Patent · US Expired

Semiconductor device with improved cooling efficiency and reduced electric resistance

US6605869B2 · kind B2 · utility

5Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 3, 2002
Grant dateAug 12, 2003
Priority date
Expiry dateApr 3, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/00014
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a semiconductor device comprising: a tape wiring substrate; a semiconductor element mounted one main surface of the tape wiring substrate; a solder ball or pump electrode provided on the other surface of the tape wiring substrate while electrically connected with a predetermined position of the main surface of the tape wiring substrate including the semiconductor element; and a hollow pipe-shaped substrate; wherein the tape wiring substrate is wound around the hollow pipe-shaped substrate with the main surface arranged toward the hollow pipe-shaped substrate.

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