Patent · US Expired

Multi-chips stacked package

US6856027B2 · kind B2 · utility

4Cited by
3References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 9, 2004
Grant dateFeb 15, 2005
Priority date
Expiry dateApr 9, 2024

Classification

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

Abstract

A multi-chips stacked package at least comprises a substrate, an upper chip, a lower chip, a plurality of electrically conductive wires and a plurality of conductive bumps. The upper chip is flip-chip bonded to the upper surface of the substrate; and the lower chip is accommodated in the opening and wire-bonded to the upper chip. Furthermore, the lower chip can be wire-bonded to the substrate via a plurality of another electrically conductive wires, which directly connect the lower chip and the substrate.

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