Patent · US Expired

Method of assembling a package with an exposed die backside with and without a heatsink for flip-chip

US6750082B2 · kind B2 · utility

33Cited by
9References
58Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 13, 2002
Grant dateJun 15, 2004
Priority date
Expiry dateSep 13, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/10253
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method of assembling a package having an exposed die comprising the following steps. A die attached to a substrate by connectors is provided. The die having a backside. Encapsulate is formed around the die and over the backside of the die to form an encapsulated package. The encapsulate overlying the backside of the die and a portion of the backside of the die are removed using a backside exposure process to complete the assembled package having the die exposed.

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