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:
Dec. 30, 2003
Filed:
Nov. 06, 1998
Applicant:
Inventors:
Shingo Kadomura, Kanagawa, JP;
Kei Takatsu, Tokyo, JP;
Shinsuke Hirano, Kanagawa, JP;
Nobuyuki Suzuki, Shizuoka, JP;
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 1/902 ; B22D 1/914 ;
U.S. Cl.
CPC ...
B22D 1/902 ; B22D 1/914 ;
Abstract
A method for producing an aluminum nitride/aluminum base composite material comprising the steps of; (A) charging aluminum nitride powder into a container provided in a molten metal pressure apparatus, (B) applying pressure to the aluminum nitride powder in the container, (C) pouring a molten aluminum base material into the container, and, (D) applying pressure to the molten aluminum base material in the container to fill the aluminum base material in space between the aluminum nitride powder particles.