Patent · US Expired

Solderable top metal for SiC device

US7394158B2 · kind B2 · utility

13Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 2005
Grant dateJul 1, 2008
Priority date
Expiry dateFeb 28, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/23
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A silicon carbide device includes at least one power electrode on a surface thereof, a solderable contract formed on the power electrode, and at least one passivation layer that surrounds the solderable contact but is spaced from the solderable contract, thereby forming a gap.

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