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    • 1. 发明授权
    • Chemical printing of raw aluminum anode foil to induce uniform patterning etching
    • 化学印刷原铝阳极箔以诱导均匀图案蚀刻
    • US07531078B1
    • 2009-05-12
    • US11036576
    • 2005-01-13
    • Thomas F. StrangeJames L. StevensXiaofei Jiang
    • Thomas F. StrangeJames L. StevensXiaofei Jiang
    • C25F3/16H01G4/00
    • C25F3/04H01G9/0029H01G9/055
    • A method of producing a highly etched electrode for a capacitor from a foil is disclosed. The method comprises first applying a composition to the foil to form a plurality of deposits on the foil surface. The method then includes heating the deposits to form micron-sized features and etching the foil. Preferably, the micron-sized features facilitate etching of the foil surface at the location of the micron-sized features. After etching, the foil is optionally further processed in a combination of optional steps such as widening, forming and finishing steps. The controlled application and heating of deposits on the foil surface allows for positional control of tunnel initiation during etching. Thus, the present invention relates to a method of controlling the etching of a foil, such that tunnel initiation density and the location of tunnel initiation is controlled. By controlling the position of tunnel initiation, foils are etched more uniformly and have optimum tunnel distributions, thus allows for the production of highly etched foils that maintain high strength and have high capacitance. The present invention further includes an electrolytic capacitor comprising etched aluminum anode foils, which have been prepared using the methods of the present invention.
    • 公开了一种从箔制造用于电容器的高蚀刻电极的方法。 该方法包括首先将组合物施加到箔上以在箔表面上形成多个沉积物。 该方法然后包括加热沉积物以形成微米尺寸的特征并蚀刻箔。 优选地,微米尺寸的特征便于在微米尺寸特征的位置处蚀刻箔表面。 在蚀刻之后,箔可选地进一步以可选步骤的组合进行加工,例如加宽,成形和精加工步骤。 箔表面上的沉积物的受控应用和加热允许在蚀刻期间隧道起始的位置控制。 因此,本发明涉及一种控制箔蚀刻的方法,以便控制隧道起始密度和隧道起始位置。 通过控制隧道起始的位置,箔被更均匀地蚀刻并且具有最佳的隧道分布,从而允许生产保持高强度并具有高电容的高度蚀刻的箔。 本发明还包括使用本发明的方法制备的包含蚀刻的铝阳极箔的电解电容器。
    • 7. 发明授权
    • Method of producing an anode for an electrolytic capacitor
    • 电解电容器的阳极的制造方法
    • US07445646B1
    • 2008-11-04
    • US10912936
    • 2004-08-06
    • Thomas F. StrangeR. Jason HemphillXiaofei Jiang
    • Thomas F. StrangeR. Jason HemphillXiaofei Jiang
    • H01G9/045H01G9/048
    • H01G9/048H01G9/045Y10T29/417Y10T29/43Y10T29/496Y10T428/12479
    • A micro-denier fiber of less than approximately 2.0 microns is coated in a valve metal to a metal thickness of approximately 0.2 to 2.0 microns. In one embodiment, a long filament of coated fiber is wound on a spool in such a way that the maximum arrangement of fiber density is achieved For example, the spool may have a cross section exhibiting a hexagonal close-packed arrangement of the fibers. In another embodiment, a plurality of fibers may be grown or formed into a particular arrangement prior to coating. Once coated and arranged, the fiber mass is compressed and constrained so that shapes can be cut out in various thicknesses, such as, for example, approximately 50 microns to 5000 microns. Each sheet is sintered to bind the metal and remove the fiber, leaving a porous anode that can be oxidized and formed in the usual manner for a capacitor.
