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. 03, 1991
Filed:
Mar. 20, 1990
Applicant:
Inventors:
Masanori Yoshikawa, Yokohama, JP;
Haruo Tateno, Kiyose, JP;
Hiroshi Obana, Tokyo, JP;
Tsutomu Itoh, Musashino, JP;
Hiroshi Saitoh, Funabashi, JP;
Masayuki Kitoh, Tokyo, JP;
Assignee:
Onoda Cement Company, Ltd., Onoda, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
31511121 ; 31511191 ; 31323131 ; 31323141 ; 423446 ;
Abstract
An arc is formed between a pair of discharge electrodes, a plasma gas separated from a raw material gas flowing substantially in parallel to the arc to form a plasma flame, the raw material gas flowing to the upstream within the plasma flame, and a diamond being deposited on the substrate downstream within the flame.