Method for patterning ceramic layers
    3.
    发明授权
    Method for patterning ceramic layers 失效
    图案化陶瓷层的方法

    公开(公告)号:US06953722B2

    公开(公告)日:2005-10-11

    申请号:US10425461

    申请日:2003-04-29

    IPC分类号: H01L21/311 H01L21/8242

    CPC分类号: H01L27/10867 H01L21/31133

    摘要: In a method for forming patterned ceramic layers, a ceramic material is deposited on a substrate and is subsequently densified by heat treatment, for example. In this case, the initially amorphous material is converted into a crystalline or polycrystalline form. In order that the now crystalline material can be removed again from the substrate, imperfections are produced in the ceramic material, for example by ion implantation. As a result, the etching medium can more easily attack the ceramic material, so that the latter can be removed with a higher etching rate. Through inclined implantation, the method can be performed in a self-aligning manner and the ceramic material can be removed on one side, by way of example, in trenches or deep trench capacitors.

    摘要翻译: 在用于形成图案化陶瓷层的方法中,陶瓷材料沉积在基底上,并随后通过热处理致密化。 在这种情况下,最初的无定形材料被转化为结晶或多晶形式。 为了现在的结晶材料可以再次从衬底去除,例如通过离子注入在陶瓷材料中产生缺陷。 结果,蚀刻介质可以更容易地侵蚀陶瓷材料,使得后者可以以更高的蚀刻速率被去除。 通过倾斜注入,该方法可以以自对准的方式进行,并且陶瓷材料可以通过例如在沟槽或深沟槽电容器中被一侧除去。

    Method of fabricating a trench-structure capacitor device
    4.
    发明授权
    Method of fabricating a trench-structure capacitor device 有权
    制造沟槽结构电容器器件的方法

    公开(公告)号:US06693016B2

    公开(公告)日:2004-02-17

    申请号:US10233690

    申请日:2002-09-03

    IPC分类号: H01L2120

    CPC分类号: H01L27/10861

    摘要: The novel trench capacitors have a constant or increased capacitance. Materials for a second electrode region and if appropriate a first electrode region include a metallic material, a metal nitride, or the like, and/or a dielectric region is formed with a material with an increased dielectric constant. An insulation region is formed in the upper wall region of the trench after the first electrode region or the second electrode region has been formed, by selective and local oxidation.

    摘要翻译: 新颖的沟槽电容器具有恒定或增加的电容。 第二电极区域的材料和适当的第一电极区域包括金属材料,金属氮化物等,和/或介电区域由介电常数增加的材料形成。 通过选择性和局部氧化,在形成第一电极区域或第二电极区域之后,在沟槽的上壁区域中形成绝缘区域。

    Method for etching a trench in a semiconductor substrate
    5.
    发明申请
    Method for etching a trench in a semiconductor substrate 审中-公开
    蚀刻半导体衬底中的沟槽的方法

    公开(公告)号:US20060264054A1

    公开(公告)日:2006-11-23

    申请号:US11100325

    申请日:2005-04-06

    IPC分类号: H01L21/465

    摘要: The present invention relates to a method for etching a trench in a semiconductor substrate. More specifically, the present invention relates to a method for etching deep trenches such as those having aspect ratios of 30 and higher. According to embodiments of the invention, a method for etching a trench in a semiconductor substrate includes a first etch cycle wherein the trench is etched to a first depth. Thereafter, a protective liner is deposited on at least the upper part of the trench's sidewalls. The protective liner includes inorganic material. During at least one second etch cycle, the trench is etched to its final depth.

    摘要翻译: 本发明涉及一种用于蚀刻半导体衬底中的沟槽的方法。 更具体地说,本发明涉及一种蚀刻深沟槽的方法,例如具有30或更高的纵横比的那些。 根据本发明的实施例,用于蚀刻半导体衬底中的沟槽的方法包括第一蚀刻循环,其中沟槽被蚀刻到第一深度。 此后,保护性衬垫至少沉积在沟槽侧壁的上部。 保护性衬垫包括无机材料。 在至少一个第二蚀刻周期期间,将沟槽蚀刻到其最终深度。

    Method of fabricating an oxide collar for a trench capacitor
    6.
    发明授权
    Method of fabricating an oxide collar for a trench capacitor 有权
    制造用于沟槽电容器的氧化物环的方法

