Patent · US Expired

Stacked semiconductor device and method of producing the same

US6621169B2 · kind B2 · utility

64Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 2001
Grant dateSep 16, 2003
Priority date
Expiry dateAug 29, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/19107
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

In a stacked semiconductor device which has a plurality of semiconductor chips of desired sizes stacked as one package, a first semiconductor chip is mounted on a flexible printed wiring board provided with external connecting terminals. A printed circuit board is placed and mounted on the first semiconductor chip by flip-chip bonding. A second semiconductor chip is secured onto the printed circuit board. The second semiconductor chip is connected to the flexible printed wiring board by wire bonding. The first semiconductor chip is connected to the flexible printed wiring board by wire bonding via the printed circuit board.

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