Patent · US Expired

High density column grid array connections and method thereof

US6429388B1 · kind B1 · utility

25Cited by
23References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 2000
Grant dateAug 6, 2002
Priority date
Expiry dateMay 3, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention relates generally to a new semiconductor chip carrier connections, where the chip carrier and the second level assembly are made by a surface mount technology. More particularly, the invention encompasses surface mount technologies, such as, Ball Grid Array (BGA), Column Grid Array (CGA), to name a few, where the surface mount technology comprises essentially of a non-solder metallic connection, such as, a copper connection. The present invention is also related to Column Grid Array structures and process thereof.

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