Invention Grant
US07667949B2 Capacitor having improved surface breakdown voltage performance and method for marking same 失效
具有改善的表面击穿电压性能的电容器及其标记方法

  • Patent Title: Capacitor having improved surface breakdown voltage performance and method for marking same
  • Patent Title (中): 具有改善的表面击穿电压性能的电容器及其标记方法
  • Application No.: US11500239
    Application Date: 2006-08-05
  • Publication No.: US07667949B2
    Publication Date: 2010-02-23
  • Inventor: John Maxwell
  • Applicant: John Maxwell
  • Main IPC: H01G4/228
  • IPC: H01G4/228
Capacitor having improved surface breakdown voltage performance and method for marking same
Abstract:
A capacitor having improved surface breakdown voltage performance and a method for applying laser marking to capacitors which does not reduce capacitor surface breakdown voltage, can be applied using existing laser marking technologies and apparatus, and which results in a mark that is legible and clear, is disclosed. In a first exemplary embodiment a capacitor includes a laser mark which is located near one of the capacitor terminals. The exact location is not critical as long as the mark does not make physical contact with the terminal. Conventional laser marking technologies and apparatus may be used to fix the mark in the new location. In a second embodiment the laser mark is oriented so that a flat portion of the mark is is oriented closest to the adjacent terminal.
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