Patent · US Expired

Mold injection method for semiconductor device

US6521484B1 · kind B1 · utility

1Cited by
5References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 5, 1999
Grant dateFeb 18, 2003
Priority date
Expiry dateMay 5, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a mold injection method for semiconductor device by which the problem of residual metal is overcome. The inventive method comprises following steps: die attaching; wire bonding; attaching solder-resisting tape around the die; molding; removing the older-resisting tape; marking; ball placement: and singulation.

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