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. 04, 2012
Filed:
Feb. 25, 2005
Eiji Iwamura, Hyogo, JP;
Eiji Iwamura, Hyogo, JP;
Japan Science and Technology Agency, Saitama, JP;
Abstract
The present invention provides a novel carbon-based material in which carbons different in property are combined in such a manner as to be applicable to a device. The carbon-based thin film provides a carbon-based thin filmincluding first phasesthat contain amorphous carbon and extend in a film thickness direction, and a second phasethat contains a graphite structure and intervenes between the first phases. In the thin film, at least one selected from the group consisting of the following a) to e) is satisfied: a) the second phase contains more graphite structures per unit volume than the first phases; b) a density of the second phase is larger than that of the first phases; c) an electric resistivity of the second phase is lower than that of the first phases; d) an elastic modulus of the second phase is higher than that of the first phases; and e) in the second phase, a basal plane of the graphite structure is oriented along the film thickness direction.