Patent · US Expired

Stacked die packaging and fabrication method

US7064430B2 · kind B2 · utility

7Cited by
5References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 2004
Grant dateJun 20, 2006
Priority date
Expiry dateSep 10, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/30107
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor package includes a substrate. A crenellated spacer is attached to the substrate. At least one top die is attached to the crenellated spacer. The at least one top die is wire bonded to the substrate, and an encapsulant is formed over the crenellated spacer and the at least one top die.

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