Patent · US Expired

System and a method for fluid filling wafer level packages

US6858466B1 · kind B1 · utility

6Cited by
6References
61Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 2003
Grant dateFeb 22, 2005
Priority date
Expiry dateNov 3, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/6838
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A fluid filling system includes a vacuum filling chamber configured to receive a wafer, a conduit coupled to the vacuum filling chamber, and a vacuum pump fluidly coupled to the vacuum filling chamber through the conduit, the vacuum pump being configured to create a vacuum within the wafer level packaging cavity, wherein the vacuum filling chamber includes a body having a vacuum orifice, a first substrate sealingly coupled to the body to seal a first end of the vacuum orifice, and a second substrate sealingly coupled to the body to seal a second end of the vacuum orifice.

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