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    • 66. 发明授权
    • EMI filter capacitors designed for direct body fluid exposure
    • EMI滤波电容设计用于直接体液曝光
    • US06985347B2
    • 2006-01-10
    • US10778954
    • 2004-02-12
    • Robert A. StevensonRichard L. BrendelJohn RobertsChristine Frysz
    • Robert A. StevensonRichard L. BrendelJohn RobertsChristine Frysz
    • H01G4/35H01G4/236H01G4/228
    • A61N1/3754A61N1/3752H01G4/35
    • An EMI filter capacitor assembly utilizes biocompatible and non-migratable materials to adapt electronic components for direct body fluid exposure. The assembly includes a capacitor having first and second sets of electrode plates which are constructed of non-migratable biocompatible material. A conductive hermetic terminal of non-migratable and biocompatible material adjacent to the capacitor is conductively coupled to the second set of electrode plates. One or more conductive terminal pins having at least an outer surface of non-migratable and biocompatible material are conductively coupled to the first set of electrode plates, while extending through the hermetic terminal in non-conductive relation. The terminal pins may be in direct contact with the first set of electrode plates, or in contact with a termination surface of conductive connection material. The termination surface is also constructed of non-migratable and biocompatible materials. Layers of glass may be disposed over surfaces of the assembly, including the capacitor.
    • EMI滤波电容器组件使用生物相容性和不可迁移材料来适应用于直接体液暴露的电子部件。 组件包括具有由不可迁移的生物相容性材料构成的第一和第二组电极板的电容器。 与电容器相邻的不可迁移和生物相容材料的导电密封端与第二组电极板导电耦合。 具有至少一个不可迁移和生物相容材料的外表面的一个或多个导电端子销导电耦合到第一组电极板,同时以非导电关系延伸穿过密封端子。 端子引脚可以与第一组电极板直接接触,或者与导电连接材料的终端表面接触。 端接表面也由不可迁移和生物相容的材料构成。 玻璃层可以布置在组件的表面上,包括电容器。
    • 67. 发明授权
    • EMI filtered connectors using internally grounded feedthrough capacitors
    • 使用内部接地的馈通电容器的EMI滤波连接器
    • US06882248B2
    • 2005-04-19
    • US10354818
    • 2003-01-29
    • Robert A. StevensonRichard L. Brendel
    • Robert A. StevensonRichard L. Brendel
    • A61N1/375H01G4/35H03H1/00H03H7/01
    • A61N1/3754H01G4/35H01R13/7195H01R24/28H01R2107/00
    • An EMI filtered connector includes a plurality of conductive terminal pins, a grounded conductive connector housing through which the terminal pins pass in non-conductive relation, and an array of feedthrough filter capacitors. Each of the feedthrough filtered capacitors has a distinct first set of electrode plates, a non-distinct second set of electrode plates, and a first passageway through which a respective terminal pin extends in conductive relation with the first set of electrode plates. At least one ground lead is conductively coupled to the conductive connector housing and extends into a second passageway through the array of feedthrough filter capacitors in conductive relation with the second set of electrode plates. An insulator is disposed in or adjacent to the connector for mounting the conductive terminal pins for passage through the conductive connector with the conductive terminal pins and the connector in non-conductive relation. The outer peripheral surface of the array of feedthrough filter capacitors is non-conductive.
    • EMI滤波连接器包括多个导电端子引脚,接地导电连接器壳体,端子引脚通过非导电关系传递,以及馈通滤波电容器阵列。 馈通滤波电容器中的每一个具有不同的第一组电极板,不同的第二组电极板和第一通道,相应的端子销通过该第一通道与第一组电极板以导电关系延伸。 至少一个接地引线导电地耦合到导电连接器壳体并且延伸到通过与第二组电极板的导电关系的馈通滤波电容器阵列的第二通道中。 绝缘体设置在连接器中或与连接器相邻,用于安装导电端子引脚,用于通过导电连接器,导电端子引脚和连接器处于非导电关系。 馈通滤波电容器阵列的外周表面是不导电的。
    • 68. 发明授权
    • Chip capacitor electromagnetic interference filter
    • 贴片电容电磁干扰滤波器
    • US5959829A
    • 1999-09-28
    • US27115
    • 1998-02-18
    • Robert A. StevensonDonald K. HaskellRichard L. BrendelJason WoodsMike Louder
    • Robert A. StevensonDonald K. HaskellRichard L. BrendelJason WoodsMike Louder
    • A61N1/375H03H1/00H01G4/35
    • H03H1/0007A61N1/3754A61N1/3718
    • An electromagnetic interference (EMI) filter capacitor assembly is provided for shielding and decoupling a conductive terminal pin or lead of the type used, for example, in an implantable medical device against passage of external interference signals. The EMI filter is constructed of relatively inexpensive ceramic chip capacitors which replace relatively expensive feedthrough capacitors as found in the prior art. The chip capacitors are mounted directly onto a hermetic feedthrough terminal in groups of two or more which vary in physical size, dielectric material and capacitance value so that they self-resonate at different frequencies. This "staggering" of resonant frequencies and direct installation at the hermetic terminal provides the EMI filter with sufficient broadband frequency attenuation. In one preferred form, multiple chip capacitor groupings are mounted onto a common base structure, with each capacitor grouping associated with a respective terminal pin. In another preferred form, a non-conductive substrate is provided with metalized circuit traces to better accommodate the mounting of the chip capacitors. Additionally, novel chip capacitor geometry/termination-metallization is provided which significantly reduces the internal inductance of the capacitor to improve its high frequency performance as an EMI filter.
