Patent · US Expired

Semiconductor chip assembly with solder-attached ground plane

US7245023B1 · kind B1 · utility

25Cited by
33References
230Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 20, 2004
Grant dateJul 17, 2007
Priority date
Expiry dateMay 2, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/3025
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor chip assembly includes a semiconductor chip that includes a conductive pad, a conductive trace that includes a pillar and a routing line, a solder joint and a ground plane. The pillar extends into an opening in the ground plane, the solder joint contacts and electrically connects the pillar and the ground plane, and the ground plane is electrically connected to the pad.

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