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    • 1. 发明授权
    • Configuring a capacitor with enhanced pulse reliability
    • 配置具有增强的脉冲可靠性的电容器
    • US07008838B1
    • 2006-03-07
    • US10834628
    • 2004-04-28
    • Terry HoskingKenneth Kennedy
    • Terry HoskingKenneth Kennedy
    • H01L21/8242
    • H01G4/012
    • A modified capacitor for replacing an unmodified capacitor includes two unmodified metallized strips, each supported by an unmodified dielectric film arrangement that is made up of two dielectric films. Each unmodified metallized strip has an elongated length and includes an unmodified active region and a lengthwise unmodified, heavy-edge region. The two dielectric films are wound together to form a roll having opposing ends such that the lengthwise unmodified, heavy-edge region of each unmodified metallized strip cooperate in forming the opposing ends for external electrical connection thereto. The unmodified capacitor exhibits a given value of pulse current tolerance. The modified capacitor includes first and second modified metallized strips, each including a modified active region electrically cooperating with a modified, heavy-edge region, to produce a modified value of pulse current tolerance in the modified capacitor that is greater than the given value of pulse current tolerance in an unmodified capacitor.
    • 用于替换未修改的电容器的改进的电容器包括两个未修改的金属化带,每个由两个介电膜构成的未修改的电介质膜装置支撑。 每个未改性的金属化带具有细长的长度并且包括未改性的有源区和纵向未改性的重边缘区。 将两个电介质膜缠绕在一起以形成具有相对端部的辊,使得每个未修饰的金属化带的纵向未修改的重边缘区域形成相对的端部以与外部电连接。 未修改的电容表现出给定的脉冲电流公差值。 改进的电容器包括第一和第二改进的金属化带,每个包括经修改的重边缘区域电气配合的修改的有源区,以在修改的电容器中产生大于脉冲的给定值的脉冲电流公差的修改值 未修改电容器的电流容差。
    • 3. 发明申请
    • PATTERNED METALLIZED FILM WITH ENHANCED UNDERLAYER FOR METALLIZED CAPACITOR APPLICATIONS
    • 用于金属化电容器应用的具有增强底层的图案化金属膜
    • US20120287554A1
    • 2012-11-15
    • US13397105
    • 2012-02-15
    • Terry Hosking
    • Terry Hosking
    • H01G4/32
    • H01G4/32H01G4/008H01G4/015H01G4/14
    • A technique is described for increasing the capacitance of a metallized polymer film capacitor where the capacitor electrodes have been fabricated with so-called patterned film. The pattern as typically embodied by prior art allows the capacitor to better survive dielectric failures, or exhibit improved tolerance to extreme pulse current. The pattern is created by areas on the capacitor electrodes which have no metal, so there will be a capacitance reduction penalty for using said patterned electrodes. Each section of the pattern is connected by a local fuse, which is disconnected from the rest of the capacitor when the current flowing through a defect vaporizes the surrounding metal. An extremely light metallization underlayer is described which allows the better survival characteristic provided by pattern film should a dielectric failure occur, yet mitigates the capacitance loss previously seen for capacitors made with conventional patterned metallized electrodes on the capacitor film.
    • 描述了一种用于增加金属化聚合物膜电容器的电容的技术,其中电容器电极已经用所谓的图案化膜制造。 通常由现有技术体现的图案允许电容器更好地承受介电故障,或显示出对极端脉冲电流的改善的容限。 该图案由电容器电极上没有金属的区域产生,因此对于使用所述图案化电极将产生电容减小损失。 图案的每个部分通过本地熔断器连接,当流过缺陷的电流使周围的金属蒸发时,该熔断器与电容器的其余部分断开。 描述了一种非常轻的金属化底层,其允许在发生介电故障时由图案膜提供的更好的存活特性,而减轻了先前在电容器膜上用传统图案化金属化电极制成的电容器所观察到的电容损耗。
    • 4. 发明申请
    • Annular Capacitor with power conversion components arranged and attached in manners uniquely allowed by the ring shaped form factor
    • 具有功率转换元件的环形电容器以环形形状因子唯一允许的方式排列和附接
    • US20100321859A1
    • 2010-12-23
    • US12807310
    • 2008-10-30
    • Terry Hosking
    • Terry Hosking
    • H01G4/32H05K7/00H05K7/20
    • H01G4/228H01G2/14H01G4/32H01G9/08
    • The formation of an assembled unit consisting of an annular capacitor [a wound, metallized dielectric capacitor in the shape of a closed path ring] with other power conversion components arranged and attached in manners uniquely allowed by the ring design will allow higher density converter designs [power/unit volume]. The resulting short connection paths between the capacitor element and the switching semiconductors also provide a very low inductance path that minimizes voltage spikes on the switching semiconductors as a result of turn-off di/dt. The capacitor serves as a short time current source and sink for the switching semiconductors. With the described configuration the RMS current seen by the capacitor can be made more volumetrically uniform enabling more uniform capacitor rise. The single capacitor configured as described also mitigates bus resonance problems often observed in prior art when multiple discrete capacitors are connected in parallel.
    • 组合单元的形成由环形电容器[具有封闭路径环形的绕制金属化介质电容器]和以环形设计唯一允许的方式布置和附接的其它功率转换部件将允许更高密度的转换器设计[ 功率/单位体积]。 电容器元件和开关半导体之间产生的短连接路径也提供了非常低的电感路径,其最小化由于截止di / dt导致的开关半导体上的电压尖峰。 电容器用作开关半导体的短时间电流源和吸收器。 通过上述配置,可以使电容器所看到的RMS电流更加体积均匀,使电容器上升更均匀。 如上所述配置的单个电容器还减轻了当多个分立电容器并联连接时在现有技术中经常观察到的总线谐振问题。