    • 提供电磁干扰(EMI)滤波电容器组件,用于屏蔽和解耦用于例如在可植入医疗装置中的类型的导电端子引脚或引线,以抵抗外部干扰信号的通过。 EMI滤波器由相对廉价的陶瓷芯片电容器构成,其代替现有技术中发现的相对昂贵的馈通电容器。 芯片电容器直接安装在两个或更多个组合的密封馈通端子上,其在物理尺寸,电介质材料和电容值上变化,使得它们在不同频率下自谐振。 谐振频率的“惊人”和密封端的直接安装为EMI滤波器提供了足够的宽带频率衰减。 在一个优选形式中,多个片式电容器组被安装在公共基座结构上,每个电容器分组与相应的端子引脚相关联。 在另一优选形式中,非导电衬底设置有金属化电路迹线,以更好地适应片式电容器的安装。 另外,提供了新颖的芯片电容器几何/端接金属化,这显着降低了电容器的内部电感,以提高其作为EMI滤波器的高频性能。
    • 69. 发明授权
    • Internally grounded feedthrough filter capacitor
    • 内部接地馈通滤波电容
    • US5905627A
    • 1999-05-18
    • US926238
    • 1997-09-10
    • Richard L. BrendelRobert A. Stevenson
    • Richard L. BrendelRobert A. Stevenson
    • A61N1/375H01G4/35
    • H01G4/35A61N1/3754
    • An internally grounded ceramic feedthrough filter capacitor assembly provides for the shielding and decoupling of a conductive terminal pin or lead of the type used, for example, in an implantable medical device such as a cardiac pacemaker or cardioverter defibrillator against passage of external interference signals, such as those caused by digital cellular phones. The assembly includes a terminal pin subassembly having at least one terminal pin supported within a conductive ferrule by a hermetically sealed insulator structure. The ferrule is adapted for mounting onto a conductive substrate, such as a pacemaker housing, by welding or brazing to support the terminal pin subassembly for feedthrough passage to the housing interior. A ceramic feedthrough capacitor is mounted at an inboard side, with the capacitor electrode plate sets coupled respectively to a grounded lead and to the terminal pins(s) by conductive adhesive, soldering, brazing or the like. In preferred forms of the invention, multiple feedthrough filter capacitors are provided in a substantially coplanar array within a common base structure, with each capacitor in association with a respective terminal pin.
    • 内部接地的陶瓷馈通滤波电容器组件提供用于例如用于诸如心脏起搏器或心律转复除颤器的可植入医疗装置的导电端子销或导线的屏蔽和去耦,以防止外部干扰信号的通过,例如 正如数字手机造成的那样。 组件包括端子销子组件,其具有通过密封绝缘体结构支撑在导电套管内的至少一个端子销。 套圈适于通过焊接或钎焊将其安装到诸如起搏器壳体的导电基底上,以支撑端子销子组件以用于穿过通道到壳体内部。 陶瓷馈通电容器安装在内侧,电容器电极板组通过导电粘合剂,焊接,钎焊等分别耦合到接地引线和端子引脚。 在本发明的优选形式中,多个馈通滤波电容器设置在公共基极结构内的基本上共面的阵列中,每个电容器与相应的端子引脚相关联。
    • 70. 发明授权
    • Feedthrough capacitor filter assemblies with laminar flow delaminations for helium leak detection
    • 具有氦气泄漏检测的层流分层的穿通电容器滤波器组件
    • US07327553B2
    • 2008-02-05
    • US11161198
    • 2005-07-26
    • Richard L. Brendel
    • Richard L. Brendel
    • H01G4/35
    • H01G4/35A61N1/3754
    • A feedthrough filter capacitor assembly includes a capacitor having first and second sets of conductive electrode plates embedded within a dielectric body and mounted to the hermetic terminal of an implantable medical device. A laminar delamination gap is provided between the capacitor sealing materials and the hermetic terminal assembly to facilitate helium leak detection. At least one feedthrough terminal pin extends through the capacitor in conductive relation with the first set of electrode plates, and an outer ferrule is mounted about the capacitor in conductive relation with the second set of electrode plates. The mounting washer is spaced against the hermetic seal and is adhesively connected to the feedthrough capacitor. The mounting washer forms a laminar flow delamination through which helium molecules can flow during a helium leak detection test. Provision is made for a pre-connection to the gold braze so that the capacitor inside diameter termination is not electrically isolated from the lead wire.
    • 馈通滤波电容器组件包括电容器,该电容器具有嵌入电介质体内的第一组导电电极板和第二组导电电极板,并安装在可植入医疗装置的密封端子上。 在电容器密封材料和密封端子组件之间提供层状分层间隙,以便于氦泄漏检测。 至少一个馈通端子引脚与第一组电极板以导电关系延伸穿过电容器,并且外部套圈围绕电容器安装在与第二组电极板的导电关系中。 安装垫圈与气密密封件隔开,并且与馈通电容器粘合地连接。 安装垫圈形成层流分层,在氦气泄漏检测测试期间,氦气分子可以通过其流动。 提供了预先连接到金色铜焊,使得电容器内径终端不与引线电隔离。