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    • 2. 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。
    • 3. 发明授权
    • High surface area cathode for electrolytic capacitors using conductive polymer
    • 使用导电聚合物的电解电容器的高表面积阴极
    • US07169284B1
    • 2007-01-30
    • US10668899
    • 2003-09-22
    • Naixiong JiangTimothy MarshallMelissa MooreChristopher R. FegerThomas F. Strange
    • Naixiong JiangTimothy MarshallMelissa MooreChristopher R. FegerThomas F. Strange
    • C25D9/02C25D5/44
    • C09D5/24H01G11/48Y02E60/13
    • The present invention is directed to a conductive polyethylenedioxythiophene (PEDOT) polymer coated electrode adapted for use as a cathode electrode of an electrolytic capacitor and a method of manufacturing the same. According to the present invention, a metal foil substrate is placed in an aqueous solution of a doped 3,4-ethylenedioxythiophene (EDOT) monomer and a co-solvent, to dissolve the EDOT monomer, and a current is applied until the desired thickness of the polymer coating is electrochemically deposited. Additionally, an organic acid is added to the aqueous solution to act as an oxidizer. In order to improve the uniformity and adherence of the coating a surfactant may also be added. In a preferred embodiment, the EDOT monomer and cosolvent are first mixed, and then added to a water solution of oxidizer and dopant. The polymer film is deposited electrochemically onto the substrate by applying a DC current between 0.05 mA/cm2 and 5.0 mA/cm2 for 1 to 60 minutes, more preferably between about 0.13 mA/cm2 to about 0.26 mA/cm2 for between 9 and 18 minutes, such that a conductive polyethylenedioxythiophene (PEDOT) coating is formed on the electrode surface. According to the present invention, the increased surface area of the coated cathode results in lower gas generation and, therefore, reduced capacitor swelling, reduced oxide buildup on the cathode and prevention of electrolysis. The present invention results in electrodes with a minimum capacitance of 1 mF/cm2. The present invention also makes it possible to use thinner electrodes than conventional aluminum electrodes, thereby reducing the physical dimensions of the capacitor.
    • 本发明涉及适合用作电解电容器的阴极的导电聚亚乙基二氧噻吩(PEDOT)聚合物涂覆电极及其制造方法。 根据本发明,将金属箔基材置于掺杂的3,4-亚乙基二氧噻吩(EDOT)单体和助溶剂的水溶液中以溶解EDOT单体,并施加电流至所需厚度的 电化学沉积聚合物涂层。 另外,向水溶液中加入有机酸作为氧化剂。 为了提高涂层的均匀性和粘附性,还可以加入表面活性剂。 在优选的实施方案中,首先混合EDOT单体和共溶剂,然后加入到氧化剂和掺杂剂的水溶液中。 将聚合物膜通过在0.05mA / cm 2至5.0mA / cm 2之间施加DC电流1至60分钟,更优选在约 0.13mA / cm 2至约0.26mA / cm 2,持续9至18分钟,使得在电极表面上形成导电聚亚乙基二氧噻吩(PEDOT)涂层。 根据本发明,涂覆阴极的增加的表面积导致较低的气体产生,并因此降低电容器的膨胀,减少阴极上的氧化物积聚和防止电解。 本发明产生具有1mF / cm 2的最小电容的电极。 本发明还可以使用比常规铝电极更薄的电极,从而减小电容器的物理尺寸。
    • 6. 发明授权
    • Electrical circuit interrupter for dry metallized film capacitors
    • 用于干式金属化薄膜电容器的电路断路器
    • US4618910A
    • 1986-10-21
    • US664659
    • 1984-10-25
    • Thomas F. StrangeJohn W. Carino
    • Thomas F. StrangeJohn W. Carino
    • H01G2/14H01G1/11
    • H01G2/14Y10T29/435
    • An electrical dry metallized film capacitor includes a capacitor roll section, formed from a metallized film having connecting leads attached to the top and bottom thereof. The capacitor roll section is then coated with a non-stick coating and then inserted into a closed-end container, the connecting lead attached to the bottom of the capacitor roll section being dressed along the side thereof to the open end of the container. Potting compound is then inserted into the container up to the top of the capacitor roll section. Upon electrical failure of the capacitor, the non-stick coating allows gases, formed in the capacitor roll section, to axially shift the capacitor roll section thereby breaking the connection to the bottom connecting lead which is securely held by the potting compound.