    公开(公告)号:US07087485B2

    公开(公告)日:2006-08-08

    申请号:US10765052

    申请日:2004-01-28

    IPC分类号: H01L21/8242

    摘要: A method for fabricating patterned ceramic layers on areas of a relief structure, wherein the layers may be arranged essentially perpendicular to a top side of a substrate. In exemplary embodiments, a patterned ceramic layer forms an oxide collar for a trench capacitor. The oxide collar is produced by a trench firstly being filled with a resist in its lower section, and an oxide layer subsequently being produced on the uncovered areas of the substrate with the aid of a low temperature ALD method. By means of anisotropic etching, only those portions of the ceramic layer which are arranged at the perpendicular walls of the trench remain. The resist filling may subsequently be removed, for example, by means of an oxygen plasma.

    摘要翻译: 一种用于在浮雕结构的区域上制造图案化陶瓷层的方法,其中所述层可以布置成基本上垂直于衬底的顶侧。 在示例性实施例中,图案化陶瓷层形成用于沟槽电容器的氧化物环。 氧化物套环由首先在其下部填充有抗蚀剂的沟槽产生,随后在低温ALD方法的帮助下在衬底的未覆盖区域上产生氧化物层。 通过各向异性蚀刻,仅保留布置在沟槽的垂直壁处的陶瓷层的那些部分。 可以随后例如通过氧等离子体去除抗蚀剂填充。

    Method of fabricating an oxide collar for a trench capacitor
    8.
    发明申请
    Method of fabricating an oxide collar for a trench capacitor 有权
    制造用于沟槽电容器的氧化物环的方法

    公开(公告)号:US20050037565A1

    公开(公告)日:2005-02-17

    申请号:US10765052

    申请日:2004-01-28

    摘要: A method for fabricating patterned ceramic layers on areas of a relief structure, wherein the layers may be arranged essentially perpendicular to a top side of a substrate. In exemplary embodiments, a patterned ceramic layer forms an oxide collar for a trench capacitor. The oxide collar is produced by a trench firstly being filled with a resist in its lower section, and an oxide layer subsequently being produced on the uncovered areas of the substrate with the aid of a low temperature ALD method. By means of anisotropic etching, only those portions of the ceramic layer which are arranged at the perpendicular walls of the trench remain. The resist filling may subsequently be removed, for example, by means of an oxygen plasma.

    摘要翻译: 一种用于在浮雕结构的区域上制造图案化陶瓷层的方法,其中所述层可以布置成基本上垂直于衬底的顶侧。 在示例性实施例中,图案化陶瓷层形成用于沟槽电容器的氧化物环。 氧化物套环由首先在其下部填充有抗蚀剂的沟槽产生,随后在低温ALD方法的帮助下在衬底的未覆盖区域上产生氧化物层。 通过各向异性蚀刻,仅保留布置在沟槽的垂直壁处的陶瓷层的那些部分。 可以随后例如通过氧等离子体去除抗蚀剂填充。

    Method of producing a microelectronic electrode structure, and microelectronic electrode structure
    10.
    发明授权
    Method of producing a microelectronic electrode structure, and microelectronic electrode structure 有权
    微电子电极结构的制造方法和微电子电极结构

    公开(公告)号:US07317201B2

    公开(公告)日:2008-01-08

    申请号:US11296740

    申请日:2005-12-07

    IPC分类号: H01L47/00

    摘要: In a method for producing a microelectronic electrode structure a first wiring plane is prepared, an insulating region on the first wiring plane is provided, a through-hole in the insulating region is formed, a ring electrode in the through-hole is formed, and a second wiring plane is formed on the insulating region. The ring electrode comprises a first side and a second side, the ring electrode is electrically connected on the first side to the first wiring plane, and the second wiring plane is electrically connected to the second side of the ring electrode.

    摘要翻译: 在制造微电子电极结构体的方法中,制备第一布线面,设置第一布线面上的绝缘区域,形成绝缘区域的贯通孔,形成通孔内的环状电极, 在绝缘区域上形成第二布线平面。 环形电极包括第一侧和第二侧,环形电极在第一侧电连接到第一布线平面,并且第二布线平面电连接到环形电极的第二侧。