PROCESSES FOR UNIFORM METAL SEMICONDUCTOR ALLOY FORMATION FOR FRONT SIDE CONTACT METALLIZATION AND PHOTOVOLTAIC DEVICE FORMED THEREFROM
    21.
    发明申请
    PROCESSES FOR UNIFORM METAL SEMICONDUCTOR ALLOY FORMATION FOR FRONT SIDE CONTACT METALLIZATION AND PHOTOVOLTAIC DEVICE FORMED THEREFROM 有权
    用于前金属半导体合金形成的方法用于形成前端接触金属化和其形成的光电器件

    公开(公告)号:US20120318341A1

    公开(公告)日:2012-12-20

    申请号:US13159897

    申请日:2011-06-14

    IPC分类号: H01L31/0216 H01L31/18

    摘要: Processes for fabricating photovoltaic devices in which the front side contact metal semiconductor alloy metallization patterns have a uniform thickness at edge portions as well as a central portion of each metallization pattern are provided. In one embodiment, a method of forming a photovoltaic device is provided that includes a p-n junction with a p-type semiconductor portion and an n-type semiconductor portion one on top of the other, wherein an upper exposed surface of one of the semiconductor portions represents a front side surface of the semiconductor substrate; forming a plurality of patterned antireflective coating layers on the front side surface of the semiconductor surface to provide a grid pattern including a busbar region and finger regions; forming a mask atop the plurality of patterned antireflective coating layers, the mask having a shape that mimics each patterned antireflective coating; electrodepositing a metal layer on the busbar region and the finger regions; removing the mask; and performing an anneal, wherein during the anneal metal atoms from the metal layer react with semiconductor atoms from the busbar region and the finger regions forming a metal semiconductor alloy.

    摘要翻译: 提供了其中前侧接触金属半导体合金金属化图案在边缘部分具有均匀厚度以及每个金属化图案的中心部分的光伏器件的制造方法。 在一个实施例中,提供了一种形成光伏器件的方法,该方法包括:pn结与p型半导体部分和n型半导体部分之间,其中一个半导体部分的上部暴露表面 表示半导体衬底的前侧表面; 在所述半导体表面的前侧表面上形成多个图案化的抗反射涂层,以提供包括汇流条区域和手指区域的网格图案; 在所述多个图案化的抗反射涂层之上形成掩模,所述掩模具有模仿每个图案化抗反射涂层的形状; 在母线区域和手指区域上电沉积金属层; 去除面膜; 并执行退火,其中在退火期间,来自金属层的金属原子与母线区域的半导体原子和形成金属半导体合金的指状区域反应。

    METHOD FOR PATTERNING MAGNETIC FILMS
    23.
    发明申请
    METHOD FOR PATTERNING MAGNETIC FILMS 审中-公开
    用于绘制磁片的方法

    公开(公告)号:US20110272287A1

    公开(公告)日:2011-11-10

    申请号:US12776010

    申请日:2010-05-07

    IPC分类号: C25D5/34

    摘要: A method of patterning magnetic devices and sensors by double etching, which includes forming a layer of dielectric on a substrate; depositing a thin adhesion layer and a thin seed layer; applying a thin resist frame to pattern a structure; cleaning the metal surface to prepare for plating; electroplating to fill up the structure and the uncovered field area, which uses a paddle cell with a permanent magnet providing magnetic field to induce magnetic orientation; stripping the resist frame; etching the seed layer/adhesion layer exposed below the resist frame down to the dielectric surface; etching the rest of magnetic materials and the seed layer using electrolytic etching in the field; etching the adhesion layer in the field, and repeating the steps for building structures with multiple levels.

    摘要翻译: 一种通过双蚀刻图案化磁性器件和传感器的方法,包括在衬底上形成电介质层; 沉积薄的粘合层和薄的种子层; 施加薄的抗蚀剂框架以构图结构; 清洗金属表面进行电镀准备; 电镀以填充结构和未覆盖的场区域,其使用具有提供磁场的永磁体的桨电池来诱导磁取向; 剥离抗蚀框架; 将暴露在抗蚀剂框架下方的种子层/粘合层蚀刻到电介质表面; 在现场使用电解蚀刻蚀刻其余的磁性材料和种子层; 在现场蚀刻粘合层,并重复用于建造具有多层结构的步骤。

