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:
Feb. 24, 1998
Filed:
Jul. 14, 1995
Applicant:
Inventors:
Keiji Hirabayashi, Tokyo, JP;
Toshiaki Yoshikawa, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
117103 ; 117929 ; 423446 ; 427577 ;
Abstract
In a method for forming a diamond film by a high-frequency plasma CVD method, an inductive coupling discharge is used and the frequency of a high-frequency wave is set in the range of from 40 to 250 MHz, whereby a starting gas containing carbon is decomposed in a plasma state and a diamond film is formed on a substrate.