abrasive particles, and the second emulsion captures metal particles polished from the semiconductor wafer. Thus, metal particles can be removed from the slurry during CMP to avoid damaging and/or contaminating the semiconductor wafer.

    摘要翻译: CMP浆料包括具有连续水相和第二乳液的第一乳液。 第一乳液包括研磨颗粒,第二乳液捕获从半导体晶片抛光的金属颗粒。 因此,在CMP期间可以从浆料中除去金属颗粒,以避免损坏和/或污染半导体晶片。

    Polishing pads from closed-cell elastomer foam
    6.
    发明授权
    Polishing pads from closed-cell elastomer foam 有权
    来自闭孔弹性体泡沫的抛光垫

    公开(公告)号:US06368200B1

    公开(公告)日:2002-04-09

    申请号:US09516836

    申请日:2000-03-02

    IPC分类号: B24D1100

    CPC分类号: B24B37/24

    摘要: A polishing pad formed from closed-cell elastomer foam includes a population of bubbles within the pad. As the pad wears due to polishing and the polishing surface recedes, the freshly formed polishing surface includes pores formed of the newly exposed bubbles. The pores receive and retain polishing slurry and aid in the chemical mechanical polishing process. Pad conditioning is not required because new pores are constantly being created at the pad surface as the surface recedes during polishing. The method for forming the polishing pad includes the injection of gas bubbles into the viscous elastomer material used to form the pad. Process conditions are chosen to maintain gas bubbles within the elastomer material during the curing and solidifying process steps.

    摘要翻译: 由闭孔弹性体泡沫形成的抛光垫包括垫内的气泡群。 当由于抛光而抛光垫磨损并且抛光表面后退时,新形成的抛光表面包括由新露出的气泡形成的孔。 孔隙接收和保留抛光浆料并有助于化学机械抛光过程。 不需要衬垫调节,因为在抛光期间表面后退时,在衬垫表面上不断产生新的孔。 用于形成抛光垫的方法包括将气泡注入用于形成垫的粘性弹性体材料中。 选择工艺条件以在固化和固化过程步骤期间保持弹性体材料内的气泡。

    CMP system and slurry for polishing semiconductor wafers and related method
    8.
    发明授权
    CMP system and slurry for polishing semiconductor wafers and related method 有权
    CMP系统和用于抛光半导体晶片的浆料及相关方法

    公开(公告)号:US06364744B1

    公开(公告)日:2002-04-02

    申请号:US09496829

    申请日:2000-02-02

    IPC分类号: B24B4900

    摘要: A chemical mechanical polishing (CMP) system includes a polishing device including a polishing article. The polishing device provides relative movement between the semiconductor wafer and the polishing article with a slurry therebetween. The slurry preferably includes abrasive particles and a photocatalyst to enhance oxidation of metal of the semiconductor wafer. The slurry may also include water and the photocatalyst is a mixed metal oxide for breaking down water into hydrogen and oxygen in the presence of light.

    摘要翻译: 化学机械抛光(CMP)系统包括包括抛光制品的抛光装置。 抛光装置提供半导体晶片和抛光制品之间的相对运动,其间具有浆料。 该浆料优选包括研磨颗粒和光催化剂以增强半导体晶片的金属的氧化。 浆料还可以包括水,光催化剂是用于在光存在下将水分解成氢和氧的混合金属氧化物。

    Method of making a semiconductor with copper passivating film
    9.
    发明授权
    Method of making a semiconductor with copper passivating film 有权
    用铜钝化膜制造半导体的方法

    公开(公告)号:US06287970B1

    公开(公告)日:2001-09-11

    申请号:US09370912

    申请日:1999-08-06

    IPC分类号: H01L2144

    摘要: A method of making a semiconductor device includes the steps of forming an oxide layer adjacent a semiconductor substrate, etching trenches within the oxide layer, depositing a copper layer to at least fill the etched trenches, and forming a copper arsenate layer on the deposited copper layer. The copper arsenate layer is then chemically mechanically polished. The copper layer may be deposited by at least one of electrodeposition, electroplating and chemical vapor deposition. The copper arsenate layer on the surface of the deposited copper layer inhibits oxidation and corrosion and stabilizes the microstructure of the deposited copper layer to thereby eliminate a need to subsequently anneal the deposited copper layer.

    摘要翻译: 制造半导体器件的方法包括以下步骤:在半导体衬底附近形成氧化物层,蚀刻氧化物层内的沟槽,沉积铜层以至少填充蚀刻的沟槽,以及在沉积的铜层上形成砷酸铜层 。 然后将砷酸铜层化学机械抛光。 可以通过电沉积,电镀和化学气相沉积中的至少一种来沉积铜层。 沉积的铜层表面上的砷酸铜层抑制氧化和腐蚀并稳定沉积的铜层的微观结构,从而不需要随后退火沉积的铜层。

    Chemical mechanical polishing composition and method of polishing metal layers using same
    10.
    发明授权
    Chemical mechanical polishing composition and method of polishing metal layers using same 有权
    化学机械抛光组合物及使用其研磨金属层的方法

    公开(公告)号:US06599837B1

    公开(公告)日:2003-07-29

    申请号:US09515730

    申请日:2000-02-29

    IPC分类号: H01L21302

    摘要: The present invention provides a chemical mechanical planarization (CMP) polishing composition that polishes metal layers at a good removal rate and that provides good planarization of metal layers in a process that can be readily controlled. The CMP polishing composition of the present composition includes a plurality of abrasive particles, a triazole or a triazole derivative, a ferricyanide salt oxidizing agent and water and has a pH of from about 1 to about 6. In addition, the present invention includes a method for removing at least a portion of a metallization layer by polishing a metallization layer using the CMP polishing composition of the invention.

    摘要翻译: 本发明提供了一种化学机械平面化(CMP)抛光组合物,其以良好的去除速率抛光金属层并且在易于控制的工艺中提供良好的金属层平面化。 本发明组合物的CMP抛光组合物包括多个研磨颗粒,三唑或三唑衍生物,铁氰化物盐氧化剂和水,并且其pH为约1至约6.另外,本发明包括一种方法 用于通过使用本发明的CMP抛光组合物抛光金属化层来去除至少一部分金属化层。