    METHOD FOR FABRICATING SELF-ALIGNED NANOSTRUCTURE USING SELF-ASSEMBLY BLOCK COPOLYMERS, AND STRUCTURES FABRICATED THEREFROM
    24.
    发明申请
    METHOD FOR FABRICATING SELF-ALIGNED NANOSTRUCTURE USING SELF-ASSEMBLY BLOCK COPOLYMERS, AND STRUCTURES FABRICATED THEREFROM 有权
    使用自组装嵌段共聚物制备自对准纳米结构的方法及其制备的结构

    公开(公告)号:US20090233236A1

    公开(公告)日:2009-09-17

    申请号:US12049780

    申请日:2008-03-17

    IPC分类号: G03F7/00

    摘要: In one embodiment, the present invention provides a method for patterning a surface that includes forming a block copolymer atop a heterogeneous reflectivity surface, wherein the block copolymer is segregated into first and second units; applying a radiation to the first units and second units, wherein the heterogeneous reflectivity surface produces an exposed portion of the first units and the second units; and applying a development cycle to selectively remove at least one of the exposed first and second units of the segregated copolymer film to provide a pattern.

    摘要翻译: 在一个实施方案中,本发明提供了一种用于图案化表面的方法,其包括在异质反射表面之上形成嵌段共聚物,其中嵌段共聚物分离成第一和第二单元; 对所述第一单元和第二单元施加辐射,其中所述异质反射表面产生所述第一单元和所述第二单元的暴露部分; 并且施加开发周期以选择性地去除所述分离的共聚物膜的暴露的第一和第二单元中的至少一个以提供图案。

    OXIDANT AND PASSIVANT COMPOSITION AND METHOD FOR USE IN TREATING A MICROELECTRONIC STRUCTURE
    25.
    发明申请
    OXIDANT AND PASSIVANT COMPOSITION AND METHOD FOR USE IN TREATING A MICROELECTRONIC STRUCTURE 失效
    氧化剂和有害成分及其在微电子结构处理中的应用

    公开(公告)号:US20090008361A1

    公开(公告)日:2009-01-08

    申请号:US11774041

    申请日:2007-07-06

    CPC分类号: C23G1/103 H01L21/02063

    摘要: A composition that may be used for cleaning a metal containing conductor layer, such as a copper containing conductor layer, within a microelectronic structure includes an aqueous acid, along with an oxidant material and a passivant material contained within the aqueous acid. The composition does not include an abrasive material. The composition is particularly useful for cleaning a residue from a copper containing conductor layer and an adjoining dielectric layer that provides an aperture for accessing the copper containing conductor layer within a microelectronic structure.

    摘要翻译: 微电子结构中可用于清洗含金属导体层(例如含铜导电体层)的组合物包括酸水溶液以及氧化剂材料和含水酸性物质中的钝化材料。 组合物不包括研磨材料。 所述组合物特别可用于从含铜导体层和邻接的介电层清洁残留物,所述相邻介电层提供用于在微电子结构内进入含铜导体层的孔。

    METHOD FOR KINETICALLY CONTROLLED ETCHING OF COPPER
    26.
    发明申请
    METHOD FOR KINETICALLY CONTROLLED ETCHING OF COPPER 失效
    用于动态控制铜蚀刻的方法

    公开(公告)号:US20080286701A1

    公开(公告)日:2008-11-20

    申请号:US11749800

    申请日:2007-05-17

    IPC分类号: G03C5/58 C09K13/00

    摘要: An etching composition, particularly for kinetically controlled etching of copper and copper alloy surfaces; a process for etching copper and copper alloys, particularly for etching at high rates to provide uniform and smooth, isotropic surfaces; an etched copper or copper alloy surface obtained by the process; and a process for generating copper or copper alloy electrical interconnects or contact pads. The etching composition and etching processes provide a smooth, isotropic fast etch of copper and copper alloys for semiconductor fabrication and packaging.

    摘要翻译: 蚀刻组合物,特别用于铜和铜合金表面的动态控制蚀刻; 蚀刻铜和铜合金的方法,特别是用于高速蚀刻以提供均匀和光滑的各向同性表面的方法; 通过该方法获得的蚀刻铜或铜合金表面; 以及用于产生铜或铜合金电互连或接触焊盘的工艺。 蚀刻组合物和蚀刻工艺提供用于半导体制造和封装的铜和铜合金的平滑,各向同性的快速蚀刻。