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    • 7. 发明申请
    • SPACER PROCESS FOR ON PITCH CONTACTS AND RELATED STRUCTURES
    • 用于触点接触和相关结构的间隔工艺
    • US20100221920A1
    • 2010-09-02
    • US12781681
    • 2010-05-17
    • Gurtej SandhuMark KiehlbauchSteve KramerJohn Smythe
    • Gurtej SandhuMark KiehlbauchSteve KramerJohn Smythe
    • H01L21/311
    • H01L21/76816H01L21/0337H01L21/0338H01L23/528H01L2924/0002Y10S438/942H01L2924/00
    • Methods are disclosed, such as those involving increasing the density of isolated features in an integrated circuit. Also disclosed are structures associated with the methods. In one or more embodiments, contacts are formed on pitch with other structures, such as conductive interconnects. The interconnects may be formed by pitch multiplication. To form the contacts, in some embodiments, a pattern corresponding to some of the contacts is formed in a selectively definable material such as photoresist. The features in the selectively definable material are trimmed to desired dimensions. Spacer material is blanket deposited over the features in the selectively definable material and the deposited material is then etched to leave spacers on sides of the features. The selectively definable material is removed to leave a mask defined by the spacer material. The pattern defined by the spacer material may be transferred to a substrate, to form on pitch contacts. In some embodiments, the on pitch contacts may be used to electrically contact conductive interconnects in the substrate.
    • 公开了诸如涉及增加集成电路中的隔离特征的密度的方法。 还公开了与该方法相关联的结构。 在一个或多个实施例中,触头在其它结构(例如导电互连)的间距上形成。 互连可以由间距倍增形成。 为了形成触点,在一些实施例中,对应于一些触点的图案形成在诸如光致抗蚀剂的可选择定义的材料中。 可选择定义的材料中的特征被修剪到期望的尺寸。 间隔材料被毯子沉积在可选择定义的材料中的特征上,然后蚀刻沉积的材料以在特征的侧面留下间隔物。 去除可选择定义的材料以留下由间隔物材料限定的掩模。 由间隔物材料限定的图案可以转移到基底上,以形成间距接触。 在一些实施例中,上电触点可用于电接触衬底中的导电互连。
    • 8. 发明申请
    • Semiconductor Constructions
    • 半导体建筑
    • US20100109127A1
    • 2010-05-06
    • US12687735
    • 2010-01-14
    • Mark Kiehlbauch
    • Mark Kiehlbauch
    • H01L29/00
    • H01L21/31138H01L21/0273H01L21/0337H01L21/32139H01L27/11517
    • Some embodiments include methods of reflecting ions off of vertical regions of photoresist mask sidewalls such that the ions impact foot regions along the bottom of the photoresist mask sidewalls and remove at least the majority of the foot regions. In some embodiments, trenches may be formed adjacent the photoresist mask sidewalls in a material that is beneath the photoresist mask. Another material may be formed to have projections extending into the trenches. Such projections may assist in anchoring said other material to the material that is beneath the photoresist mask. In some embodiments, the photoresist mask is utilized for patterning flash memory structures. Some embodiments include semiconductor constructions having materials anchored to underlying materials through fang-like projections.
    • 一些实施例包括将离子从光致抗蚀剂掩模侧壁的垂直区域反射的方法,使得离子沿着光致抗蚀剂掩模侧壁的底部冲击脚区域,并移除至少大部分的脚区域。 在一些实施例中,可以在光致抗蚀剂掩模下方的材料中邻近光致抗蚀剂掩模侧壁形成沟槽。 另一种材料可以形成为具有延伸到沟槽中的突起。 这种突起可以有助于将所述其它材料锚定在光致抗蚀剂掩模下方的材料上。 在一些实施例中,光刻胶掩模用于图案化闪存结构。 一些实施例包括具有通过方形突起锚固到下面的材料的材料的半导体构造。
    • 9. 发明授权
    • Methods of forming capacitors
    • 形成电容器的方法
    • US07696056B2
    • 2010-04-13
    • US12114129
    • 2008-05-02
    • Mark KiehlbauchKevin Shea
    • Mark KiehlbauchKevin Shea
    • H01L21/20H01L27/108
    • H01L28/91H01L27/10852H01L27/10894
    • A method of forming a capacitor includes providing material having an opening therein over a node location on a substrate. A shield is provided within and across the opening, with a void being received within the opening above the shield and a void being received within the opening below the shield. The shield is etched through within the opening. After the etching, a first capacitor electrode is formed within the opening in electrical connection with the node location. A capacitor dielectric and a second capacitor electrode are formed operatively adjacent the first capacitor electrode.
    • 形成电容器的方法包括在衬底上的节点位置上提供其中具有开口的材料。 在开口内和横过开口设置有屏蔽件,空隙被容纳在屏蔽件上方的开口内,并且在屏蔽件下面的开口内容纳有空隙。 屏蔽层在开口内蚀刻。 在蚀刻之后,在开口内形成与节点位置电连接的第一电容器电极。 与第一电容器电极可操作地形成电容器电介质和第二电容器电极。