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:
Jun. 12, 1990
Filed:
Oct. 13, 1988
Applicant:
Inventors:
Noriko Kurihara, Kawasaki, JP;
Keiko Ikoma, Yokohama, JP;
Keiji Hirabayashi, Tokyo, JP;
Yasushi Taniguchi, Kawasaki, JP;
Susumu Ito, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C09D / ;
U.S. Cl.
CPC ...
1062861 ; 423445 ; 423446 ; 428408 ;
Abstract
There is provided a novel single-bond carbonic film, matrix of which comprises carbon atoms and which is characterized by having a peak A at 1340.+-.20 cm.sup.-1 and a peak B at 1580.+-.10 cm.sup.-1 in Raman spectrum; a value of 9.7 or more for the ratio of I.sub.A /I.sub.B between the intensity of said peak A(I.sub.A) and the intensity of said peak B(I.sub.B): and a value in the range of from 30 cm.sup.-1 to 110 cm.sup.-1 for the half band width of said peak A.