    • 小于约2.0微米的微旦数纤维被涂覆在阀金属中,金属厚度约为0.2至2.0微米。 在一个实施例中,将长丝涂覆的纤维缠绕在卷轴上,使得实现最大纤维密度排列。例如,卷轴可以具有展现纤维的六方密堆积布置的横截面。 在另一个实施例中,多个纤维可以在涂覆之前生长或形成为特定布置。 一旦涂覆和布置,纤维质量被压缩和约束,使得可以以各种厚度例如约50微米至5000微米切割形状。 每个片材被烧结以结合金属并除去纤维,留下可以以通常的方式对电容器进行氧化和形成的多孔阳极。
    • 9. 发明授权
    • Laser marking of raw aluminum anode foil to induce uniform patterning etching
    • 激光标记原铝阳极箔以诱导均匀图案蚀刻
    • US07452473B1
    • 2008-11-18
    • US10940793
    • 2004-09-13
    • R. Jason HemphillXiaofei JiangTearl StockerGary D. ThompsonThomas F. StrangeBruce Ribble
    • R. Jason HemphillXiaofei JiangTearl StockerGary D. ThompsonThomas F. StrangeBruce Ribble
    • H01G4/00C23F1/00C23F3/00
    • C23F4/00C23F1/02C25F3/02C25F3/04H01G9/045H01G9/055
    • A method of producing a highly etched electrode for a capacitor from a foil is disclosed. The method comprises first applying a laser beam to the foil to form a plurality of marks on the foil surface and then etching the foil. Preferably, the laser marks facilitate etching of foil surface in areas near the marks and retard etching of foil surface inside the marks. After etching, the foil is further processed in a combination of optional steps such as forming and finishing steps. The laser marking of the foil allows for positional control of tunnel initiation, such that tunnel initiation density and the location of tunnel initiation is controlled. By controlling the position of tunnel initiation, foils are etched more uniformly and have optimum tunnel distributions, thus allows for the production of highly etched foils that maintain high strength and have high capacitance. The present invention further includes an electrolytic capacitor comprising etched aluminum anode foils, which have been prepared using the methods of the present invention.
    • 公开了一种从箔制造用于电容器的高蚀刻电极的方法。 该方法包括首先将激光束施加到箔上以在箔表面上形成多个标记,然后蚀刻箔。 优选地,激光标记便于在标记附近的区域中蚀刻箔表面并延迟对标记内的箔表面的蚀刻。 在蚀刻之后,箔可以以可选步骤的组合进一步加工,例如成型和精加工步骤。 箔的激光标记允许隧道起始的位置控制,使得隧道起始密度和隧道起始的位置被控制。 通过控制隧道起始的位置,箔被更均匀地蚀刻并且具有最佳的隧道分布,从而允许生产保持高强度并具有高电容的高度蚀刻的箔。 本发明还包括使用本发明的方法制备的包含蚀刻的铝阳极箔的电解电容器。
    • 10. 发明授权
    • Electrolytic capacitors with alternate cathode materials for use in pulse discharge applications
    • 具有用于脉冲放电应用的交替阴极材料的电解电容器
    • US07715174B1
    • 2010-05-11
    • US10848028
    • 2004-05-17
    • W. Joseph BeauvaisMelissa A. MooreJames L. StevensThomas F. StrangeChristopher R. Feger
    • W. Joseph BeauvaisMelissa A. MooreJames L. StevensThomas F. StrangeChristopher R. Feger
    • H01G9/04
    • H01G9/06A61N1/375H01G9/035H01G9/048
    • A metal or metal alloy foil substrate, preferably an unetched and uncoated metal or metal alloy foil substrate, such as but not limited to titanium, palladium, lead, nickel, tin, platinum, silver, gold, zirconium, molybdenum, tantalum, palladium-silver alloy, platinum-rhodium alloy, platinum-ruthenium alloy, and/or platinum-iridium alloy, is used as the cathode in an electrolytic capacitor, preferably an aluminum electrolytic capacitor having a multiple anode flat, stacked capacitor configuration. Despite a 120 Hz bridge capacitance measurement lower than with etched aluminum, the use of an unetched and uncoated metal or metal alloy foil cathode according to the present invention will inhibit gas production and not cause the capacitor to swell. Furthermore, an electrolytic capacitor built with a 30 micron unetched and uncoated foil cathode according to the present invention can deliver a stored to discharge energy ratio sufficient for use in pulse discharge applications, such as an in an ICD.
    • 金属或金属合金箔基材,优选未蚀刻和未涂覆的金属或金属合金箔基材,例如但不限于钛,钯,铅,镍,锡,铂,银,金,锆,钼,钽,钯 - 银合金,铂 - 铑合金,铂 - 钌合金和/或铂 - 铱合金用作电解电容器中的阴极,优选为具有多阳极扁平堆叠电容器构造的铝电解电容器。 尽管与蚀刻铝相比,120Hz桥电容测量值低,但根据本发明使用未蚀刻和未涂覆的金属或金属合金箔阴极将抑制气体产生并且不会使电容器膨胀。 此外,根据本发明的由30微米未蚀刻和未涂覆的箔阴极构建的电解电容器可以提供足以用于诸如ICD中的脉冲放电应用的存储到放电能量比。