Patent · US Expired

Method for production of contactless chip cards and for production of electrical units comprising chips with contact elements

US7402460B1 · kind B1 · utility

2Cited by
8References
50Claims
0Family size

Inventor

Key dates

Filing dateOct 6, 2000
Grant dateJul 22, 2008
Priority date
Expiry dateApr 19, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/15192
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Method of producing electrical units consisting of chips with contact elements, wherein the contact elements are suited for the direct connection with contact terminals of external electric components in an electrically conductive manner, wherein the connection of the contact elements with the chips is effected before the individual chips are removed from the grouping predefined by the wafer and consisting of rows and columns, and the contact elements are made of a metallized plastic foil or metallic foil to be applied onto the chips.

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