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    • 5. 发明授权
    • Row electrode anodization
    • 行电极阳极氧化
    • US06433473B1
    • 2002-08-13
    • US09258021
    • 1999-02-25
    • Kishore K. ChakravortyFariborz NadiChristopher J. SpindtRonald L. HansenColin D. Stanners
    • Kishore K. ChakravortyFariborz NadiChristopher J. SpindtRonald L. HansenColin D. Stanners
    • H01J162
    • H01J9/148H01J3/022H01J29/02
    • A structure and method for forming an column electrode for a field emission display device wherein the column electrode is disposed beneath the field emitters and the row electrode. In one embodiment, the present invention comprises depositing a resistor layer over portions of a column electrode. Next, an inter-metal dielectric layer is deposited over the column electrode. In the present embodiment, the inter-metal dielectric layer is deposited over portions of the resistor layer and over pad areas of the column electrode. After the deposition of the inter-metal dielectric layer, the column electrode is subjected to an anodization process such that exposed regions of the column electrode are anodized. In so doing, the present invention provides a column electrode structure which is resistant to column to row electrode shorts and which is protected from subsequent processing steps.
    • 一种用于形成用于场发射显示装置的列电极的结构和方法,其中列电极设置在场发射极和行电极之下。 在一个实施例中,本发明包括在列电极的部分上沉积电阻层。 接下来,在列电极上沉积金属间介电层。 在本实施例中,金属间介电层沉积在列电极的电阻层和焊盘区域的部分上。 在沉积金属间电介质层之后,对柱电极进行阳极氧化处理,使得阳极氧化柱电极的露出区域。 在这样做时,本发明提供了一种对柱对电极短路有抵抗力的列电极结构,并且不受后续处理步骤的保护。
    • 10. 发明授权
    • Self-aligned process for fabrication of interconnect structures in
semiconductor applications
    • 用于制造半导体应用中的互连结构的自对准工艺
    • US5112448A
    • 1992-05-12
    • US442238
    • 1989-11-28
    • Kishore K. Chakravorty
    • Kishore K. Chakravorty
    • H01L21/288H01L21/48H01L21/768H05K3/10H05K3/24H05K3/46
    • H01L21/76885H01L21/2885H01L21/4846H01L21/76877H05K3/107H05K3/243H05K3/4644Y10S205/917
    • A method for fabricating conductors in dielectric trenches in a self-aligned manner. Interconnect modules with a high conductor density are achieved by using a copper-polyimide system as a versatile packaging approach. A photosensitive polyimide is applied to a substrate and lithographically patterned to form polyimide steps having a characteristic positive slope, between which are defined trenches in which the substrate is exposed. A thin electroplating seed layer is deposited over the polyimide steps and the substrate. Copper is electroplated into trenches, but does not plate onto the tops of the polyimide steps, since the electroplating seed layer at that location is not electrically connected to the electroplating seed layer in the bottom of the trenches. The electroplating seed layer on top of the polyimide steps is then removed by chemical etching, plasma machining, or ion-milling. A planar structure is eventually obtained without the use of multiple coatings of polyimide layers or any additional masking layers or lift-off layers.
    • 一种以自对准方式在介质沟槽中制造导体的方法。 具有高导体密度的互连模块通过使用铜 - 聚酰亚胺系统作为通用封装方法来实现。 将感光性聚酰亚胺涂布在基板上并进行光刻图案化以形成具有特征正斜率的聚酰亚胺步骤,在其间形成有暴露基板的界定的沟槽。 在聚酰亚胺步骤和基底上沉积薄的电镀种子层。 由于在该位置处的电镀种子层不与沟槽底部的电镀种子层电连接,所以将铜电镀到沟槽中,但不会沉积在聚酰亚胺步骤的顶部上。 然后通过化学蚀刻,等离子体加工或离子研磨去除聚酰亚胺步骤顶部的电镀种子层。 最终获得平面结构,而不使用多层聚酰亚胺层或任何附加掩模层或剥离层。