Patent · US Expired

Semiconductor electronic device and method of manufacturing thereof

US7459387B2 · kind B2 · utility

2Cited by
8References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 2004
Grant dateDec 2, 2008
Priority date
Expiry dateOct 10, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/20755
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor electronic device includes a die of semiconductor material and a support. The die of semiconductor material includes an integrated electronic circuit and a plurality of contact pads associated with the electronic circuit and connected electrically to the support by wire leads. Each contact pad may include a lower layer of aluminum, copper, or alloys thereof, and an upper layer including at least one film of a metal and/or metallic alloy including nickel, palladium, or alloys thereof, and being deposited by an electroless chemical process.

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