Patent · US Expired

Chip electronic part

US5973390A · kind A · utility

9Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 1997
Grant dateOct 26, 1999
Priority date
Expiry dateSep 2, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S257/924
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention is a chip electronic part having: a ceramic member; a conductor pattern formed on the surface of the ceramic member; an insulating protective layer formed on the conductor pattern; an external electrode which is formed at least one end face of the ceramic member, electrically connected to the conductor pattern, and composed of an undercoating layer formed by dry plating and at least one plating layer formed by wet plating; and at least one groove formed near an end face of the insulating protective layer so as to limit the formation of the undercoating layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.