| US 7,607,414 B2 | ||
| Member for internal combustion engine and production method thereof | ||
| Seiji Kamada, Yokohama (Japan); Hiroshi Kumagai, Kanagawa (Japan); Midori Kondou, Kanagawa (Japan); Kenji Kikuchi, Yokohama (Japan); Takumaru Sagawa, Yokohama (Japan); Yutaka Mabuchi, Yokohama (Japan); and Takahiro Nakahigashi, Kyoto (Japan) | ||
| Assigned to Nissan Motor Co., Ltd., Yokohama-shi (Japan) | ||
| Filed on Sep. 13, 2005, as Appl. No. 11/224,300. | ||
| Claims priority of application No. 2004-266612 (JP), filed on Sep. 14, 2004; and application No. 2005-257422 (JP), filed on Sep. 06, 2005. | ||
| Prior Publication US 2006/0054127 A1, Mar. 16, 2006 | ||
| Int. Cl. C23C 16/27 (2006.01) | ||
| U.S. Cl. 123—193.1 [123/193.6; 123/657] | 17 Claims |
| 1. A member for an internal combustion engine, comprising:
a substrate; and
a carbon-based coating film formed on the substrate to cover at least a part of a region of the substrate to which region
fuel for the internal combustion engine is contactable, the carbon-based coating film containing fluorine and having a thickness
of 10 μm or less,
wherein the carbon-based coating film has a fluorine and carbon content of (fluorine/carbon) ≧0.25 in atomic number ratio.
|