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. 07, 2011
Filed:
Nov. 28, 2006
Masaki Moronuki, Kashiwazaki, JP;
Takashi Matsui, Kumagaya, JP;
Yoshiharu Utsumi, Kyoto, JP;
Hisanori Ohara, Maebashi, JP;
Masaki Moronuki, Kashiwazaki, JP;
Takashi Matsui, Kumagaya, JP;
Yoshiharu Utsumi, Kyoto, JP;
Hisanori Ohara, Maebashi, JP;
Kabushiki Kaisha Riken, Tokyo, JP;
Nippon ITF, Inc., Kyoto, JP;
Abstract
An amorphous hard carbon film comprising a first amorphous carbon layer substantially consists only of carbon formed on a substrate surface and a second amorphous carbon layer substantially consists only of carbon formed on the surface of the first amorphous carbon layer, wherein the transmission electron microscope image of the first amorphous carbon layer is brighter than that of the second amorphous carbon layer when the cross section is observed.