Patent · US Expired

Sintered aluminum nitride and semi-conductor device using the same

US4540673A · kind A · utility

41Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 1982
Grant dateSep 10, 1985
Priority date
Expiry dateApr 29, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12674
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Sintered aluminum nitride having a high thermal conductivity, which comprises at least 65% by weight of aluminum nitride, and at least one of beryllium, a beryllium compound, lithium and a lithium compound, and a semi-conductor device using the same.

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