The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 1995
Filed:
Nov. 18, 1993
Applicant:
Inventors:
Fumio Ueno, Yokohama, JP;
Mitsuo Kasori, Kawasaki, JP;
Akihiro Horiguchi, Fujisawa, JP;
Katsuyoshi Oh-Ishi, Kawasaki, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 98 ; 428209 ; 428698 ; 428697 ; 428696 ; 428901 ;
Abstract
Disclosed is an aluminum nitride sintered body which has a high thermal conductivity and a high strength and which can be manufactured through low-temperature, short-time sintering. This aluminum nitride sintered body has an average grain size of aluminum nitride grains of 2 .mu.m or less, a thermal conductivity of 80 W/m.K or more, and a relative density of 98% or more.