Patent · US Expired

Aluminum nitride substrate

US4761345A · kind A · utility

22Cited by
6References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 1987
Grant dateAug 2, 1988
Priority date
Expiry dateFeb 20, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12576
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

There is disclosed an aluminum nitride substrate which comprises a substrate composed of an aluminum nitride sintered product; an electroconductive metallized layer composed of titanium nitride and at least one selected from the group consisting of molybdenum, tungsten, tantalum, an element in group III of the periodic table, an element in group IVa of the same, a rare earth element, an actinide element and a compound containing these elements; and an electroconductive protective layer laminated in this order on the aluminum nitride sintered product.

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