Patent · US Expired

Electronic device and its manufacturing method

US6756670B1 · kind B1 · utility

5Cited by
24References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 2000
Grant dateJun 29, 2004
Priority date
Expiry dateOct 30, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/181
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An electronic device comprising a substrate having a frame, a metal lead and an electronic parts in a bonding structure, and a molding of an organic resin formed on the substrate, wherein the surface of the organic resin is provided with a hardened water-resistant or carbonaceous film or wherein pores at the surface of the organic resin are filled within an inactive gas such as argon because of a plasma treatment of the resin surface with the inactive gas whereby impurities are prevented from entering into the organic resin through the pores.

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