    • 电干式金属化薄膜电容器包括电容器辊部,其由具有连接到其顶部和底部的连接引线的金属化膜形成。 然后将电容器辊部分涂覆有不粘涂层,然后插入封闭端的容器中,连接到电容器辊部分的底部的连接引线沿其侧面被修整到容器的开口端。 然后将封装化合物插入容器中直到电容器辊部分的顶部。 当电容器发生电气故障时,不粘涂层允许形成在电容器辊部分中的气体轴向地移动电容器辊部分,从而断开与由灌封化合物牢固地保持的底部连接引线的连接。
    • 8. 发明授权
    • Electrochemical drilling system and process for improving electrical porosity of etched anode foil
    • 电化学钻井系统和改进蚀刻阳极箔电气孔隙的方法
    • US08535507B1
    • 2013-09-17
    • US11972792
    • 2008-01-11
    • Ralph Jason HemphillThomas F. Strange
    • Ralph Jason HemphillThomas F. Strange
    • B23H3/00B23H7/00C25F3/00C25D5/00C25D11/04H01G9/00B31D3/00
    • C25F7/02C25F3/02H01G9/0032H01G9/055
    • A process for creating porous anode foil for use in an electrolytic capacitor of an implantable cardioverter defibrillator is provided. The process includes electrochemical drilling a plurality of etched metal foils in sequence one after the other in a bath containing electrochemical drilling (ECD) solution initially having a pH of less than 5. Alternatively, an etched foil sheet may be passed through the bath in a substantially continuous manner such that a portion of said etched foil sheet is in contact with the ECD solution is electrochemically drilled to generate pores. Electrochemical drilling is achieved when a current is passed to the foil or portion of the foil sheet in solution. ECD replenishment solution having a pH of less than about 5 is added from a feed reservoir to the bath at such a rate so as to maintain a pH in the ECD solution in the bath of less than about 5, and ECD solution in the bath is removed to a waste reservoir at the substantially the same rate as the addition of the ECD replenishment solution to the bath.
    • 提供一种用于制造可植入式心律转复除颤器的电解电容器的多孔阳极箔的方法。 该方法包括在最初具有小于5的pH的电化学钻孔(ECD)溶液的浴中依次依次电化学钻孔多个蚀刻的金属箔。或者,蚀刻的箔片可以通过浴中 基本上连续的方式使得所述蚀刻的箔片的一部分与ECD溶液接触,进行电化学钻孔以产生孔。 当电流通过溶液中的箔片或箔片的一部分时,实现电化学钻孔。 将pH小于约5的ECD补充溶液以一定的速率从进料储存器加入到浴中,以便将浴中的ECD溶液中的pH保持在小于约5,浴中的ECD溶液为 以与向浴中添加ECD补充溶液基本相同的速率移动到废物储存器。
    • 9. 发明授权
    • Method for reforming a capacitor in an implantable medical device
    • 用于重建可植入医疗装置中的电容器的方法
    • US07570995B1
    • 2009-08-04
    • US10966722
    • 2004-10-14
    • Mark KrollThomas F. StrangeGary D. Thompson
    • Mark KrollThomas F. StrangeGary D. Thompson
    • A61N1/00
    • A61N1/3975A61N1/3782A61N1/3981
    • The present invention provides a method for reforming a capacitor of an implantable medical device, such as an implantable cardioverter defibrillator, wherein the capacitor has a nominal voltage. The method of reforming the capacitor comprises charging the capacitor to a first voltage that is above the nominal voltage of the capacitor, partially discharging the capacitor through system leakage, charging the capacitor to a second voltage that is above the nominal voltage, and discharging the capacitor through system leakage until the charge on the capacitor dissipates. The present invention also provides an implantable medical device having a capacitor reforming circuit for reforming the capacitor. Capacitors reformed according to the present invention have reduced charge time deformation compared to capacitors conventionally reformed at the nominal voltage.
    • 本发明提供了一种用于重建可植入医疗装置的电容器的方法,例如可植入式心律转复除颤器,其中电容器具有标称电压。 重整电容器的方法包括将电容器充电到高于电容器额定电压的第一电压,通过系统泄漏部分地放电电容器,将电容器充电到高于额定电压的第二电压,以及对电容器进行放电 通过系统泄漏直到电容上的电荷消散。 本发明还提供一种具有用于重整电容器的电容重整电路的可植入医疗装置。 根据本发明重整的电容器与通常在额定电压下重新形成的电容器相比,具有减小的充电时间变形。
    • 10. 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。