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:
Mar. 04, 2003
Filed:
Sep. 29, 1999
Applicant:
Inventors:
Takashi Matsumoto, Kagawa, JP;
Masaaki Kawakami, Kagawa, JP;
Assignee:
Toyo Tanso Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B 4/187 ;
U.S. Cl.
CPC ...
C04B 4/187 ;
Abstract
A carbon/silicon composite material wherein a silicon carbide containing carbon layer which is formed by silicon and boron carbide being penetrated from a surface of a carbon substrate into the inside thereof to allow the silicon and carbon of the carbon substrate to react with each other so as to be converted into silicon carbide and in which the silicon carbide is dispersed generally uniformly along a depth direction is formed on the carbon substrate as a first layer, the silicon carbide containing carbon layer having a thickness of not less than 1 mm.