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:
Nov. 24, 1998
Filed:
Aug. 31, 1995
Applicant:
Inventors:
Assignee:
National Science Council, Taipei, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419 13 ; 419 35 ; 419 38 ; 419 54 ; 419 57 ;
Abstract
This patent application discloses a new process for preparing the sintered article of aluminum nitride at low temperature. It comprises coating aluminum metal film on aluminum nitride powder, then directly molding or homogeneously cold pressing, followed by sintering at 1650.about.175O.degree. C., and finally forming dense aluminum nitride article.